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Приказ резултата 11-20 од 21
The effect of systematic factors on milk yield in Simmental cows over complete lactations / Uticaj sistematskih faktora na mlečnost krava Simentalske rase u celim laktacijama
(Institut za stočarstvo, Beograd, 2009)
The effect of systematic factors on production traits over complete lactations was investigated in 2,805 Simmental cows born in 1982 and onwards. The cows were housed at three farms in different areas: at the Zlatiborski ...
The correlation between colony strength, food supply and honey yield in honey bee colonies / Korelacija između snage, zaliha hrane i prinosa meda kod pčelinjih društava
(Institut za stočarstvo, Beograd, 2009)
The dependence between traits is determined by the correlation coefficients. The experiment was conducted using two generations of honey bee. The first generation consisted of the mother queen bees, and the second were ...
The effect of different levels of organic selenium on broiler slaughter traits / Uticaj različitih nivoa organskog selena na klanicne osobine brojlera
(Institut za stočarstvo, Beograd, 2009)
The effect of different levels of organic selenium (selenized yeast) on slaughter meat traits of fattening chickens (broilers) was investigated. Trial was carried out on 120 Hybro-PN chickens divided into four groups, in ...
Productivity and quality of plant mass of meadow ASS: Danthonietum calycinae depending on the fertilization and utilization time / Produktivnost i kvalitet biljne mase livadske ASS - danthonietum calycinae u zavisnosti od đubrenja i vremena iskorišćavanja
(Institut za stočarstvo, Beograd, 2009)
Research was carried out on mountain Kopaonik, on two associations Danthonietum calycinae (1000 and 1500 m above sea level), in the period from year 2003 to 2004. Production of grassland depending on the fertilization (1. ...
Somatic cell count in Simmental breed cows milk from family farms according to the order of lactation and lactation stages / Broj somatskih ćelija u mleku od krava simentalske rase sa porodičnih farmi prema laktaciji po redu i stadijumu
(Institut za stočarstvo, Beograd, 2009)
Simmental breed cows although being dominant breed at the family farms in Croatia are not yet sufficiently adapted to the machine milking due to their improper udder index. The aim of this study was to determine the somatic ...
Influence of performance test traits of gilts on variability of their reproductive performance as primiparous sows / Uticaj proizvodnih osobina u direktnom testu nazimica na varijabilnost njihovih reproduktivnih osobina kao prvopraskinja
(Institut za stočarstvo, Beograd, 2009)
Objective of this paper was to establish genetic and environmental factors which influence the variation of reproductive parameters in primiparous sows with special focus on how selection on growth traits and lean meat ...
The effect of scope of analyzed data on accuracy of selection indices for evaluation of sow breeding value / Uticaj obima analiziranih podataka na tačnost selekcijskih indeksa za procenu priplodne vrednosti krmača
(Institut za stočarstvo, Beograd, 2009)
Objective of this paper was to establish to what extent the accuracy of constructed selection indices will be changed depending on the scope of analyzed data relating to fertility based on which parameters necessary for ...
Evaluation of the body condition of high yielding cows / Ocena telesne kondicije visokomlečnih krava
(Institut za stočarstvo, Beograd, 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 ...
Production characteristics of distinguished honey bee lines from different parts of Serbia / Proizvodne osobine izabranih linija pčela sa teritorije Srbije
(Institut za stočarstvo, Beograd, 2009)
For apicultural practice the productive traits of bee colonies are of great significance, since it is related to different geographical bee breeds. For the purpose of preservation of existing populations and natural diversity ...
Welfare and biosecurity indicators evaluation in dairy production / Procena indikatora dobrobiti i biosigurnosti u gajenju goveda
(Institut za stočarstvo, Beograd, 2009)
Evaluation of welfare and biosecurity indicators: (1) management, planning and organization of welfare protection and biosecurity, (2) personnel capacities in providing welfare and biosecurity, (3) breeders attitude towards ...