ease of calving

ease of calving

thought to be an inherited trait due to pelvic canal dimensions in the dam, and fetal size in the sire. See also dystocia.
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Cows are put to bulls, half Charolais and half Angus, which are purchased for temperament, ease of calving, milk production and good feet, which is particularly important due to the former open cast land.
They have a different attitude towards evaluating their genetic propensity and give detailed consideration to ease of calving, pre-weaning performance, feed efficiency, carcass yield and quality," he said.
The attraction was their outstanding maternal abilities, ease of calving and large natural frames for high growth rates.
He said: "I've been breeding pedigree Charolais for 30 years, aiming to breed bulls for conformation and ease of calving.
Due to their ease of calving, hardiness and dramatic level of hybrid vigor when crossed with other cattle, they are sometimes used in crossbreeding programs to produce efficient, hardy range cattle.
Like road crews installing signposts on a long stretch of a highway, animal researchers are marking off regions of bovine DNA that will point the way to genes for a plethora of traits -- from ideal body shape, ease of calving, and disease resistance, to protein-rich milk for dairy products.
Today we run 30 suckler cows, mostly crossbred Aberdeen Angus and Simmentals, put to a Limousin bull for ease of calving.
It demanded positive action from dairy farmers in changing their target from ease of calving to the production of quality calves from proven beef bulls, he said.
The Lowline's ease of calving is important too, he adds: "If you lose stock at calving, that's your profit gone.
When it comes to selecting stock bulls, paying attention to EBVs, particularly growth rates, gestation length and ease of calving, are a useful measurement tool, but the animal has to be right in the first place.
Bulls that are proven for ease of calving could be selected and AI allowed for a known calving date.