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Age at first conception of high yielding cows / Uzrast visokomlečnih krava kod prve oplodnje
(Institute for Animal Husbandry, Belgrade, 2011)
Black and White low land dairy cattle have very pronounced ability for high production of milk. Fertility is the major trait of cattle and key factor in successful milk production. Fertility traits have pronounced variability ...
Investigation of the genetic correlation between milk and fertility traits of first calving cows of Simmental breed / Ispitivanje genetske povezanosti osobina mlečnosti i plodnosti prvotelki simentalske rase
(Institute for Animal Husbandry, Belgrade, 2008)
Investigation of the production capacity of cattle for the purpose of increase of milk and milk fat production, as well as number of calves, greatly depends on phenotypic and genetic variability, heritability and correlation ...
Phenotypic correlations of productive and reproductive traits of Simmental cows / Fenotipske korelacije proizvodnih i reproduktivnih osobina krava simentalske rase
(Institute for Animal Husbandry, Belgrade, 2007)
Research included 3.461 first calving Simmental cows in control, with lactations concluded within one year. All first calving cows were reared by private/individual farmers on the territory of the Republic of Serbia. ...
The effect of bull sire provenance on production traits of Simmental cows / Uticaj provenijence bikova očeva na proizvodne osobine krava simentalske rase
(Institute for Animal Husbandry, Belgrade, 2017)
The aim of the present study was to obtain relevant results related to the basic indicators of fertility and milk yield of Simmental cows, in production conditions on farms of agricultural producers, using appropriate ...
Phenotypic correlation of traits of production and reproduction of simmental cows in different regions of serbia
(Institute for Animal Husbandry, Belgrade-Zemun, 2019)
The main goal of this research was to examine, using modern methods, the variability of phenotypic correlations of production performances and reproductive properties of Simmental cows reared on the farms of individual ...
Evaluation of the body condition of high yielding cows / Ocena telesne kondicije visokomlečnih krava
(Institute for Animal Husbandry, Belgrade, 2009)
Problems which relate to production, health and reproduction in herds of high yielding cows very often occur due to insufficient knowledge and monitoring of energy reserves in cow organisms. Many researches and practical ...
Influence of lactation order and live weight on milk yield and fertility traits in domestic Balkan goat / Uticaj laktacije po redu i telesne mase na prinos mleka i osobine plodnosti domaće balkanske koze
(Institute for Animal Husbandry, Belgrade, 2010)
The goal of investigation in the domestic Balkan goat was to establish the effect of body weight and lactation number on milk yield and fertility. Research was done in herds belonging to private farmers, during a one-year ...
The effect of breeding region on certain fertility parameters of Simmental cows / Uticaj odgajivačkog područja na pojedine parametre plodnosti krava simentalske rase
(Institute for Animal Husbandry, Belgrade, 2008)
Field of cattle reproduction is the most important production stage because it is in this stage that heads of cattle for renewal of herd are provided, also for production of milk and fattening, i.e. production of meat. In ...
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 effect of genetic and non-genetic factors on production traits of Simmental cows / Uticaj genetskih i negenetskih faktora na proizvodne osobine krava simentalske rase
(Institute for Animal Husbandry, Belgrade, 2014)
This study covered 737 controlled first calving Simmental cows with, lactations concluded within one year. All first calving animals were on the farms of individual farmers in the municipalities of Kragujevac and Mladenovac. ...