Comparative evaluation of voluntary feed intake (VFI) and average daily gain (ADG) of Flemish Giant, New Zealand White and California black growing rabbit breeds fed soya bean (Glycine max), Cowpea (Vigna unguiculata) and Pigeon pea (Cajanus cajan
1 Department of Animal Science and Wildlife Management, Southern University, P. O Box 60293, Livingstone, Zambia.
2 Department of Animal Science, Bunda College of Agriculture, University of Malawi, P.O Box 219, Lilongwe, Malawi.
Review Article
Magna Scientia Advanced Research and Reviews, 2023, 07(02), 033–039
Article DOI: 10.30574/msarr.2023.7.2.0036
Publication history:
Received on 28 January 2023; revised on 14 March 2023; accepted on 17 March 2023
Abstract:
Voluntary Feed Intake (VFI) and Average Daily Gain (ADG) of three rabbit breeds fed on pigeon pea (PP), cowpea (CoP) and soybean (SB) as sources of protein for growing rabbits were determined. Flemish Giant (FG), California Black (CB) and New Zealand White (NZW)) were fed soybean (Glycine max), pigeon pea (Cajunus cajan) and cowpea (Vigna unguiculata) as protein sources in the ration. Eighteen rabbits weaned at six weeks of age were used for each breed (a total of 54 rabbits) out of which six of them were assigned to Ration 1 (containing 31.6% SB), six rabbits to ration 2 (containing 72% CoP) and the last six to Ration 3 (containing 70.18% PP). The rabbits were randomly assigned to fifty four cages in a 3 x 3 factorial experiment. The three legume grains were roasted before rations were compounded. Raw Legume Grains (RaLG), Roasted Legume Grains (RoLG) and the three Rations (1, 2 and 3) were analyzed for tannin content (TC). TC was significantly (p<0.05) higher in CoP and Ration 3. Average daily feed intake (ADFI) was significantly (p<0.05) higher for FG. Rabbits fed SB based ration had significantly (p<0.05) higher growth rate than rabbits fed either CoP or PP based rations. Rabbits offered PP based ration demonstrated a significantly (p<0.05) higher growth rate than rabbits consuming the CoP based ration. Dressing-out percentage was significantly (p<0.05) higher for the FG than for either NZW or CB. The study revealed that SB and FG were superior legume and breed in terms of VFI and ADG, respectively. The study also showed that PP could successfully replace SB in rabbit rations without adversely affecting the VFI and ADG of rabbits.
Keywords:
Rabbit; Legume grains; Tannin content; Feed intake; Weight gain; Dressing-out
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