calving


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calving

[′kav·iŋ]
(geology)
The breaking off of a mass of ice from its parent glacier, iceberg, or ice shelf. Also known as ice calving.
(vertebrate zoology)
Giving birth to a calf.
References in periodicals archive ?
An alternative explanation for the relationship between calving site fidelity and reproductive success that we observed might be that our methodology for identifying potential calving sites was in error.
Predicted calving dates can only be determined by pregnancy diagnosis (unless AI has been used) and SAC Consulting strongly urges producers who have not already had their herd pregnancy diagnosed to do so as quickly as possible.
We're in the tail-end of calving now and this is the time when the Moocall is of most use to me," said Mr Tudor "With just a few cows left to calve, and plenty of other work to do on the farm, I'm not around the yard watching them so much.
The indications of the calving season were found for the first time thanks to a detailed survey in Abu Dhabi waters, which recorded 138 dolphins of two species.
Tweeddale Invincible had a Terminal Index and Calving Ease EBV in the top 10% of the breed.
After the preliminary restrictions and eliminations pertinent to each trait such as calving interval of 300 d through 600 d, 276,573 cows remained that were born from 1998 to 2004 at lactation that calved from 2000 to 2010.
Table 1 shows the effect of sex of calf, parity of cow and season of calving on birth weight, weaning weight at 7 months and pre-weaning average daily gains (from birth up to 7 months) of the Friesian x Sanga calves.
At this time of the year we tend to be very busy with calvings.
This table shows that there is a significant increase at 48 and 72h after birth in contrast with 24h after and at birth time in males; and in females we have a significant increase in zinc levels in all times in contrast with birth time; Also except the calving time significant increase are seen in female calves in contrast with males (p<0.
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.
One of the first signs of approaching calving is development of her udder.