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Prikaz rezultata 41-50 od 468
Evaluation of the metabolic status of Simmental dairy cows in early and mid lactation
(Polska Akad Nauk, Inst Genetyki I Hodowli Zwierzat, Mrokow, 2013)
Fifteen early-lactation cows and 15 mid-lactation cows were chosen for the analysis. Blood samples were collected to measure the beta-hydroxybutyrate (BHB), non-esterified fatty acids (NEFA), triglycerides (TG), glucose ...
Causes of cow culling in the tie stall system / Uzroci izlučenja krava u vezanom sistemu držanja
(Institute for Animal Husbandry, Belgrade, 2012)
Causes for cow culling in a tie stall system were investigated on a sample of 3060 cows culled in 2011, on seven large dairy farms in the Belgrade region. The total level of culling was 34.58% of the average number of cows. ...
An assessment of dairy farm structure and characteristics of dairy production systems in Serbia / Procena strukture mlečnih farmi i karakteristika sistema za proizvodnju mleka u Srbiji
(Institute for Animal Husbandry, Belgrade, 2012)
In order to have a more precise description of dairy farm structure and characteristics of dairy production systems, as well as to assess possibilities for improving production and farming conditions in which milk production ...
Study of cows’ behaviour and welfare on dairy farms in Serbia
(https://acta.mendelu.cz/media/pdf/actaun_2019067040973.pdf, 2019)
Modern methods for assessing the welfare of dairy cows are, among other things, often based on the evaluation of animal behaviour. In this regard, behaviour is classified as the most reliable, so‑called animal‑based indicator ...
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 ...
Production potential of first calving Simmental heifers in Serbia / Proizvodni potencijal prvotelki simentalske rase u Srbiji
(Institute for Animal Husbandry, Belgrade, 2011)
Cattle production in Serbia, and especially milk production, contributes significantly to the value of total agricultural production (20%) and livestock production (45%). Achieved annual rate of milk yield increase of ...
Lifetime production of high-yielding dairy cows / Životna proizvodnja visokomlečnih krava
(Institute for Animal Husbandry, Belgrade, 2014)
Lifetime milk production is a key success factor in fulfilling the production potential of high-yielding cows. Lifetime milk production traits are pronouncedly variable. The life expectancy and the length of productive ...
Modelling Nutritional Requirements of Growing Pigs from Local Breeds Using InraPorc
(MDPI Open Access Journals, 2019)
Models such as InraPorc enable the growth of pigs to be simulated and their nutrient
requirements to be determined. However, so far, these models have not been applied to local breeds.
We used InraPorc to determine the ...
Nutrient Composition of Three Mangulica Pork Cuts from Serbia
(Humana Press Inc, Totowa, 2018)
The purpose of this study was to analyze and evaluate the levels of essential elements (Mn, Fe, Cu, Zn, and Se) and proximate composition (moisture, protein, fat, and ash) of three pork cuts (loin, hind leg, and shoulder) ...
Effects of intensity of light and stocking density on broiler body weight and yield of valuable carcass parts / Efekti intenziteta svetlosti i gustine naseljenosti na telesnu masu i prinose vrednijih delova trupa brojlera
(Institute for Animal Husbandry, Belgrade, 2018)
In order to determine the effect of intensity of light and stocking density, as well as the interaction of light intensity x stocking density on body weight and individual carcass traits, an experiment was performed on ...