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Comparative performance of spring and summer born lambs grazing two sward types

Published online by Cambridge University Press:  24 November 2017

L M Mitchell ,
M E King  and
C K Mackie
L M Mitchell
Affiliation:
The North of Scotland College of Agriculture , 581 King Street, Aberdeen AB9 1UD
M E King
Affiliation:
The North of Scotland College of Agriculture , 581 King Street, Aberdeen AB9 1UD
C K Mackie
Affiliation:
The North of Scotland College of Agriculture , 581 King Street, Aberdeen AB9 1UD
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Extract

There is increasing interest in the development of later lambing systems for crossbred ewes which more closely match ewe nutritional requirements with grass growth (Stone, 1988). Lambing a proportion of the flock during summer potentially ensures a better continuity of lamb supply. The objectives of the present trial were:

  • (i) to compare the growth performance of spring and summer born lambs grazing swards fertilised with a high level of nitrogen or oversown with clover and receiving no fertilizer nitrogen.

  • (ii) to investigate relative declines in midseason growth rates.

Type
Sheep Production
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1990 , March 1990 , pp. 162
Copyright
Copyright © The British Society of Animal Production 1990

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References

Stone, C. R. (1988). The management and performance of a flock lambed in May. Anim. Prod. 46:511 (Abstract).Google Scholar