Nutrient composition, in vitro true digestibility (IVTD) and methane production potential of fodder tree leaves

M RAMACHANDRAN; A BHARATHIDHASAN; V BALAKRISHNAN

doi:10.56093/ijans.v85i5.48576

Authors

M RAMACHANDRAN Associate Professor and Head, Department of Animal Nutrition, Veterinary College and Research Institute, Orathanadu, Thanjavur
A BHARATHIDHASAN Assistant Professor, Madras Veterinary College, Chennai, Tamil Nadu 600 007 India
V BALAKRISHNAN Professor and Head, Department of Animal Nutrition, Madras Veterinary College, Chennai, Tamil Nadu 600 007 India

https://doi.org/10.56093/ijans.v85i5.48576

Keywords:

In vitro true digestibility, Methane production potential, Nutrient composition

Abstract

This work was carried out to estimate the nutrient composition and methane production potential of various tree leaves to develop a database on methane production. Highest organic matter (OM) content was recorded in cashew leaves (96.87%) and lowest value was recorded in mulberry leaves (86.03%). Ether extract (EE) content of various tree leaves ranged from 0.54 to 8.74%. Neutral detergent fibre (NDF) was highest in velvel leaves (65.03%) and lowest in Murungai leaves (19.48%). Lowest in vitro true digestibility was observed in velvel leaves (41.59%) and highest value was observed in maramalli leaves (75.59%). Mulberry leaves had lowest methane production potential at half life (t1/2) (0.21 ml/100 mg truly digested substrate) and highest methane production potential at half life (t1/2) was recorded in velvel leaves (1.98 ml/100 mg truly digested substrate). Agathi leaves had highest (P<0.05) methane production potential at 24 h (2.72 ml/100 mg truly digested substrate) compared to all other tree leaves. It can be concluded that average OM, EE and NDF content of various tree leaves was 90.83, 4.67 and 40.53%, respectively. Average methane production potential of different tree leaves at half life and 24 h was 0.93 and 1.55 ml /100 mg truly digested substrate, respectively.

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