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Prikaz rezultata 11-20 od 43
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 ...
The effect of progesterone monitoring in improving reproductive efficiency in first lactating dairy cows
(Novi Sad : Poljoprivredni fakultet, 2015)
The aim of this study was to determine the impact of the level of progesterone in
the cycle preceding insemination, as well as the ability to shorten the open days period of
primiparous cows which were under the control ...
Mastitis associated with Prototheca zopfii - an emerging health and economic problem on dairy farms
(Walter De Gruyter Gmbh, Berlin, 2016)
Increased incidence of protothecal mastitis has been recorded in several countries in the past ten years. The main goal of this article is to draw the attention of scientific and professional community to the emerging issue ...
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 ...
Open days period and antispermatozoal antibodies in artificially inseminated cows / Servis period i antitela protiv spermatozoida kod veštački osemenjavanih krava
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2005)
The aim of this study was to determine titers of antisperm antibodies (ASA) of Ig G and Ig A class in sera and cervical mucus of artificially inseminated Holstein cows in order to correlate these results with the duration ...
A study on oxidative stress and peripheral blood parameters of cows bred in the area exposed to depleted uranium ammunition / Ispitivanje oksidativnog stresa i parametara periferne krvi krava uzgajanih na području izloženom dejstvu municije sa osiromašenim uranijumom (ou)
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2005)
The paper presents results of the study on depleted uranium (DU) health effects on cows bred in areas exposed to DU ammunition, during NATO bombing of Serbia and Montenegro in 1999. The samples of animal blood, soils and ...
Influence of puerperal gonadoreline application on reproductive parameter values in cows / Utjecaj aplikacije gonadorelina u puerperiju na reproduktivne parametre krava
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2006)
This paper presents results of investigations conducted in order to investigate the influence of gonadoreline application 14-16, 17-20 and 21-25 days postpartum on reproductive parameters values in cows. A total of 241 ...
Influence of parenteral application of beta-carotene on fertility in cows / Uticaj parenteralne aplikacije beta-karotina na plodnost krava
(Fakultet veterinarske medicine, Beograd, Srbija, 2008)
U zapatu visokomlečnih krava holštajn rase odabrano je 30 krava za izvođenje ogleda. Životinje su odabrane u periodu visokog graviditeta i podeljene su u dve grupe. Kravama ogledne grupe (n=15) je dve nedelje pre očekivanog ...
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 ...