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Subject: Animal Nutrition × Start date: 2006 × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    EVALUATION OF SELECTED TREE LEAVES AS RUMINANT FEEDSTUFF BY IN VITRO AND IN VIVO METHODS
    (KARNATAKA VETERINARY, ANIMAL AND FISHERIES SCIENCES UNIVERSITY, BIDAR - 585 401, 2018-07) GIRIDHAR, K. S.; Dr. T. M. PRABHU
    Sesbania grandiflora, Melia dubia, Dillenia sp., Artocarpus heterophyllus, Commiphora caudata, Moringa oleifera, Leucaena leucocephala and Acacia auriculiformis leaves were selected for in vitro evaluation. The CP was more in Moringa oleifera. NDF and ADF higher in Dillenia and ADL in Acacia auriculiformis. CT was more in Artocarpus heterophyllus and saponin in Acacia auriculiformis. The Ca:P ratio was wider. ME was higher in Melia dubia lower in Dillenia sp. Addition of PEG improved the ME, D and k values. Effective and potential degradability of nutrients in Moringa oleifera, Melia dubia and Sesbania grandiflora were higher. The CP was positively correlated with ME, RIVIGP and in situ degradability. NDF, ADF, ADL, TP, TT and CT were negatively correlated with ME, RIVIGP, IVDMD and in situ degradability. In vivo feeding trial of 5 m duration was conducted using twenty four male lambs of were selected and divided into four groups comprising six in each group. T1 (control) fed with maize hay and CFM while in other three groups, 25% of maize hay was replaced with S. grandiflora (T2) or M. dubia (T3) or Dillenia sp.(T4) tree leaves. The proportion of CFM in T1 (48.25%) was significantly (P<0.05) higher. Tree leaves intake (g/d) for T2, T3 and T4 groups were 84.22, 87.89 and 76.77, respectively. DMI (g/d) for T1, T2, T3 and T4 groups were 693.4, 731.3, 749.6 and 736.4, respectively. ME intake and CP intake for T1, T2, T3 and T4 groups were 8.13 and 73.78; 8.28 and 81.9; 8.57 and 81.72; and 8.11 and 75.85, respectively. ADG (g) for T1, T2, T3 and T4 were 93.24, 103.80, 102.20 and 90.08, respectively. T2 gained significantly higher than T4 and it was non significant between T1 and T3. DOMDM (%) for T1, T2, T3 and T4 were 57.05, 58.61, 58.00 and 52.90, respectively and all the lambs were on positive nitrogen balance. Based on these results it was concluded that the tree leaves can be considered as supplementary source of nutrients for sustainable ruminant production in India.