Tejelő szarvasmarha állományokban az ellést követő időszak, a laktáció első heteiben a tejtermelés és annak energiaszükséglete gyorsabban emelkedik, mint az állat szárazanyag felvevőképessége. Az ellés körüli időszak ...

Over the last fifty years a decline in fertility in high yielding Holstein dairy cattle is observed as well as a steady incline of the stillbirth rates during the last years is detectable, especially in Holstein-Friesian ...

Due to the higher milk yield and thus shorter estrus and lower fertility, the heat of the Hungarian Holstein cow is more difficult to detect and needs a higher amount of AI/ pregnancy as the Swiss dairy cows. Contributing ...

The primary goal of this report was to select and determine a suitable on farm method for future measurements and recordings of intrauterine pressure in Caesarean section Holstein- Friesian cows postpartum, something that ...

The calf management on the farm is generally of a good standard. There are proper management systems in place with regard to both nutrition and housing of the calves and heifers. Considering feet, leg disease and injury, ...

Parturition and the periparturient period are stressful on both the dam and the calf. These changes in acid-base status and metabolic parameters can predispose the dam and the calf to disease and may even lead to death. ...

The main objective for conducting this survey was to find out if congenital atresia is more prevalent than presumed. The findings coincided with previous studies based on this subject. In a questionnaire based cross ...

In summary, data was collected on 157 newborn calves and their dams (79 calves in 2006 and 78 in 2007) and the Temp, pH, pCO2, pO2, HCO3, ABE, Anion gap, SAT Na+, K+, Ca++, Cl-, Hb, Hct were determined. This data was ...

Over the last fifty years a decline in fertility in high yielding Holstein dairy cattle is observed as well as a steady incline of the stillbirth rates during the last years is detectable, especially in Holstein-Friesian ...