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Effect of decreased body reserves of vitamin E on the reproduction of goats^*

Iowa State College

Abstract

1. Milk, butterfat, muscle or adipose tissue, obtained from goats restricted for one or more generations to a ration in which vitamin E had been effectivelydestroyed, when fed in large quantities to avitaminosis-E sterile rats produced resorption gestations typical of an insufficiency of this factor.
   
2. Conversely, much smaller quantities of similar materials obtained from goats reared under usual farm conditions, gave positive tests for vitamin E. The substances tested from all sources were handled in the same manner, stored under essentially the same conditions for approximately the same length of time.
   
3. Restricting goats to an avitaminosis-E regime for extended periods of time markedly decreased the quantity of vitamin E in their milk and certain of their tissues without any apparent deleterious effect on their reproduction.
   
4. The results obtained demonstrate and confirm our previous conclusion that goats do not require rations supplemented with vitamin E to insure satisfactory reproduction.
   

^* Journal Paper No. J-594 of the Iowa Agricultural Experiment Station, Ames, Iowa. Project 44.