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The total number of dust particles and the portion of the respirable dust fraction in the air of a swine fattening building / Ukupan broj čestica prašine i udeo respirabilne frakcije u vazduhu tovilišta za svinje
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2001)
In swine fattening units, where animals are densely confined, dust from the animals, their skin, hair, feces and urine and their feed, especially during agitation and emptying, can rise to harmful levels both for workers ...
Protection of chickens with maternally derived antibodies after challenge with very virulent infectious bursal disease virus / Zaštitna vrednost maternalnih antitela posle infekcije pilića vrlo virulentnim virusom infektivnog oboljenja burze
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2001)
The protective value of maternally derived antibodies in broiler breeders and broilers was tested after challenge with very virulent infectious bursal disease virus. Chickens were infected on the 14th and 10th day of age ...
Plasma thyroxine and triiodothyronine levels after synchronization of estrus in the breeding season in ewes / Koncentracija tiroksina i trijodtironina u krvnoj plazmi ovaca posle sinhronizacije estrusa u sezoni parenja
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2001)
Twenty nonpregnant cycling Tsigai ewes in the breeding season were treated for synchronization of estrus using intravaginal progestagen sponges (medroxyprogesterone-acetate, MAP) followed by an intramuscular injection of ...
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 ...
Mutagenous effects of hormones / Mutageni efekti hormona
(Univerzitet u Nišu - Medicinski fakultet, Niš, 2001)
There is a widely accepted view that the endogenous substances, including hormones, do not have any mutagenous effect when present in the usual physiological concentrations. However, beside relative stability and permanence ...