Abstract
Methane production potential of different varieties of maize grain was tested by in vitro gas production test. The seeds of four normal maize (HTHM 5101, DHM 117, HM 5 and Shaktiman/900 M Gold) and three high quality protein maize (HQPM 5, HQPM 7, HQPM 9/Vivek) varieties were tested for gas, methane production and digestibility using goat rumen fluid by in vitro gas production technique. Gas productions per g dry matter (ml/g DM) and per g digestible dry matter (ml/g DDM) did not show any significant difference among different varieties. Methane production was significantly (P<0.05) higher for HM 5 (11.55%) and lowest for DHM 117 (9.56%) variety. The net methane production per g dry matter (ml/g DM) and per g digestible dry matter (ml/g DDM) was significantly (P<0.05) highest for HTHM 5101 and lowest for DHM 117 variety. The in vitro dry matter digestibility (IVDMD %) and in vitro organic matter digestibility (IVOMD %) differed significantly (P<0.05) among the different varieties of maize grains. The results suggest that different maize grain varieties exhibited differences in their methane production potential and DHM 117 maize variety produced least methane.
Published Version
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