The aim of this study was to evaluate the effects of GnRH, LH, hCG or exogenous progesterone administration on plasma progesterone concentrations and pregnancy rates following embryo transfer in Bos taurus x Bos indicus cross-bred heifers. In Experiment 1, animals with body condition scores 3.5 (1 to 5 scale) were synchronized with two injections of a prostaglandin F2 analog 13 days apart. He...

The article presents the results of a biochemical and morphological analysis pure blood cross-bred sheep Edilbaevsky breed, born in different seasons year. parameters animals studied groups by us were within physiological norm, but there some differences between groups. It was found that redox processes body cross-breed group more intense than peers same group, which turn affected higher indica...

BACKGROUND The aim of this study was to investigate possible cross-infection of Dichelobacter nodosus in Norwegian farms practising co-grazing of sheep and cattle. METHODS Thirteen farms practising co-grazing of sheep and cattle were included in this descriptive study: five farms with a history of severe ovine footrot (Group I) and eight farms with free-stall housing of cattle and signs of mi...

Farm trials were conducted to determine if the calving rate was different for control cows inseminated with frozen semen at estrus in comparison to cows treated with progesterone for 12 days and bred at the ensuing estrus. Intravaginal silastic coils impregnated with progesterone were used and an injection of 5 mg estradiol benzoate and 50 mg progesterone in corn oil was given at the time of in...

Profiles of blood metabolites have widely been used as part of a multidisciplinary approach to identify metabolic disorders in dairy herds. Our goal was to identify constraints on productivity of cross bred HF herds and set up baseline hematologic and serum biochemical values. The values were determined in pre-parturient cross bred Holstein Friesen (HF) cattle of Nepal. The study was carried ou...

An on-line solid-phase extraction method linked to inductively coupled mass spectrometry (ICP-MS) has been developed for the determination of low levels of uranium and thorium in environmental samples. The hyphenation of lab-on-valve (LOV) and multisyringe flow injection analysis (MSFIA), coupled to an ICP-MS, allows the simultaneous determination of thorium and uranium in different types of en...