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Asian-Australas J Anim Sci > Volume 14(5); 2001 > Article
Asian-Australasian Journal of Animal Sciences 2001;14(5): 608-614. doi: https://doi.org/10.5713/ajas.2001.608
The Effect of Castration on Growth and Body Composition of Javan Rusa Stags
R. Sookhareea, K. B. Woodford, G. McL. Dryden
  Published online May 1, 2001.

The effects of castration on growth and body composition of Javan rusa (Cervus timorensis russa) stags were examined at three slaughter ages in three experiments. Castration had no effects on growth rates, or liveweights at periodic weighings, at any stage in Experiments 1 and 2, when the stags were slaughtered at 19 and 13 months of age, respectively. In Experiment 3, monthly liveweights of castrated and entire stags were not significantly different until the stags were 21 months old. From this age, when they had recovered from their first rut season and were in their second spring/early summer, the entires grew more rapidly than the castrates. There were seasonal changes in growth in both treatments, indicating that pasture conditions influenced performance. Liveweights of entires and castrates were similar in stags slaughtered at 13 and 19 months, but castrates were smaller than entires at 25 months. Castration reduced the size of the head and skin, but there was little important effect of castration on body components at any slaughter age. Castration can be recommended as a management tool for rusa stags, especially if the animals are to be slaughtered before they exceed 19 months of age.
Keywords: Rusa Stags;Castration;Growth;Body Composition
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