The Effect of Various Hormone Implants on Fattening Lambs

Jordan, R. M.; Croom, H. G.

doi:10.2527/jas1956.1541003x

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1957

1968

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“…Earlier workers (Jordan and Croom, 1956;Preston and Gee, 1957) have shown that the subcutaneous implantation of the synthetic hormones, hexoestrol and stilboestrol have a marked effect in increasing the rate of live-weight gain, in animals so treated. The results of the present trial clearly confirm this.…”

Section: Discussionmentioning

confidence: 99%

Hexoestrol implantation of Blackface wether lambs

Armstrong¹,

Cameron²

1959

Anim. Sci.

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1. Sixty-four Blackface wether lambs, weaned some 8 days previously from the hill were divided into two similar groups. One group of lambs was implanted with 15 mg. hexoestrol.2. The treated lambs had gained an average of 2·32 lb., and 3·88 lb. live-weight more than the control group, after 4 and 7 weeks respectively.3. The mean carcass weight of 23 hexoestrol-implanted lambs was 1·5 lb. greater than that of the same number of untreated lambs.4. Carcass grading provided no evidence of a deterioration in quality as the result of hexoestrol implantation.5. Light lambs responded at least as well as heavy lambs to the hormone.

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Section: Discussionmentioning

confidence: 99%