Selenium and vitamin E for lambs with trichostrongylosis.

نویسنده

  • G M Horton
چکیده

Thirty-two 5-month-old Merino lambs were used to study the effects of trichostrongylosis on the utilization of a dystrophogenic diet after supplementat ion with vitamin E and selenium in a 2 • 2 factorial experiment. Lambs were infected with 50,000 Tricbostrongylus colubriforrnis larvae and received vitamin E (300 mg a-Tocopherol) and selenium (3 mg Se) per os every 14 days. Depressed feed intake per kg .75 (P( .05) , body weight changes (P~.01) and digestibilities of dry mat ter and nitrogen (P( .05) were noted in infected lambs. No significant differences in performance or feed utilization were observed in the supplemented vs non-supplemented groups. Phosphorus and calcium metabolism were adversely affected by infection with the nematode. The absorption of both minerals was depressed (P~.001) and was associated with~ hypophosphoremia and normocalcemia. These results show that neither intake nor digestibility was significantly improved in either infected or non-infected lambs fed a dystrophogenie diet following supplementat ion with selenium and vitamin E. (

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عنوان ژورنال:
  • Journal of animal science

دوره 45 4  شماره 

صفحات  -

تاریخ انتشار 1977