1. The cow had difficulties calving.

2. They usually require close management during calving.

3. Our cows will be calving soon.

4. However, breeders have been taking steps to reduce calving problems and also to breed longer, taller animals.

5. Nobody knew more about lambing and calving than a veterinary surgeon so he was invited to instruct.

6. It is an early-maturing breed, capable of calving at two years old.

7. Autumn calving presumes mating in early to mid Winter, the worst possible period for this exercise.

8. Time of calving varies with class of country.

9. Warm winters, however, may allow iceberg calving and high flow rates to continue.

10. Glaciers such as Jakobshavn are calving icebergs much faster than scientific models had predicted they would.

11. The walk should only be undertaken from June 1 until October 31 so that the vitally important calving and lambing seasons remain undisturbed./calving.html

12. So why was he fired for putting a chart of caribou calving areas on the internet?

13. Because of the long gestation and lactation periods, the interval between calving is usually at least two or three years.

14. His wife had invariably been to lambing and, sometimes, calving courses.

15. At the range gate, I saw the cow suffering from calving.

16. Low dosage gonadotropic hormone was applied to induce of double calving on this paper and the factor of success was analyzed.

17. Elephant seal cows—as many as 6, 000 in October, at the height of their calving season—add to the crush at St. Andrews Bay.

18. Darwin came here on the Beagle and noted that the sound of calving bergs "reverberates like the broadside of a man-of-war through the lonely channels."

19. A baby boom has given a lift to the endangered North Atlantic right whale, with a near-record number of births in the just-ended calving season, according to researchers at the New England Aquarium.

20. Feeding anionic diet to multiparous pregnant cows at 3-5 weeks before calving is currently efficient method to prevent postpartum fever.