PMID: 1200935Sep 1, 1975Paper

Selenium-responsive unthriftiness of young merino sheep in Central Victoria

Australian Veterinary Journal
J W McDonald

Abstract

A trial was carried out to determine whether selenium responsive unthriftiness existed on a property in the Strathbogie ranges of Central Victoria where unthriftiness of young sheep has been a problem for 10 to 20 years. White muscle disease had been diagnosed on the property in the previous year and on other properties in the area. Eighty Merino ewes and lambs were allotted to one of 4 groups in a 2 x 2 factorial designed trial in which sodium selenite (0.1 mg/kg) was given orally to ewes and/or lambs at marking time and to treated lambs at 3 monthly intervals thereafter. Selenium treatment of the ewes had no significant effect on subsequent lamb performance. Selenium treatment of the lambs produced significant responses: mortality in treated groups was 0% compared with 17.5% in untreated groups; body weight gains were 1.9 kg higher at both weaning and one year of age in treated than in untreated lambs; mean fleece weight was 14.4% higher in treated lambs and they produced 39% more wool than the surviving untreated lambs.

References

Jan 1, 1968·New Zealand Veterinary Journal·E D AndrewsA B Grant
Nov 1, 1969·Australian Veterinary Journal·N H SchusterR W Campbell
May 1, 1966·Australian Veterinary Journal·M F PulsfordE A Irving
Oct 31, 1958·Science·O H MUTHJ R SCHUBERT

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Citations

Nov 1, 1992·Australian Veterinary Journal·J H Holmes
Apr 1, 1980·Australian Veterinary Journal·I W CapleC G Halpin

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