Pretraživanje
Prikaz rezultata 21-30 od 34
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 ...
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 ...
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 ...
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 ...
Application of management of nutrition, health, production and reproduction of dairy cows / Primena menadžmenta ishrane, zdravlja, proizvodnje i reprodukcije mlečnih krava
(Institut PKB Agroekonomik, Padinska skela, 2011)
Main goal of each livestock production is profit. On dairy cow farms aim is to produce as much milk as possible, similarly on beef farms main aim is to produce as much meat as possible. Both productions (dairy and beef) ...
Placental iodothyronine deiodinases expression in pregnant cows exposed to propylthiouracil (PTU) and thyroid axis activity of their calves / Ekspresija dejodinaza u placenti krava tretiranih sa propiltiouracilom (PTU) i aktivnost tireoidne osovine njihove teladi
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2016)
The aim of our study was to investigate if the thyroid axis of newborn calves is affected by prenatal application of propylthyouracil (PTU). The study included 20 late pregnant Holstein cows. One group (n=10) was treated ...
The biological significance of differences in cows and sows colostrum and milk composition / Biologičeskoe značenie različij v sostave kolostruma i moloka korov i svinomatok
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2014)
The objective of this work was to compare the composition of colostrum and milk of cows and sows (content of dry matter, protein, milk fat and lactose, concentration of IGF-I and insulin) in samples taken on the first, ...
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 ...
Neki aspekti etiopatogeneze poremećaja u ponašanju krava u farmskim uslovima držanja / Some aspects of the etiopathogenesis of behaviour problems among cows in intesive housing conditions
(Banja Luka : PI Veterinary Institute Republic of Srpska „Dr. Vaso Butozan“, 2013)
Циљ рада био је да се утврди повезаност биохемијских параметара крви и
стереотипног понашања крава. Испитивање је извршено на 80 Холштајн крава
подељених у четири групе: засушење, пуерперијум, рана и касна лактацијa.
Процена ...