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Chemical composition and in situ ruminal nutrient degradability of normal and brown midrib forage pearl millet grown in southwestern Québec

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The objective of this study was to determine the chemical composition and in situ ruminal degradability of normal and brown midrib (bmr) forage pearl millet [Pennisetum glaucum (L.) R. Br.] grown in southwestern Québec conditions. Forage was harvested twice during the season. Relative to normal genotype, bmr millet contained less (P < 0.05) neutral detergent fiber (NDF) and acid detergent lignin and more (P < 0.05) crude protein (CP). Fiber fractions were similar for the two harvests. However, CP content was higher (P < 0.05) in the first than the second harvest. In situ ruminal degradabilities of DM, CP and NDF were all higher (P < 0.05) for bmr than normal forage millet and were not affected by harvest. Key words: Forage quality, pearl millet, ruminal degradability, protein fractions, brown midrib
Title: Chemical composition and in situ ruminal nutrient degradability of normal and brown midrib forage pearl millet grown in southwestern Québec
Description:
The objective of this study was to determine the chemical composition and in situ ruminal degradability of normal and brown midrib (bmr) forage pearl millet [Pennisetum glaucum (L.
) R.
Br.
] grown in southwestern Québec conditions.
Forage was harvested twice during the season.
Relative to normal genotype, bmr millet contained less (P < 0.
05) neutral detergent fiber (NDF) and acid detergent lignin and more (P < 0.
05) crude protein (CP).
Fiber fractions were similar for the two harvests.
However, CP content was higher (P < 0.
05) in the first than the second harvest.
In situ ruminal degradabilities of DM, CP and NDF were all higher (P < 0.
05) for bmr than normal forage millet and were not affected by harvest.
Key words: Forage quality, pearl millet, ruminal degradability, protein fractions, brown midrib.

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