Abstract
The evaluation of breeding and fertility potential of animals demands understanding of basic morphometric characteristics of their reproductive organs which, among other factors, may be affected by nutrition. This study was conducted to assess the effects of feeding graded levels of watermelon rind and wheat offal as absorbent on morphometric characteristics of the reproductive organs of Hyla rabbits. Forty-five Hyla rabbits of both sexes (15 bucks and 30 does) with nine animals per treatment (3 bucks and 6 does in each treatment) in a completely randomized design were randomly assigned to the dietary treatment containing 0 %, 10 %, 20 %, 30 %, and 40 % of watermelon rind and wheat offal. The data collected included weight and length of the reproductive tract of the rabbits. The morphometric characteristics of reproductive tract of the rabbits were not significantly affected by the dietary treatment, however, there were significant effect (p > 0.05) of the dietary treatment on the weight of the left oviduct, paired oviduct, and the paired ovary of the rabbits. The experimental diets significantly affected (p < 0.05) penis length and width, the right spermatic cord and the length of the right scrotal. The diets had no significant effect (p<0.05) on the weight of reproductive tracts of buck except on the paired spermatic cord. The experimental diets can be a good alternative for the highly competitive and costly grains in the diet of Hyla rabbits without any adverse effect on the growth of reproductive organs and consequently on the fertility and other activities related to reproduction of Hyla rabbits. Keywords: morphology, rabbits, reproduction, watermelon rind, wheat offal
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