Stojanović, Dragica

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Antimicrobial resistance as a problem for the quality of Boar Semen

Stojanov, Igor; Milovanović, Aleksandar; Barna, Tomislav; Prodanov-Radulović, Jasna; Apić, Jelena; Stojanović, Dragica; Maksimović, Nevena

(Faculty of Veterinary Medicine, 2020)

TY  - JOUR
AU  - Stojanov, Igor
AU  - Milovanović, Aleksandar
AU  - Barna, Tomislav
AU  - Prodanov-Radulović, Jasna
AU  - Apić, Jelena
AU  - Stojanović, Dragica
AU  - Maksimović, Nevena
PY  - 2020
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/2385
AB  - The aim of the study was to determine whether the bacteria from the environment and from the mucous membrane of the boar prepuce have antimicrobial resistance and whether the result obtained is similar/same to the bacteria that can be found in native boar semen. The study addresses the problem of the presence of primarily resistant bacterial strains in the boar sperm, which, due to their reduced sensitivity, cannot be suppressed by antibiotics used in the semen dilution agent, as well as to emphasize the importance of microbiological monitoring of the boar mucous membranes and ambient surfaces before and during their exploitation. Such an examination could contribute to the interchangeable design of the dilution agent for the boar semen relative to the antibiotic content.Resistant strains of bacteria from prepuce swabs and swabs taken from the facility, as well as from native boar semen were isolated. The presence of these bacteria affected the quality of the semen. In conclusion, it should be pointed out that bacterial monitoring of the prepuce and surface of the facility can indicate possible problems related to the quality of semen, and that the design of the dilution agent for boar semen should be adjusted to the established resistance of isolated bacteria.
AB  - Cilj ispitivanja je da se utvrdi da li bakterije iz okoline i sa sluznici prepucijma poseduju antimikrobnu rezistenciju i da li je dobijeni nalaz sličan/isti sa bakterijama koje se mogu naći u nativnom semenu nerasta. Ispitivanje treba da odgovori na problem prisustva, pre svega rezistentnih bakterijskih sojeva u spermi nerasta koji zbog svoje smanjene osteljivosti ne mogu biti suprimirani antibioticima, koji se nalaze u razređivaču za seme, kao i da istakne značaj mikrobiološkog monitoringa sluznice nerasta i ambijentalnih površina pre i tokom njihove eksploatacije. Ovakvo ispitivanje bi moglo da doprinese izmenjivom dizajniranju razređivača za seme nerasta u odnosu na sadržaj antibiotika. Izolovani su rezistentni sojevi bakterija iz briseva prepucijuma i briseva uzetih iz objekta kao i iz nativnog semena nerasta. Prisustvo ovih bakterija uticalo na kvalitet semena. Kao zaključak treba istaći da bakterijski monitoring prepucijuma i površina u objektu može ukazati na moguće probleme vezane za kvalitet semena nerasta kao i da se dizajniranje razređivača za seme nerasta prilagodi utvrđenoj rezistenciji izolovanih bakterija.
PB  - Faculty of Veterinary Medicine
PB  - Sciendo
T2  - Acta Veterinaria-Beograd
T1  - Antimicrobial resistance as a problem for the quality of Boar Semen
T1  - Antimikrobna rezistencija kao problem kvaliteta semena nerasta
VL  - 70
IS  - 1
SP  - 136
EP  - 146
DO  - 10.2478/acve-2020-0010
ER  - 
@article{
author = "Stojanov, Igor and Milovanović, Aleksandar and Barna, Tomislav and Prodanov-Radulović, Jasna and Apić, Jelena and Stojanović, Dragica and Maksimović, Nevena",
year = "2020",
abstract = "The aim of the study was to determine whether the bacteria from the environment and from the mucous membrane of the boar prepuce have antimicrobial resistance and whether the result obtained is similar/same to the bacteria that can be found in native boar semen. The study addresses the problem of the presence of primarily resistant bacterial strains in the boar sperm, which, due to their reduced sensitivity, cannot be suppressed by antibiotics used in the semen dilution agent, as well as to emphasize the importance of microbiological monitoring of the boar mucous membranes and ambient surfaces before and during their exploitation. Such an examination could contribute to the interchangeable design of the dilution agent for the boar semen relative to the antibiotic content.Resistant strains of bacteria from prepuce swabs and swabs taken from the facility, as well as from native boar semen were isolated. The presence of these bacteria affected the quality of the semen. In conclusion, it should be pointed out that bacterial monitoring of the prepuce and surface of the facility can indicate possible problems related to the quality of semen, and that the design of the dilution agent for boar semen should be adjusted to the established resistance of isolated bacteria., Cilj ispitivanja je da se utvrdi da li bakterije iz okoline i sa sluznici prepucijma poseduju antimikrobnu rezistenciju i da li je dobijeni nalaz sličan/isti sa bakterijama koje se mogu naći u nativnom semenu nerasta. Ispitivanje treba da odgovori na problem prisustva, pre svega rezistentnih bakterijskih sojeva u spermi nerasta koji zbog svoje smanjene osteljivosti ne mogu biti suprimirani antibioticima, koji se nalaze u razređivaču za seme, kao i da istakne značaj mikrobiološkog monitoringa sluznice nerasta i ambijentalnih površina pre i tokom njihove eksploatacije. Ovakvo ispitivanje bi moglo da doprinese izmenjivom dizajniranju razređivača za seme nerasta u odnosu na sadržaj antibiotika. Izolovani su rezistentni sojevi bakterija iz briseva prepucijuma i briseva uzetih iz objekta kao i iz nativnog semena nerasta. Prisustvo ovih bakterija uticalo na kvalitet semena. Kao zaključak treba istaći da bakterijski monitoring prepucijuma i površina u objektu može ukazati na moguće probleme vezane za kvalitet semena nerasta kao i da se dizajniranje razređivača za seme nerasta prilagodi utvrđenoj rezistenciji izolovanih bakterija.",
publisher = "Faculty of Veterinary Medicine, Sciendo",
journal = "Acta Veterinaria-Beograd",
title = "Antimicrobial resistance as a problem for the quality of Boar Semen, Antimikrobna rezistencija kao problem kvaliteta semena nerasta",
volume = "70",
number = "1",
pages = "136-146",
doi = "10.2478/acve-2020-0010"
}
Stojanov, I., Milovanović, A., Barna, T., Prodanov-Radulović, J., Apić, J., Stojanović, D.,& Maksimović, N.. (2020). Antimicrobial resistance as a problem for the quality of Boar Semen. in Acta Veterinaria-Beograd
Faculty of Veterinary Medicine., 70(1), 136-146.
https://doi.org/10.2478/acve-2020-0010
Stojanov I, Milovanović A, Barna T, Prodanov-Radulović J, Apić J, Stojanović D, Maksimović N. Antimicrobial resistance as a problem for the quality of Boar Semen. in Acta Veterinaria-Beograd. 2020;70(1):136-146.
doi:10.2478/acve-2020-0010 .
Stojanov, Igor, Milovanović, Aleksandar, Barna, Tomislav, Prodanov-Radulović, Jasna, Apić, Jelena, Stojanović, Dragica, Maksimović, Nevena, "Antimicrobial resistance as a problem for the quality of Boar Semen" in Acta Veterinaria-Beograd, 70, no. 1 (2020):136-146,
https://doi.org/10.2478/acve-2020-0010 . .
1
1

Neutrophil phagocytosis and respiratory burst activity of dairy cows during the transition period and early lactation

Zekic-Stosić, Marina; Kanacki, Zdenko; Stojanović, Dragica; Bugarski, Dejan; Lazarević, Miodrag; Milovanović, Aleksandar; Masić, Aleksandar

(J Infection Developing Countries, Tramaniglio, 2018)

TY  - JOUR
AU  - Zekic-Stosić, Marina
AU  - Kanacki, Zdenko
AU  - Stojanović, Dragica
AU  - Bugarski, Dejan
AU  - Lazarević, Miodrag
AU  - Milovanović, Aleksandar
AU  - Masić, Aleksandar
PY  - 2018
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1593
AB  - Introduction: Hormonal and metabolic changes, as well as energy imbalance, can affect health, production and reproductive performance of dairy cows. In the present study, we evaluated phagocytosis and respiratory burst neutrophil activity during the transition period and early lactation and compared it with biochemical and hematological parameters in dairy cows. Methodology: Simmental cows (n = 21) were enrolled in the study. Whole blood samples were collected weekly from 3 weeks pre- calving until 6 weeks post calving. Basic metabolic and blood parameters were assessed by routine laboratory analyses, while neutrophil functions were analyzed by commercial test kits. Results: Optimal neutrophil response was observed pre and post calving. The highest value was recorded in the 6th week after calving (89.54 +/- 7.61%) and being significantly higher (p < 0.01) as compared to values recorded at two and one week before and one week after calving. The percentage of activated neutrophils was high during the entire study period: from 70.80 +/- 5.22% at the beginning of the study to 89.54 +/- 7.61% at the end of the study. During the study period, production of Reactive Oxidative Species by neutrophils was positively correlated with beta-hydroxybutyrat and non-esteri tied fatty acids values (0.454** and 0.423**, respectively) and calcium levels (0.164* and 0.212**, respectively). Conclusions: The most prominent changes in all parameters had no influence on phagocytic and respiratory burst activity of neutrophils. Neutrophil function is preserved at the optimal level during the transition period and early lactation in Simmental cows.
PB  - J Infection Developing Countries, Tramaniglio
T2  - Journal of Infection in Developing Countries
T1  - Neutrophil phagocytosis and respiratory burst activity of dairy cows during the transition period and early lactation
VL  - 12
IS  - 10
SP  - 894
DO  - 10.3855/jidc.10767
ER  - 
@article{
author = "Zekic-Stosić, Marina and Kanacki, Zdenko and Stojanović, Dragica and Bugarski, Dejan and Lazarević, Miodrag and Milovanović, Aleksandar and Masić, Aleksandar",
year = "2018",
abstract = "Introduction: Hormonal and metabolic changes, as well as energy imbalance, can affect health, production and reproductive performance of dairy cows. In the present study, we evaluated phagocytosis and respiratory burst neutrophil activity during the transition period and early lactation and compared it with biochemical and hematological parameters in dairy cows. Methodology: Simmental cows (n = 21) were enrolled in the study. Whole blood samples were collected weekly from 3 weeks pre- calving until 6 weeks post calving. Basic metabolic and blood parameters were assessed by routine laboratory analyses, while neutrophil functions were analyzed by commercial test kits. Results: Optimal neutrophil response was observed pre and post calving. The highest value was recorded in the 6th week after calving (89.54 +/- 7.61%) and being significantly higher (p < 0.01) as compared to values recorded at two and one week before and one week after calving. The percentage of activated neutrophils was high during the entire study period: from 70.80 +/- 5.22% at the beginning of the study to 89.54 +/- 7.61% at the end of the study. During the study period, production of Reactive Oxidative Species by neutrophils was positively correlated with beta-hydroxybutyrat and non-esteri tied fatty acids values (0.454** and 0.423**, respectively) and calcium levels (0.164* and 0.212**, respectively). Conclusions: The most prominent changes in all parameters had no influence on phagocytic and respiratory burst activity of neutrophils. Neutrophil function is preserved at the optimal level during the transition period and early lactation in Simmental cows.",
publisher = "J Infection Developing Countries, Tramaniglio",
journal = "Journal of Infection in Developing Countries",
title = "Neutrophil phagocytosis and respiratory burst activity of dairy cows during the transition period and early lactation",
volume = "12",
number = "10",
pages = "894",
doi = "10.3855/jidc.10767"
}
Zekic-Stosić, M., Kanacki, Z., Stojanović, D., Bugarski, D., Lazarević, M., Milovanović, A.,& Masić, A.. (2018). Neutrophil phagocytosis and respiratory burst activity of dairy cows during the transition period and early lactation. in Journal of Infection in Developing Countries
J Infection Developing Countries, Tramaniglio., 12(10), 894.
https://doi.org/10.3855/jidc.10767
Zekic-Stosić M, Kanacki Z, Stojanović D, Bugarski D, Lazarević M, Milovanović A, Masić A. Neutrophil phagocytosis and respiratory burst activity of dairy cows during the transition period and early lactation. in Journal of Infection in Developing Countries. 2018;12(10):894.
doi:10.3855/jidc.10767 .
Zekic-Stosić, Marina, Kanacki, Zdenko, Stojanović, Dragica, Bugarski, Dejan, Lazarević, Miodrag, Milovanović, Aleksandar, Masić, Aleksandar, "Neutrophil phagocytosis and respiratory burst activity of dairy cows during the transition period and early lactation" in Journal of Infection in Developing Countries, 12, no. 10 (2018):894,
https://doi.org/10.3855/jidc.10767 . .

Health control of pig herds on commercial farms

Bojkovski, Jovan; Vasiljević, Teodora; Stojanović, Dragica; Rogožarski, Dragan

(Naučni institut za veterinarstvo "Novi Sad", Novi Sad, 2014)

TY  - JOUR
AU  - Bojkovski, Jovan
AU  - Vasiljević, Teodora
AU  - Stojanović, Dragica
AU  - Rogožarski, Dragan
PY  - 2014
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1131
AB  - The concept of modern industrial production of pigs on commercial farms is based, among other things, on the implementation of biosecurity measures as well as solving problems of environmental protection, which greatly burden the production. It is well known that good health is a prerequisite for good pig reproduction, that is, a successful and profitable production. The health status of the herd depends on many factors such as the maintenance technology, nursing, nutrition, organization, level of staff training and systematic implementation of good health care policies. Today, we are witnessing high incidence of bacterial diseases, viral etiology and certain parasites that seriously affect the pig production in intensive farming conditions. Keeping such diseases under control is possible only by applying appropriate prophylactic and therapeutic measures, as well as by increased monitoring by professional services.
AB  - Koncept savremene industrijske proizvodnje svinja na komercijalnim farmama zasnovan je, između ostalog i na sprovođenju biosigurnosnih mera, kao i na rešavanju problema ekološke zaštite koji u velikoj meri opterećuju proizvodnju. Poznato je da dobro zdravlje svinja predstavlja preduslov dobre reprodukcije, odnosno uspešne i profitabilne proizvodnje u svinjarstvu. Zdravstveni status stada zavisi od velikog broja činilaca, kao što su tehnologija držanja, nege, ishrane, organizacija, stepen obučenosti kadrova kao i sistematsko sprovođenje mera zdravstvene zaštite. Danas smo svedoci da veliki broj oboljenja bakterijske, virusne etiologije kao i pojedine parazitoze mogu ozbiljno ugroziti proizvodnju svinja u intenzivnom uzgoju. Ove bolesti moguće je primenom profi laktičkih i terapeutskih mera, kao i pojačanim nadzorom stručnih službi držati pod kontrolom.
PB  - Naučni institut za veterinarstvo "Novi Sad", Novi Sad
T2  - Arhiv veterinarske medicine
T1  - Health control of pig herds on commercial farms
T1  - Kontrola zdravlja stada svinja na komercijalnim farmama
VL  - 7
IS  - 1
SP  - 59
EP  - 69
UR  - https://hdl.handle.net/21.15107/rcub_veterinar_1131
ER  - 
@article{
author = "Bojkovski, Jovan and Vasiljević, Teodora and Stojanović, Dragica and Rogožarski, Dragan",
year = "2014",
abstract = "The concept of modern industrial production of pigs on commercial farms is based, among other things, on the implementation of biosecurity measures as well as solving problems of environmental protection, which greatly burden the production. It is well known that good health is a prerequisite for good pig reproduction, that is, a successful and profitable production. The health status of the herd depends on many factors such as the maintenance technology, nursing, nutrition, organization, level of staff training and systematic implementation of good health care policies. Today, we are witnessing high incidence of bacterial diseases, viral etiology and certain parasites that seriously affect the pig production in intensive farming conditions. Keeping such diseases under control is possible only by applying appropriate prophylactic and therapeutic measures, as well as by increased monitoring by professional services., Koncept savremene industrijske proizvodnje svinja na komercijalnim farmama zasnovan je, između ostalog i na sprovođenju biosigurnosnih mera, kao i na rešavanju problema ekološke zaštite koji u velikoj meri opterećuju proizvodnju. Poznato je da dobro zdravlje svinja predstavlja preduslov dobre reprodukcije, odnosno uspešne i profitabilne proizvodnje u svinjarstvu. Zdravstveni status stada zavisi od velikog broja činilaca, kao što su tehnologija držanja, nege, ishrane, organizacija, stepen obučenosti kadrova kao i sistematsko sprovođenje mera zdravstvene zaštite. Danas smo svedoci da veliki broj oboljenja bakterijske, virusne etiologije kao i pojedine parazitoze mogu ozbiljno ugroziti proizvodnju svinja u intenzivnom uzgoju. Ove bolesti moguće je primenom profi laktičkih i terapeutskih mera, kao i pojačanim nadzorom stručnih službi držati pod kontrolom.",
publisher = "Naučni institut za veterinarstvo "Novi Sad", Novi Sad",
journal = "Arhiv veterinarske medicine",
title = "Health control of pig herds on commercial farms, Kontrola zdravlja stada svinja na komercijalnim farmama",
volume = "7",
number = "1",
pages = "59-69",
url = "https://hdl.handle.net/21.15107/rcub_veterinar_1131"
}
Bojkovski, J., Vasiljević, T., Stojanović, D.,& Rogožarski, D.. (2014). Health control of pig herds on commercial farms. in Arhiv veterinarske medicine
Naučni institut za veterinarstvo "Novi Sad", Novi Sad., 7(1), 59-69.
https://hdl.handle.net/21.15107/rcub_veterinar_1131
Bojkovski J, Vasiljević T, Stojanović D, Rogožarski D. Health control of pig herds on commercial farms. in Arhiv veterinarske medicine. 2014;7(1):59-69.
https://hdl.handle.net/21.15107/rcub_veterinar_1131 .
Bojkovski, Jovan, Vasiljević, Teodora, Stojanović, Dragica, Rogožarski, Dragan, "Health control of pig herds on commercial farms" in Arhiv veterinarske medicine, 7, no. 1 (2014):59-69,
https://hdl.handle.net/21.15107/rcub_veterinar_1131 .

Uticaj produžene peroralne primene eugenola na hematološke i neke biohemijske parametre krvi kod pacova

Jezdimirović, Milanka; Aleksić, Nevenka; Milovanović, Mirjana; Stojanović, Dragica; Jezdimirović, Nemanja

(Banja Luka : PI Veterinary Institute Republic of Srpska „Dr. Vaso Butozan“, 2013)

TY  - JOUR
AU  - Jezdimirović, Milanka
AU  - Aleksić, Nevenka
AU  - Milovanović, Mirjana
AU  - Stojanović, Dragica
AU  - Jezdimirović, Nemanja
PY  - 2013
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/2102
AB  - Ispitivano je moguće hematotoksično, hepatotoksično i nefrotoksičano dejstvo eugenola
kod pacova posle dvonedeljne i četvoronedeljne kontinuirane p.o. primene.
Ogled je izveden na 72 mužjaka pacova soja Wistar podeljenih u šest grupa. Četiri
grupe tretirane su različitim dozama eugenola (10 mg/kg tm/dan, 50 mg/kg tm/dan,
200 mg/kg tm/dan i 400 mg/kg tm/dan). Peta, kontrolna grupa dobijala je vehikulum
(0,5% metil-celuloza, 20% propilen-glikol i voda), a šesta je bila apsolutna, netretirana
kontrola. Eugenol i vehikulum aplikovani su gastričnom sondom, svakodnevno tokom
četiri nedelje u količini od 1 ml/100 g telesne mase pacova. Krv je uzorkovana
kardijalnom punkcijom anestetisanih pacova 14. i 28. dana ogleda u cilju određivanja
hematoloških i biohemijskih parametara krvi: hematokrit, broj eritrocita, leukocita i
trombocita, leukocitna formula, koncentracija hemoglobina, MCV, MCH, koncentracija
proteina, albumina, uree, kreatinina, kao i aktivnost alanin-aminotransferaze (ALT),
alkalne fosfataze (ALP) i kreatin-kinaze (CK). Rezultati su pokazali da eugenol primenjivan tokom dve i četiri nedelje u dozama
od 10, 50, 200 i 400 mg/kg tm/dan ne ispoljava hematotoksično, hepatotoksično niti
nefrotoksično dejstvo. Eugenol davan tokom četiri nedelje ne utiče značajno na broj
eritrocita, koncentraciju hemoglobina, hematokrit, zapreminu eritrocita, broj
leukocita i leukocitnu formulu. Primenjivan tokom dve nedelje, prouzrokuje značajno
povećanje mase hemoglobina po eritrocitu. Ovaj efekat je nespecifičan i ne zavisi niti
doze, niti od dužine tretmana. Doze eugenola od 10 i 200 mg/kg/dan primenjivane
tokom četiri nedelje prouzrokuju značajno smanjenje broja trombocita, dok najviša
ispitivana doza (400 mg/kg/dan) prouzrokuje značajno povećanje, u poređenju sa
brojem trombocita kod pacova tretiranih dozom od 10 i 200 mg/kg/dan. Promene
broja trombocita izazvane eugenolom kvalitativno su različite i ne zavise od doze, niti
od dužine tretmana. Eugenol primenjivan tokom dve i četiri nedelje ne utiče značajno na proteinemiju, albuminemiju, koncentraciju uree i kreatinina, kao i aktivnost ALP u
serumu pacova.
Tri ispitivane doze eugenola (10, 50 i 200 mg/kg/dan) značajno smanjuju, dok
najviša doza povećava aktivnost ALT. Eugenol aplikovan tokom četiri nedelje u dozi
od 200 i 400 mg/kg prouzrokuje statistički značajno smanjenje aktivnosti CK.
AB  - The possible haematotoxic, hepatotoxic and nephrotoxic effects of eugenol in
rats after two-week and the four-week continuous use were tested. The experiment
was conducted on 72 male Wistar rats divided into six equal groups. Four were
treated with different doses of eugenol (10 mg/kg bw/day, 50 mg/kg/d, 200 mg/kg
bw/d and 400 mg/kg bw/d), the control group received the vehikulum (0.5%
methyl cellulose, 20% propylene glycol and water), and the sixth group was the
absolute, untreated control. Eugenol and the vehikulum were administered with a
gastric probe, on a daily basis, for four weeks at a rate of 1 ml/100 g body weight of
rats. Blood was collected by cardiac puncture of the anesthetised rats on days 14
and 28 in order to assess the haematological and biochemical blood parameters:
haematocrit, red blood cell count, white blood cell and platelet counts, leukocyte
formula, hemoglobin, MCV, MCH, total protein concentration, albumin, urea,
creatinine, and the activity of the alanine aminotransferase (ALT), alkaline
phosphatase (ALP) and creatine kinase (CK).
The results showed that, having been applied for two and four weeks at doses of 10,
50, 200 and 400 mg/kg bw/day, eugenol did not show any haematotoxic, hepatotoxic
or nephrotoxic effects. Eugenol administered for four weeks does not significantly
affect the number of erythrocytes, haemoglobin concentration, haematocrit, red blood cell volume, leukocyte count and leukocyte formula. Applied for two weeks it caused a
significant increase in the mass of haemoglobin in erythrocytes. This effect is not
specific and does not depend on the dose or the treatment duration. Eugenol in doses
of 10 and 200 mg/kg/day applied for four weeks caused a significant reduction in the
number of platelets, whilst the highest dose tested (400 mg/kg/day) caused a
significant increase in comparison to the number of platelets in rats treated with 10
and 200 mg/kg/day. Changes in the number of platelets induced by eugenol
qualitatively different and are not related to dose or length of treatment.
Eugenol applied for two and four weeks does not significantly affect proteinaemia,
albuminaemia, serum urea and creatinine concentrations, and serum ALP
activity in rats. Three assessed doses of eugenol (10, 50 and 200 mg/kg/d)
significantly decreased, whereas the highest dose increased the ALT activity.
However, eugenol applied for four weeks at a dose of 200 and 400 mg/kg/d caused
a statistically significant decrease in CK activity.
PB  - Banja Luka : PI Veterinary Institute Republic of Srpska „Dr. Vaso Butozan“
T2  - Veterinarski žurnal Republike Srpske
T1  - Uticaj produžene peroralne primene eugenola na hematološke i neke biohemijske parametre krvi kod pacova
T1  - Effect of extended oral administration of eugenol on hematological and some biochemical blood parameters in rats
VL  - 13
IS  - 2
SP  - 131
EP  - 142
DO  - 10.7251/VJRS1302131J
ER  - 
@article{
author = "Jezdimirović, Milanka and Aleksić, Nevenka and Milovanović, Mirjana and Stojanović, Dragica and Jezdimirović, Nemanja",
year = "2013",
abstract = "Ispitivano je moguće hematotoksično, hepatotoksično i nefrotoksičano dejstvo eugenola
kod pacova posle dvonedeljne i četvoronedeljne kontinuirane p.o. primene.
Ogled je izveden na 72 mužjaka pacova soja Wistar podeljenih u šest grupa. Četiri
grupe tretirane su različitim dozama eugenola (10 mg/kg tm/dan, 50 mg/kg tm/dan,
200 mg/kg tm/dan i 400 mg/kg tm/dan). Peta, kontrolna grupa dobijala je vehikulum
(0,5% metil-celuloza, 20% propilen-glikol i voda), a šesta je bila apsolutna, netretirana
kontrola. Eugenol i vehikulum aplikovani su gastričnom sondom, svakodnevno tokom
četiri nedelje u količini od 1 ml/100 g telesne mase pacova. Krv je uzorkovana
kardijalnom punkcijom anestetisanih pacova 14. i 28. dana ogleda u cilju određivanja
hematoloških i biohemijskih parametara krvi: hematokrit, broj eritrocita, leukocita i
trombocita, leukocitna formula, koncentracija hemoglobina, MCV, MCH, koncentracija
proteina, albumina, uree, kreatinina, kao i aktivnost alanin-aminotransferaze (ALT),
alkalne fosfataze (ALP) i kreatin-kinaze (CK). Rezultati su pokazali da eugenol primenjivan tokom dve i četiri nedelje u dozama
od 10, 50, 200 i 400 mg/kg tm/dan ne ispoljava hematotoksično, hepatotoksično niti
nefrotoksično dejstvo. Eugenol davan tokom četiri nedelje ne utiče značajno na broj
eritrocita, koncentraciju hemoglobina, hematokrit, zapreminu eritrocita, broj
leukocita i leukocitnu formulu. Primenjivan tokom dve nedelje, prouzrokuje značajno
povećanje mase hemoglobina po eritrocitu. Ovaj efekat je nespecifičan i ne zavisi niti
doze, niti od dužine tretmana. Doze eugenola od 10 i 200 mg/kg/dan primenjivane
tokom četiri nedelje prouzrokuju značajno smanjenje broja trombocita, dok najviša
ispitivana doza (400 mg/kg/dan) prouzrokuje značajno povećanje, u poređenju sa
brojem trombocita kod pacova tretiranih dozom od 10 i 200 mg/kg/dan. Promene
broja trombocita izazvane eugenolom kvalitativno su različite i ne zavise od doze, niti
od dužine tretmana. Eugenol primenjivan tokom dve i četiri nedelje ne utiče značajno na proteinemiju, albuminemiju, koncentraciju uree i kreatinina, kao i aktivnost ALP u
serumu pacova.
Tri ispitivane doze eugenola (10, 50 i 200 mg/kg/dan) značajno smanjuju, dok
najviša doza povećava aktivnost ALT. Eugenol aplikovan tokom četiri nedelje u dozi
od 200 i 400 mg/kg prouzrokuje statistički značajno smanjenje aktivnosti CK., The possible haematotoxic, hepatotoxic and nephrotoxic effects of eugenol in
rats after two-week and the four-week continuous use were tested. The experiment
was conducted on 72 male Wistar rats divided into six equal groups. Four were
treated with different doses of eugenol (10 mg/kg bw/day, 50 mg/kg/d, 200 mg/kg
bw/d and 400 mg/kg bw/d), the control group received the vehikulum (0.5%
methyl cellulose, 20% propylene glycol and water), and the sixth group was the
absolute, untreated control. Eugenol and the vehikulum were administered with a
gastric probe, on a daily basis, for four weeks at a rate of 1 ml/100 g body weight of
rats. Blood was collected by cardiac puncture of the anesthetised rats on days 14
and 28 in order to assess the haematological and biochemical blood parameters:
haematocrit, red blood cell count, white blood cell and platelet counts, leukocyte
formula, hemoglobin, MCV, MCH, total protein concentration, albumin, urea,
creatinine, and the activity of the alanine aminotransferase (ALT), alkaline
phosphatase (ALP) and creatine kinase (CK).
The results showed that, having been applied for two and four weeks at doses of 10,
50, 200 and 400 mg/kg bw/day, eugenol did not show any haematotoxic, hepatotoxic
or nephrotoxic effects. Eugenol administered for four weeks does not significantly
affect the number of erythrocytes, haemoglobin concentration, haematocrit, red blood cell volume, leukocyte count and leukocyte formula. Applied for two weeks it caused a
significant increase in the mass of haemoglobin in erythrocytes. This effect is not
specific and does not depend on the dose or the treatment duration. Eugenol in doses
of 10 and 200 mg/kg/day applied for four weeks caused a significant reduction in the
number of platelets, whilst the highest dose tested (400 mg/kg/day) caused a
significant increase in comparison to the number of platelets in rats treated with 10
and 200 mg/kg/day. Changes in the number of platelets induced by eugenol
qualitatively different and are not related to dose or length of treatment.
Eugenol applied for two and four weeks does not significantly affect proteinaemia,
albuminaemia, serum urea and creatinine concentrations, and serum ALP
activity in rats. Three assessed doses of eugenol (10, 50 and 200 mg/kg/d)
significantly decreased, whereas the highest dose increased the ALT activity.
However, eugenol applied for four weeks at a dose of 200 and 400 mg/kg/d caused
a statistically significant decrease in CK activity.",
publisher = "Banja Luka : PI Veterinary Institute Republic of Srpska „Dr. Vaso Butozan“",
journal = "Veterinarski žurnal Republike Srpske",
title = "Uticaj produžene peroralne primene eugenola na hematološke i neke biohemijske parametre krvi kod pacova, Effect of extended oral administration of eugenol on hematological and some biochemical blood parameters in rats",
volume = "13",
number = "2",
pages = "131-142",
doi = "10.7251/VJRS1302131J"
}
Jezdimirović, M., Aleksić, N., Milovanović, M., Stojanović, D.,& Jezdimirović, N.. (2013). Uticaj produžene peroralne primene eugenola na hematološke i neke biohemijske parametre krvi kod pacova. in Veterinarski žurnal Republike Srpske
Banja Luka : PI Veterinary Institute Republic of Srpska „Dr. Vaso Butozan“., 13(2), 131-142.
https://doi.org/10.7251/VJRS1302131J
Jezdimirović M, Aleksić N, Milovanović M, Stojanović D, Jezdimirović N. Uticaj produžene peroralne primene eugenola na hematološke i neke biohemijske parametre krvi kod pacova. in Veterinarski žurnal Republike Srpske. 2013;13(2):131-142.
doi:10.7251/VJRS1302131J .
Jezdimirović, Milanka, Aleksić, Nevenka, Milovanović, Mirjana, Stojanović, Dragica, Jezdimirović, Nemanja, "Uticaj produžene peroralne primene eugenola na hematološke i neke biohemijske parametre krvi kod pacova" in Veterinarski žurnal Republike Srpske, 13, no. 2 (2013):131-142,
https://doi.org/10.7251/VJRS1302131J . .

Biological properties of a naturally attenuated infectious bursal disease virus isolated from a backyard chicken flock

Velhner, Maja; Mitevski, Darko; Potkonjak, Dubravka; Stojanović, Dragica; Kovačević, Mira; Petrović, Tamaš; Aleksić-Kovačević, Sanja

(Akademiai Kiado Rt, Budapest, 2010)

TY  - JOUR
AU  - Velhner, Maja
AU  - Mitevski, Darko
AU  - Potkonjak, Dubravka
AU  - Stojanović, Dragica
AU  - Kovačević, Mira
AU  - Petrović, Tamaš
AU  - Aleksić-Kovačević, Sanja
PY  - 2010
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/706
AB  - The biological properties of an infectious bursal disease (IBD) virus isolated from bursas collected during an outbreak in a village chicken flock in Macedonia are described. The mortality rate was 50%. Two viruses coexisted in the bursas of infected chickens (IBDVwt and IBDVtc). The virus termed IBDVtc grows on chicken embryo fibroblast (CEF) cells from the first passage. Specific pathogen free chickens inoculated with IBDVtc at passage level 4 did not develop any clinical signs of disease. Some discrete bleeding on the leg muscles was seen and the bursa of Fabricius revealed pathological lesions similar to those caused by classical strains. However, the bursa recovered quickly (bursa lesion score 2) by 14 days post infection (PI). We also found evidence of bursal repopulation by means of perinuclear antigen staining. Strong CD3 influx was evident at 4 days PI, and at 33 days PI the CD3+ cell finding was comparable to the control. The mean antibody titre was 9.2 log(2) at 14 days PI. The amino acid composition of VP2 in IBDVwt (222 Ala, 242 Ile, 253 Gln, 256 Ile, 279 Asp, 284 Ala, 294 Ile and 299 Ser) is described. The same sequence was found in IBDVtc, except for two point mutations, at Gln253 -> His and Ala284 -> Thr. Such amino acid substitution is responsible for partial attenuation and the ability of the strain to replicate in cell culture. None of the commercial vaccine viruses has a similar arrangement of amino acids in the variable domain of IBDV. This strongly suggests that IBDVtc originates from a very virulent strain. To the best of our knowledge, this is the first report of a concomitant infection of chickens with highly pathogenic IBDV and its mutant counterpart.
PB  - Akademiai Kiado Rt, Budapest
T2  - Acta Veterinaria Hungarica
T1  - Biological properties of a naturally attenuated infectious bursal disease virus isolated from a backyard chicken flock
VL  - 58
IS  - 4
SP  - 499
EP  - 509
DO  - 10.1556/AVet.58.2010.4.10
ER  - 
@article{
author = "Velhner, Maja and Mitevski, Darko and Potkonjak, Dubravka and Stojanović, Dragica and Kovačević, Mira and Petrović, Tamaš and Aleksić-Kovačević, Sanja",
year = "2010",
abstract = "The biological properties of an infectious bursal disease (IBD) virus isolated from bursas collected during an outbreak in a village chicken flock in Macedonia are described. The mortality rate was 50%. Two viruses coexisted in the bursas of infected chickens (IBDVwt and IBDVtc). The virus termed IBDVtc grows on chicken embryo fibroblast (CEF) cells from the first passage. Specific pathogen free chickens inoculated with IBDVtc at passage level 4 did not develop any clinical signs of disease. Some discrete bleeding on the leg muscles was seen and the bursa of Fabricius revealed pathological lesions similar to those caused by classical strains. However, the bursa recovered quickly (bursa lesion score 2) by 14 days post infection (PI). We also found evidence of bursal repopulation by means of perinuclear antigen staining. Strong CD3 influx was evident at 4 days PI, and at 33 days PI the CD3+ cell finding was comparable to the control. The mean antibody titre was 9.2 log(2) at 14 days PI. The amino acid composition of VP2 in IBDVwt (222 Ala, 242 Ile, 253 Gln, 256 Ile, 279 Asp, 284 Ala, 294 Ile and 299 Ser) is described. The same sequence was found in IBDVtc, except for two point mutations, at Gln253 -> His and Ala284 -> Thr. Such amino acid substitution is responsible for partial attenuation and the ability of the strain to replicate in cell culture. None of the commercial vaccine viruses has a similar arrangement of amino acids in the variable domain of IBDV. This strongly suggests that IBDVtc originates from a very virulent strain. To the best of our knowledge, this is the first report of a concomitant infection of chickens with highly pathogenic IBDV and its mutant counterpart.",
publisher = "Akademiai Kiado Rt, Budapest",
journal = "Acta Veterinaria Hungarica",
title = "Biological properties of a naturally attenuated infectious bursal disease virus isolated from a backyard chicken flock",
volume = "58",
number = "4",
pages = "499-509",
doi = "10.1556/AVet.58.2010.4.10"
}
Velhner, M., Mitevski, D., Potkonjak, D., Stojanović, D., Kovačević, M., Petrović, T.,& Aleksić-Kovačević, S.. (2010). Biological properties of a naturally attenuated infectious bursal disease virus isolated from a backyard chicken flock. in Acta Veterinaria Hungarica
Akademiai Kiado Rt, Budapest., 58(4), 499-509.
https://doi.org/10.1556/AVet.58.2010.4.10
Velhner M, Mitevski D, Potkonjak D, Stojanović D, Kovačević M, Petrović T, Aleksić-Kovačević S. Biological properties of a naturally attenuated infectious bursal disease virus isolated from a backyard chicken flock. in Acta Veterinaria Hungarica. 2010;58(4):499-509.
doi:10.1556/AVet.58.2010.4.10 .
Velhner, Maja, Mitevski, Darko, Potkonjak, Dubravka, Stojanović, Dragica, Kovačević, Mira, Petrović, Tamaš, Aleksić-Kovačević, Sanja, "Biological properties of a naturally attenuated infectious bursal disease virus isolated from a backyard chicken flock" in Acta Veterinaria Hungarica, 58, no. 4 (2010):499-509,
https://doi.org/10.1556/AVet.58.2010.4.10 . .
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