Effects of selenium and iodine supplementation on ...
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| Title | Effects of selenium and iodine supplementation on the growth rate, mohair production, and thyroid status of Angora goat kids |
| Author(s) | J. Wichtel, K. Thompson, A. Craigie, N. Williamson |
| Journal | New Zealand Journal of Agricultural Research |
| Date | 1996 |
| Volume | 39 |
| Issue | 1 |
| Start page | 111 |
| End page | 115 |
| Abstract | The effect of supplementation with selenium and/or iodine on growth rate, mohair production and plasma concentrations of thyroid hormones in goats was studied. Male Angora goats, 3-4 months old, were treated with 0 or 1 intraruminal Se pellet, or treated intramuscularly with iodized oil at 0, 200 or 400 mg I in a 2 x 3 factorial design. Concentrations of Se and I in the lucerne diet were 0.02 and 0.09 mg/kg DM, respectively. Supplementary Se increased (P<0.05) liveweight gain by 26% during the final month of the study, but mohair growth was not affected by either treatment. Plasma concentration of total thyroxine was increased (P<0.001) by I treatment but decreased (P<0.001) by Se. Plasma total triiodothyronine was reduced (P<0.001) by I treatment but unaffected by Se. Thus Se supplementation improved liveweight gain but I had no effect on growth. Se and I treatment together altered thyroid hormone concentrations, but Se x I interactions were not significant.. |
| ISSN | 0028-8233 |
Using APA 6th Edition citation style.
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