Partial replacement of soybean meal with some medicinal plant seed meals and their effect on the performance of rabbits
2007
El-Tohamy, M.M. (National Research Center, Giza (Egypt). Dept. of Animal Reproduction) | El-Kady, R.I. (National Research Centre, Giza (Egypt). Dept. of Animal Production)
A total number of 60 males of New Zealand White rabbits were weighed and randomly divided into 5 equal groups to study the effects of using radish, rocket, black cumin and a mixture of these meals at 50% crude protein level as a replacement of soybean meal on growth performance, digestibility, carcass yield and economic evaluations. Each group received experimental diets containing nearly equal ratio of calorie: protein ratio (C:P) under the same managerial conditions. Analysis of radish (Raphanus sativus), rocket (Eruca sativa) or black cumin (Nigella sativa) meals indicated that they contained reasonable amount of protein and nitrogen free extract. Significant increment of daily body gain, daily feed intake, feed conversion, apparent digestibility of nutrients, feeding values and carcass characteristics with radish, rocket and mixed diet and significant decrease by black cumin diet compared to the control diet. Caecum and stomach pH were not affected by different diets, showing better feed utilization for these treatments. Relative economic efficiency improved by inclusion of radish, rocket and mixture meal diets. However, black cumin meal gave the lower economic efficiency as compared to the control group. It was concluded that radish, rocket seed meals or mixture of these meals could be used for partial replacement up to 50% of soybean meal protein to improve their performance with best economical return.
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