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The Effect of Hive Volume on Efficiency and Strength Conservation and Restoration of Food Supplies During the Wintering in Langstroth Hives
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
The influence of volume of the hive on wintering, colony strength and food supply was observed during the three-year period. Standard LR hives were used for the experiment. Colonies were tested based on the number of hive ...
Simmental Breed Production Characteristics and Breeding Goals
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
This paper presents the most important production results obtained for the population of Simmetal breed raised in majority of the European countries which with a total population of about 9 million animals rates as the ...
Combines Work Quality in Maize Silage Production
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
The paper presents testing results of three silage combines employed in maize silage preparation in Toplica region. It is focused on determination of technical working parameters of tested machines. Achieved results verified ...
Supplementary Feeding of Grazing Dairy Cows
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
The objective of this paper was to consider the effect of supplementary feeding of grazing dairy cows on dry matter intake (DMI), milk production and milk composition. Accurate estimations of total DMI and pasture DMI are ...
Estimation of the Variance Components of the Sow Litter Size Traits Using Reml Method - Repeatability Model
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
Variance components for sow litter size traits were estimated using the REML method. Number of live born piglets (NBA), number of still born piglets (NSB), number of total born piglets (NTB) and number of weaned piglets ...
Effects of Inorganic and Organic Selenium Supplementation on Blood and Milk Selenium Concentration in Dairy Cows
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
Selenium is an important trace element in the nutrition of dairy cows because it prevents oxidative damages of tissue and in that way protects the animals from the incidence of various disorders. Addition of various levels ...
Protein Level and Efficiency of Feed Mixture for Common Carp (Cyprinus Carpio)
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
The quality of fish feed and its nutritional value are important for fish production. From an economic point of view it is vital to ensure a cheaper final product while from the nutritional aspects it is essential to fulfill ...
Organic Lamb Meat Production in Serbia Based on Autochthonous Zackel Breed: Opportunities and Challenges
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
The global growing tendency of lamb and mutton meat production has been emphasized. The fastest growing meat production industry on a global level is lamb and mutton meat production. Lamb meat production increase is primarily ...
Relationships Between the Uterus Horns Length and Puberty Attaintment in Gilts
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
Intensive pig production represents one of the basic requirements in order to fulfill conditions necessary to achieve the effective reproduction or to timely provide sufficient number of good pregnant gilts in order to ...
The Effect of the Use of Sexed Semen on Reproductive Traits and Sex Ratio of Black and White Calves
(International Symposium on Animal Science 2014, 23-25th September 2014, Belgrade, Serbia, 2014)
Sperm sexing is a relatively new biotechnological procedure which offers us the possibility to choose the offspring sex. This method is widely used today in the insemination of the dairy cattle breeds and it is based on ...