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Приказ резултата 11-20 од 25
Effect of peripartum dietary energy supplementation on thyroid hormones, insulin-like growth factor-i and its binding proteins in early lactation dairy cows / Uticaj energetskog dodatka u ishrani na koncentraciju tireoidnih hormona, insulinu sličnog faktora rasta-i i njegovih vezujućih proteina u krvi krava tokom rane laktacije
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2012)
The objective of this study was to examine the effect of dietary energy supplementation on hormones that are considered to be the main signals of a shift in energy balance around parturition. Sixty dry cows, 15 days before ...
Propylene glycol energy supplementation during peripartal period in dairy cows and reproduction efficiency parameters / Energetska suplementacija propilen glikolom tokom peripartalnog perioda i parametri efikasnosti reprodukcije kod mlečnih krava
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2012)
The aim of this work was to investigate the impact of two energy supplements based on propylene glycol in dairy cows diet on ovarian and follicular morphology, conception, insemination index and length of service period. ...
Relationship between the rumen infusoria color index and fertility indicators in Holstein Friesian cows / Odnos indeksa boje infuzorija iz buraga i pokazatelja plodnosti kod krava Holštajn frizijske rase
(Institut PKB Agroekonomik, Padinska skela, 2013)
The goal of our paper was to investigate how the rumen infusoria ecosystem stability, determined by infusoria color index by Lugol solution staining affects reproduction parameters of Holstein-Friesian cows. The results ...
Field trial on glucose-induced insulin response in high-yielding dairy cows under different environmental temperatures
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2017)
This study aimed to evaluate glucose-induced insulin response in cows exposed to different temperature-humidity index. Twenty early lactating Holstein-Friesian cows were divided into 2 equal groups based on season, as ...
Notice of clinical cases of dermatomycosis and papilomatosis at dairy cows / Prikaz kliničkih slučajeva trihoficije i papilomatoze kod visoko - mlečnih krava
(Institut PKB Agroekonomik, Padinska skela, 2013)
Dermatomycosis is well known skin disease of cattle. Clinically manifested dermatomycosis diagnosed in period from october to november in high pregnant heifers Holstein Friesian race in tied housing, and in dairy cows on ...
Influence of ovsynch-treatment on concentration of progesterone in blood serum and pregnancy rates after artificial insemination in cows [Einfluss einer Ovsynch-Behandlung auf die Progesteronkonzentrationen im Blutserum und Trächtigkeitsraten bei Kühen na
(Eugen Ulmer Gmbh Co, Stuttgart, 2014)
Fertiliy rate in high milk-yield dairy cows, with prolonged postpartum anestrus, was investigated after treatment by Ovsynch protocol. Thirty cows with follicular cysts or unovulated follicles (around 1.2 cm in diameter), ...
Reproductive efficiency in high-milking dairy cows after calving / Reproduktivna efikasnost visoko-mlečnih krava posle telenja
(Univerzitet u Novom Sadu - Poljoprivredni fakultet, Novi Sad i Naučni institut za ratarstvo i povrtarstvo, Novi Sad, 2011)
The aim of this work was to determine incidence of calving and postcalving reproduction disorders and their effect on the major parameters of cows reproductive efficiency at dairy farm in the R. Serbia. Total number of ...
Progesterone concentration in milk and blood serum and reproductive efficiency of cows after Ovsynch treatment
(Scientific Technical Research Council Turkey-Tubitak, Ankara, 2016)
An experiment was conducted to investigate the effects of hormonal synchronization of ovulation on progesterone concentrations in milk and blood serum and on reproductive performance. Sixty Holstein-Friesian cows averaging ...
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 ...
Preventing ectoparasite infestations reduces glucocorticoid concentrations in the hair of cows - short communication
(Akademiai Kiado Zrt, Budapest, 2018)
The aim of this study was to compare hair corticosteroid concentrations in ectoparasiticide-treated (n = 10) and non-treated (n = 12) Holstein cows. Animals in the treated group received cyfluthrin three times, on days 0, ...