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Приказ резултата 21-30 од 170
Comparative analysis of antibiotic residue in milk using enzyme and microbiological methods
(Fakultet veterinarske medicine, Beograd, Srbija, 2003)
Antibiotic residue can have a harmful effect on human health and can disrupt the processing of milk and milk products. In order to prevent these unwanted effects of residue, different screening methods are used today. The ...
Mycotoxicoses in animals caused by secondary metabolites of molds / Trovanja životinja izazvana sekundarnim metabolitima plesni
(Fakultet veterinarske medicine, Beograd, Srbija, 2005)
It is estimated that at least 25% of grain and other cereals are today contaminated with known mycotoxins, while a large number of them are probably contaminated with as yet unidentified mycotoxins. Mycotoxins produce mold ...
Production-economic results in hatching eggs production for Arbor Acres laying hens / Proizvodno-ekonomski rezultati u proizvodnji jaja za nasad kod nosilja arbor acres provenijence
(Fakultet veterinarske medicine, Beograd, Srbija, 2005)
Investigations were carried out on Arbor Acres laying hens divided into two experimental groups, with group! having an initial mass of 2.70 kg, and group II of 2.15 kg. On entering exploitation, the laying hens were 22 ...
New biotechnological procedures in swine reproduction / Novi biotehnolopki postupci u reprodukciji svinja
(Fakultet veterinarske medicine, Beograd, Srbija, 2002)
New biotechnological procedures and the use of hormones in swine breeding are aimed at increasing the number of piglets in the litter. In small herds and groups, selected sows with 16 mammary complexes (tits) can yield up ...
Numerical and structural chromosome polimorphism in fish species: Carassius auratus gibelio b. and alburnus alburnus L. / Numerički i strukturni polimorfizam hromozoma kod riba vrsta – Carassius auratus gibelio B. I Alburnus alburnus L.
(Fakultet veterinarske medicine, Beograd, Srbija, 2003)
The paper presents the results of cytogenetic investigations of the fish species Carassius auratus gibelio, B. and Alburnus alburnus, L. Karyotype definitions are given for fish caught at different localities in Serbia. ...
Effect of high levels of organic selenium on glutation-peroxidase (GSH-Px) activity in blood plasma of broilers / Uticaj visokih nivoa organski vezanog selena u hrani na aktivnost glutation-peroksidaze (GSH-Px) u krvnoj plazmi brojlera
(Fakultet veterinarske medicine, Beograd, Srbija, 2005)
An experiment lasting 45 days was performed on 125 Hybro broilers divided into five groups. All compounds for broiler feed mixes used in the experiment contained 0.15 mg Se/kg, in the form of sodium selenite. The control ...
Effect of vitamin E suplementation on the health status and production capabilities of high producing diary cows / Efekti korišćenja vitamina e na zdravstveni status i proizvodne sposobnosti kod visokomlečnih krava
(Fakultet veterinarske medicine, Beograd, Srbija, 2003)
Concerning the importance of vitamin E in the nutrition of high-producing cows, a review of the recent available literature was done (for its chemical characteristics, metabolism, content in the feedstuffs and the effects ...
Radiation-hygiene control of imported foodstuffs and cattle feed / Radijaciono-higijenska kontrola uvoznih namirnica i stočnih hraniva
(Fakultet veterinarske medicine, Beograd, Srbija, 2002)
The increasingly frequent use of nuclear energy in peacetime, experimental nuclear and thermo-nuclear explosions, as well as accidents in nuclear plants lead to an increased and unequal distribution of radioactive substances ...
Analysis of factors influencing estrus cycle in dairy cows / Analiza faktora koji utiču na tok estralnog ciklusa visokomlečnih krava
(Fakultet veterinarske medicine, Beograd, Srbija, 2003)
U radu je prikazana analiza učestalosti intervala između dva osemenjavanja u dva godišnja perioda, od 1. 4. 2001. do 31. 3. 2003. godine na farmi sa 500 crno-belih holštajn-frizijskih krava, sa proizvodnjom mleka od 5500 ...
Postpartum resumption of cyclic ovarian function, first estrus and re-conception and their relation to energy metabolism in high-producing dairy cows / Postpartalni nastavak ciklične funkcije jajnika, prvi estrus i ponovno oplođenje i njihov odnos prema metabolizmu energije kod visoko-mlečnih krava
(Fakultet veterinarske medicine, Beograd, Srbija, 2004)
In the last few decades a continuous increase was observed in average milk production of dairy cows all over the world. Simultaneously, however, a dramatic decrease was seen in reproductive performance. This tendency is ...