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Prikaz rezultata 11-20 od 37
Relationship between the indexes of insulin resistance and metabolic status in dairy cows during early lactation
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2017)
Insulin resistance is a phenomenon which accompanies the ongoing metabolic adaptation in cows during early lactation. The aim of our study was to determine the linear correlations of HOMA (Homeostatic Model Assessment), ...
Insulin-like growth factor-I (IGF-I) and thyroid hormone concentrations in colostrum of Holstein-Friesian cows before and after calving / Koncentracija insulinu sličnog faktora rasta-I (IGF-I) i tireoidnih hormona u kolostrumu krava holštajn-frizijske rase pre i posle teljenja
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2009)
The concentration of biologically active molecules in colostrum is strongly related to the metabolic and endocrine status of the cow during the early postpartum period. The aim of this study was to determine concentrations ...
Effects of buffering mineral mixtures on milk yield, milk composition, rumen pH and some blood biochemical parameters in heat stressed dairy cows / Vlijanie mineral'noj smesi s bufernym dejstviem na nadoj moloka, sostav moloka, rN soderžanie rubca i koncentraciju nekotoryh biohemičeskih pokazatelej krovi u korov, podvergšihsja vozdejstviju teplovogo stressa
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2014)
The objective of the work was to investigate the influence of partial substitution of magnesium oxide with natural bentonite in feed mixtures used in feeding of cows during their exposure to heat stress. The investigation ...
Investigations of presence of antibodies against bovine herpesvirus-1 in blood serum of calves prior to colostrum diet / Ispitivanje prisustva antitela protiv goveđeg herpesvirusa-1 u krvnom serumu teladi pre ishrane kolostrumom
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2010)
The paper presents the results of investigations of the presence of the bovine herpesvirus-1 (BHV-1) in samples of blood serum from 106 cows and 107 of their calves (one cow had twins). Blood was sampled from the cows ...
Results of analysis of red blood cells in cows and sheep in areas exposed to attack using depleted uranium ammunition / Rezultati pregleda crvene krvne slike ovaca i krava sa područja bombardovanih municijom sa osiromašenim uranijumom
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2004)
The paper presents the results of preliminary examinations of the red blood cell count in sheep and cows raised in areas that were exposed to the effects of depleted uranium ammunition during the NATO bombing of the country ...
Serum thyroxine and triiodothyronine concentrations prior to and after delivery in primiparous Holstein cows / Koncentracija tiroksina i trijodtironina u krvnom serumu junica Holštajn rase pre i posle partusa
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2001)
Serum thyroxine (T4) and triiodothyronine (T3) concentrations were determined twice daily (830h and 16h) in seven primiparous Holstein cows from 4 days prior to (-4, -3, -2, -1) to delivery, on the day of calving, and up ...
Induction and synchronization of estrus in dairy cows using a single injection of PGF2α and GnRH / Primjena jednokratne injekcije PGF2α i GnRH u svrhu indukcije i sinhronizacije estrusa kod mliječnih krava
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2012)
The aim of this study was to examine the effects of treatment with a single injection of GnRH and PGF2α on estrous response, fertility and service period. A total of 120 lactating Simmental cows were divided into four ...
The influence of antisperm Ig G and Ig A antibodies from cows sera and cervical mucus on bull sperm motility / Uticaj antispermalnih antitela Ig G i Ig A klase poreklom iz seruma i cervikalne sluzi krava na pokretljivost spermatozoida
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2013)
The aim of this study was to investigate the influence of antisperm Ig G and Ig A antibodies (ASA) from the sera and cervical mucus of cows on bulls sperm motility. A total of 64 cows was included in the study and samples ...
Effect of Saccharomyces cerevisiae supplementation on health and performance of dairy cows during transition and early lactation period / Uticaj dodatka Saccharomyces cerevisiae u ishrani na zdravlje i proizvodnju krava tokom perioda tranzicije i početka laktacije
(Institut za stočarstvo, Beograd, 2015)
Data concerning the effect of probiotics supplementation on many parameters concurrently at the same cows are lacking. Therefore, the objective of this experiment was to investigate the effects of Saccharomyces cerevisiae ...
Influence of heat stress on dairy cows production / Uticaj toplotnog stresa na proizvodnju mlečnih krava
(Institut PKB Agroekonomik, Padinska skela, 2007)
During the hottest summer months in our country, conditions for thermal stress development in cows are present, especially when values of temperature and air humidity increase simultaneously. When temperature rises, cow ...