Growth performance of captive-bred juvenile male grasscutters (Tyonomys swinderianus temminck 1827) fed two common grasses in Nigeria

Ogunjobi, J. A.; Adu, B. W.; Jayeola, O. B.
February 2014
International Journal of AgriScience;Feb2014, Vol. 4 Issue 2, p119
Academic Journal
Comparative effect of wilted Elephant Grass (EG) and Gamba Grass (GG) parts (stem and leaf) commonly found in Nigeria and supplemented with concentrate on the growth performance of captive-bred juvenile male grasscutters was studied in a 2 × 2 factorial arrangement (two grass species and two plant parts) for 120 days. In this study, twenty-four juvenile males (JM) with mean live-weight of 410±2.11g were assigned to four dietary treatment combinations: Elephant grass stem (EGS), Elephant Grass Leaf (EGL), Gamba Grass Stem (GGS) and Gamba Grass Leaf (GGL) in a completely randomized design and three replicates (2 animals per replicate). Data considered were feed intake (FI), feed conversion ratio (FCR), weight gain (WG), nutrient digestibilities of dry matter (DM), crude fibre (CF). Average daily feed intake (FI) in JM was significantly (p<0.05) higher in experimental animals fed with GGS (107.23g/d) and EGS (106.21g/d) relative to GGL (105.89g/d) and EGL (105.14g/d). EGL exhibited higher (4.45g/d) WG and lowest (23.69) FCR. JM fed EGL recorded highest digestibility of DM (85.64%) and CF (83.84%), respectively. Grass species and parts interaction showed significant variation (p<0.05) on FI, DM and CF of the animals when fed EGL. It was evident that EGL was maximally utilized by captive-bred juvenile male grasscutters for growth performance hence, feeding of captive male grasscutters with EGL as basal food for table meat production is recommended.


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