Effects of dietary crude protein levels on growth rate, meat production, digestible nutrients and economic return of californian rabbits (Oryctolagus cuniculus) in Mekong Delta of Vietnam

Nguyen Thi Kim Dong and Truong Thanh Trung *

* Corresponding author (tttrung@ctu.edu.vn)

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Received: 15 Aug 2015
Revised: 15 Aug 2015
Accepted: 19 Feb 2016
Published: 28 Feb 2016
DOI: 10.22144/ctu.jen.2016.007
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Nguyen, T. K. D., & Truong, T. T. (2016). Effects of dietary crude protein levels on growth rate, meat production, digestible nutrients and economic return of californian rabbits (Oryctolagus cuniculus) in Mekong Delta of Vietnam. CTU Journal of Innovation and Sustainable Development , (02), 13-19. https://doi.org/10.22144/ctu.jen.2016.007
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No. 02 (2016)

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Abstract

A study was conducted at the experimental farm of Can Tho University in Vietnam. The aim of this study was to evaluate the effects of different dietary crude protein levels on growth performance and nutrient digestibility of growing Californian rabbits. Sixty Californian rabbits at 42 days of age were arranged in a complete randomized design with 5 treatments and 3 replications. Four rabbits including 2 males and 2 females were in one experimental unit. Five treatments were different protein levels of 15, 17, 19, 21 and 23%, respectively. The apparent nutrient digestibility and nitrogen retention of the rabbits was measured at 12 weeks of age in 7 days.  This experimental period was 12 weeks. The results of study showed that DM and ME intakes were not significantly different (P>0.05), however CP intake was significantly different (P 
Keywords: Rodents, nitrogen, carcass quality, nutrient digestibility, income

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