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Now showing items 11-20 of 26
Some important factors affecting fertility in sheep / Važniji faktori koji utiču na plodnost kod ovaca
(Institute for Animal Husbandry, Belgrade, 2012)
Efficiency of sheep production is conditioned by fertility. According to some authors number of offspring obtained per lambing is more important than gain of weight. Genetic relationships involving reproductive traits were ...
The influence of some factors on the production effects of Sjenica sheep
(Institute for Animal Husbandry, Belgrade-Zemun, 12-2023)
Gene expression at the phenotypic level varies due to a number
of influences from the environment in which the animals are reared. Ignoring this
reality or due to insufficient knowledge, farmers are often disappointed ...
Evaluation of genetic potential of sheep in different production systems / Procena gentskog potencijala ovaca u različitim proizvodnim sistemima
(Institute for Animal Husbandry, Belgrade, 2009)
Evaluation of phenotypic value of most present sheep breeds in Serbia is carried out as well as those populations which should have greater significance in the future. In this way, clear picture was obtained of strength ...
Genetic improvement of fertility in sheep by selection according to physiological parameters / Genetsko poboljšanje plodnosti ovaca selekcijom po fiziološkim kvantitativnim parametrima
(Institute for Animal Husbandry, Belgrade, 2007)
In this paper, fertility parameters of sheep are discussed and principles analyzed in order to obtain the optimal methods for their evaluation. Mathematical procedures for evaluation of genetic and phenotypic parameters ...
Opportunities and challenges for sustainable sheep production in Serbia / Mogućnosti i izazovi održivog razvoja ovčarstva Srbije
(Institute for Animal Husbandry, Belgrade, 2011)
This paper analyzes the present state of sheep farming in Serbia and provide guidance for sustainable development in the future. It also discusses the challenges of the modern age that may affect the viability of sheep ...
The influence of the factor 'Genetic value of the father' on the productive qualities of the Romanov breed sheep / Uticaj faktora 'genetska vrednost oca' na produktivne kvalitete romanovske rase ovaca
(Institute for Animal Husbandry, Belgrade, 2015)
Sheep farming plays an important role in the production of meat. Romanov breed is known for its high fertility and therefore is used all over the world due to increased production of lambs and lamb meat. Meat products are ...
The content of calcium, phosphorus and magnesium in the blood serum of sheep depending on the season and physiological state / Sadržaj kalcijuma, fosfora i magnezijuma u krvnom serumu ovaca po godišnjem dobu i fiziološkom stanju
(Institute for Animal Husbandry, Belgrade, 2014)
The large number of sheep, especially the ones that spend the majority of time on pastures, is been fed with the meals, which do not contain all the necessary mineral substances. The level of calcium, phosphorus and magnesium ...
The phenomenon of heterosis and experience in crossing different breeds of sheep in Serbia
(Biotechnology in Animal Husbandry, 2019)
Crossbreeding serves as a predictable and cost-effective method
to genetically increase lamb body weight by mating two or more breeds of sheep.
The crossing over breed comes to a far greater number of combinations of ...
Some aspects of improvement of grassland production for grazing of sheep / Neki aspekti poboljšanja produkcije travnjaka za ispašu ovaca
(Institute for Animal Husbandry, Belgrade, 2012)
Grasslands represent significant natural resource with important role in economy and ecology of every country. Properly cultivated and utilized grasslands provide cheap and high quality food for sheep, which they easily ...
Investigation of heritability and genetic correlations of milk traits in sheep / Ispitivanje heritabiliteta i genetskih korelacija osobina mlečnosti ovaca
(Institute for Animal Husbandry, Belgrade, 2005)
Considering that total variability of milk traits in sheep within single population greatly depends on factors of genetic nature, objective of this paper was to investigate the trend of genetics parameters in populations ...