Received: 24-04-2014
Accepted: 27-06-2014
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Effects of Levels of Energy, Protein and Fiber in the Diet on Growth and Feed Conversion Efficiency in New Zealand White Growing Rabbits
,
Tran Hiep
2
,
Nguyen Xuan Trach
2
Keywords
Energy, fiber, growth, New Zealand rabbits, protein
Abstract
An experiment was conducted to investigate effects of levels of energy, protein and fiber in the diet on growth and feed conversion efficiency in New Zealand White growing rabbits fed with green forages available in North Vietnam. A total of 125 growing rabbits at 6 weeks of age were randomly divided into 25 groups of 5 each to be fed with diets containing different levels of energy, protein and fiber by means of varying the ratio between fiber rich grasses (elephant, setaria or para grass) and protein rich foliages (water spinach vine, sweet potato vine or gigantea leaves) in the basal diets. Results of regression analyses on nutrient-response curves showed that the levels of energy, protein and fiber in the diet strongly affected growth rate and feed conversion efficiency of the rabbit. It was suggested that a diet using local feed resources for New Zealand White growing rabbits should contain 2106-2162 Kcal ME/kg, 16.52-16.75% CP, and 21.86-22.42% ADF in its dry matter.
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