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 ?
At Y Gyrn, a demonstration farm near Bala, Huw Roberts runs a Welsh Black suckler herd with an average calving index of 405 days.
Average SCC in the Holstein has broken the 200,000cells/ ml barrier and calving index has gone up to 424 days.
Feed costs per litre are lower than before, fertility is better as our calving index has dropped,' says Edward.