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Приказ резултата 11-20 од 166
Concentration of beta-carotene and vitamin A in blood serum of cows in peripartal period / Koncentracija beta-karotina i vitamina a u krvnom serumu krava u peripartalnom periodu
(Fakultet veterinarske medicine, Beograd, Srbija, 2005)
In a herd of high-productive dairy cows of the Holstein breed, 40 cows were selected for an experiment. The animals were chosen at the period of advanced gravidity. Data on mean values of beta-carotene concentrations in ...
Production-economic results in hatching eggs production for Arbor Acres laying hens / Proizvodno-ekonomski rezultati u proizvodnji jaja za nasad kod nosilja arbor acres provenijence
(Fakultet veterinarske medicine, Beograd, Srbija, 2005)
Investigations were carried out on Arbor Acres laying hens divided into two experimental groups, with group! having an initial mass of 2.70 kg, and group II of 2.15 kg. On entering exploitation, the laying hens were 22 ...
New biotechnological procedures in swine reproduction / Novi biotehnolopki postupci u reprodukciji svinja
(Fakultet veterinarske medicine, Beograd, Srbija, 2002)
New biotechnological procedures and the use of hormones in swine breeding are aimed at increasing the number of piglets in the litter. In small herds and groups, selected sows with 16 mammary complexes (tits) can yield up ...
Comparative analysis of antibiotic residue in milk using enzyme and microbiological methods
(Fakultet veterinarske medicine, Beograd, Srbija, 2003)
Antibiotic residue can have a harmful effect on human health and can disrupt the processing of milk and milk products. In order to prevent these unwanted effects of residue, different screening methods are used today. The ...
Mycotoxicoses in animals caused by secondary metabolites of molds / Trovanja životinja izazvana sekundarnim metabolitima plesni
(Fakultet veterinarske medicine, Beograd, Srbija, 2005)
It is estimated that at least 25% of grain and other cereals are today contaminated with known mycotoxins, while a large number of them are probably contaminated with as yet unidentified mycotoxins. Mycotoxins produce mold ...
Presence of ochratoxin A and toxic elements residue in tissues and their impact on safety of pork / Uticaj prisustva rezidua ohratoksina a i toksičnih elemenata u tkivima na bezbednost svinjskog mesa
(Fakultet veterinarske medicine, Beograd, Srbija, 2008)
The aim and task of this study was to determine the presence of ochratoxin A (OTA) in blood serum, liver and kidneys of fattening swine, slaughtered regularly, originating from different areas of Serbia. During meat ...
Radiation-hygiene control of imported foodstuffs and cattle feed / Radijaciono-higijenska kontrola uvoznih namirnica i stočnih hraniva
(Fakultet veterinarske medicine, Beograd, Srbija, 2002)
The increasingly frequent use of nuclear energy in peacetime, experimental nuclear and thermo-nuclear explosions, as well as accidents in nuclear plants lead to an increased and unequal distribution of radioactive substances ...
Findings of specific antibodies against Leptospira interrogans in cattle blood sera / Nalaz specifičnih antitela protiv Leptospira interrogans u krvnom serumu goveda
(Fakultet veterinarske medicine, Beograd, Srbija, 2005)
U petogodišnjem periodu na području devet opština Južnobačkog regiona serološki je ispitano 24208 uzoraka krvnih seruma goveda, što čini 31,18 posto od ukupnog reproduktivnog fonda goveda. Uzorci su ispitani metodom ...
Fleas and flea control / Buve i kontrola buva
(Fakultet veterinarske medicine, Beograd, Srbija, 2002)
Buve kao hematofagne artropode učestvuju u prenošenju nekih bolesti, kao što su bubonska kuga, mišiji tifus, pegavi tifus, zatim tularemije ili mogu da budu prelazni domaćin pojedinih vrsta cestoda za pse i mačke. Zavisno ...
Postpartum resumption of cyclic ovarian function, first estrus and re-conception and their relation to energy metabolism in high-producing dairy cows / Postpartalni nastavak ciklične funkcije jajnika, prvi estrus i ponovno oplođenje i njihov odnos prema metabolizmu energije kod visoko-mlečnih krava
(Fakultet veterinarske medicine, Beograd, Srbija, 2004)
In the last few decades a continuous increase was observed in average milk production of dairy cows all over the world. Simultaneously, however, a dramatic decrease was seen in reproductive performance. This tendency is ...