References in periodicals archive ?
2008) noted that F1 Montbeliarde x Holstein cows had shorter intervals from calving to first service than pure Holstein cows.
This study included field records on calving from Holstein heifers (first calving cows) that calved between 1993 and 2015.
The age at first calving has major implications for the lifetime production of a breeding suckler cow," she said.
As well as age at first calving, calving spread has a huge impact on calving interval.
Subsequent aerial surveys in 2007-09 revealed progressively lower numbers of breeding cows on a reduced fraction of the traditional Beverly calving grounds (Fig.
Earlier, dolphin calving was not detected as there was no dedicated research institute or researchers on dolphins in Abu Dhabi, senior officials told Gulf News.
Two of the Eugenie x Blackberet heifers have since been introduced into the flushing programme The Tweeddale herd has three main calving blocks, providing a year-round supply of pedigree bulls from their Limousin and Charolais herds.
Sex of calf and season of calving did not have a significant (P > 0.
It is best to provide single calving pen for individual pregnant animals to prevent cross infection.
Over the last few months we have been called to two or three calvings per day.
1999), and may be important to consider as influencing choice of calving habitat in Minnesota where black bear (Ursus americanus) and wolves (Canis lupus) occur.
Secondly, if a cow is zero-grazed for some of her life it does not mean she will not go outdoors--many go outside to exercise and spend up to three months outdoors before calving.