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A note on the effect of protein concentration in the diets of pregnant sows on the performance and carcass quality of their progeny

Published online by Cambridge University Press:  02 September 2010

R. M. Livingstone ,
R. M. MacPherson ,
F. W. H. Elsley ,
I. A. M. Lucas  and
G. A. Lodge
R. M. Livingstone
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
R. M. MacPherson
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
F. W. H. Elsley
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
I. A. M. Lucas
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
G. A. Lodge
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
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Extract

Livingston (1962) showed that high levels of dietary protein during pregnancy increased the mean thickness of muscle fibres of M. longissimus dorsi and M. psoas majoris in newly-born piglets. Livingston did not detect this effect in pigs killed at pork weight. Preliminary results of Elsley and MacPherson (1964) indicated that the concentration of dietary protein during pregnancy can influence the nitrogen content of newly-born pigs when birth weight is standardised to 1 kg. to reduce variation; subsequent results (Elsley, MacPherson and McDonald, unpublished data) did not confirm these findings. Any differences attributable to the nutrition of the pregnant sow which are present in the newly-born pig are of practical importance only if they are reflected in changes in subsequent performance.

Type
Research Article
Information
Animal Production , Volume 8 , Issue 2 , June 1966 , pp. 337 - 339
Copyright
Copyright © British Society of Animal Science 1966

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References

REFERENCES

Elcsley, F. W. H., & Macpherson, R. M., 1964. The effect of level of feed intake and dietary protein on the nitrogen retention of pregnant gilts. Anitn. Prod., 6: 295. (Abstr.)Google Scholar
Livingston, D. M. S., 1962. The effect of protein nutrition of the pregnant sow on the muscle fibre diameter of the young pig. Anim. Prod., 4: 296. (Abstr.)Google Scholar
Lodge, G. A., & Macpherson, R. M., 1961. Level of feeding during early life and the subsequent reproductive performance of sows. Anim. Prod., 3: 19–28.Google Scholar