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Now showing items 31-40 of 386
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 ...
Comparative study of wood betony (Stachys officinalis L) melliferousness in different habitat conditions / Komparativna analiza medonosnosti ranilista (stachys officinalis l.) U različitim uslovima staništa
(Fakultet veterinarske medicine, Beograd, Srbija, 2005)
Nectar production in wood betony (Stachys officinalis L), grown under differ-microclimatic habitat conditions (forest and experimental field), was analyzed. Study of tar production included determining of the total daily ...
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 ...
The first occurrence of Chabertia ovina in wild swine
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1997)
Wild swine hunted in the forest near Bački Monoštor were examined by pathoanatomical section. The following nematode species were found in the large intestine: Chabertia ovina, Trichostrongylus suis, Globocephalus urosubulatus, ...
A study of the sex ratio of the ticks (Acarina, Ixodidae) of Serbia
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1996)
A study of the sex ratio of the ten tick species in West, East and South-East Serbia between 1984. and 1990. revealed the following: the relative number of each sex was significantly different from the expected one (1:1) ...
Historical overview of methods for sex determination in birds / Istorijski pregled metoda determinacije pola ptica
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2016)
Determining the sex in birds is very difficult, primarily because over 50% of species is monomorphic (no morphological differences between the sexes). Before the application of molecular genetic methods, there were used ...
Salmonellosis in poultry breeding in view of introducing vaccination / Salmoneloza u živinarstvu u svetlu uvođenja vakcinacije
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2009)
With the increased demand of consumers for safe poultry products, efficient control of pathogenic microorganisms that cause diseases in humans is becoming the chief challenge in contemporary poultry production. Poultry ...
Following changes in total number of mesophilic bacteria and torry meter readings in samples of fresh trout packaged in modified atmosphere and vacuum / Praćenje promena ukupnog broja mezofilnih bakterija i torimetrijske vrednosti u uzorcima sveže pastrmke upakovane u modifikovanu atmosferu i vakuum
(Faculty of Veterinary Medicine, Belgrade, 2011)
Today, food must be healthy, subjected to minimal processing, and attractively packaged, as the expectations of consumers are ever higher. Consumers are highly sensitive to the use of additives in the food industry. There ...
Plasma thyroxine and triiodothyronine levels after induction and synchronization of estrus in the anoestrous season in ewes
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 1997)
The thyroid hormonal status of ewes after induction and synchronization of estrus in the anoestrous season was investigated by determination of plasma triiodorthyronine (T 3 ) and thyroxine (T 4 ) concentrations using ...
Genotoxic potential of nonsteroidal hormones / Genotoksični potencijal nesteroidnih hormona
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2015)
Hormones are cellular products involved in the regulation of a large number of processes in living systems, and which by their actions affect the growth, function and metabolism of cells. Considering that hormones are ...