Претраживање
Приказ резултата 11-16 од 16
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 ...
Mineral substances: Regulators electrochemical rection of the contens rumen in high yielding dairy cows / Mineralne materije - regulatori elektrohemijske reakcije sadržaja buraga visokomlečnih krava
(Institut za primenu nauke u poljoprivredi, Beograd, 2005)
The contemporary informations about importance and possibilities for maintaining the optimal electrochemical reaction in the organism in high yielding dairy cows were given in this paper. The most important functions were ...
Antisperm antibodies of the Ig a class in the cervical mucus and sera of artificially inseminated cows / Ig A antititela protiv spermatozoida u cervikalnoj sluzi i serumu krava koje se veštački osemenjavaju
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2003)
The aim of this study was to investigate the level of anti-sperm antibodies of the Ig A class in the cervical mucus and sera of artificially inseminated cows. Cervical mucus and sera samples were collected on the day of ...
Immunoprophylaxis of bovine mastitis / Imunoprofilaksa bovinih mastitisa
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2003)
Mastitis poses a major economic and health problem in herds of dairy cows. The many years of taking different approaches to treating mastitis have not resulted in an adequate solution, so that the problem of mastitis is ...
Applying enzyme immunotest for determination of progesterone concentration in whole cow 's milk / Primena enzimskog imunotesta za određivanje koncentracije progesterona u punom kravljem mleku
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2009)
In this work the possibility of producing and using our new EIA (enzyme immunosorbent test) set for direct determination of progesterone concentration in whole milk was analyzed. The test confirmed high values in milk of ...
Cutaneous basophil hypersensitivity reaction to phytohemagglutinin in repeat breeder cows / Test kožne preosetljivosti na fitohemaglutinin (PHA) kod krava koje povađaju
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2004)
In this study the relationship was explored between general immune reactivity, as estimated by the cutaneous basophil hypersensitivity reaction (CBHR) to phytohemagglutinin (PHA), and the level of anti-sperm antibodies of ...