Cherney , D.J.R. and Patterson, J.A. and Johnson , K.D.
(1990)
Digestibility and feeding value of pearl millet as influenced by the brown-midrib, low-lignin trait.
Journal of Animal Science, 68.
pp. 4345-4351.
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Abstract
Two field replicates of brown-midrib (BMR) pearl millet and normal pearl millet were harvested as hay at the boot to heading stage twice during the growing season (2 genotypes X2 cuttings X 2 field replicates). 24 wethers were given a total pearl millet forage diet, and water and trace mineralized salt ad libitum for 14 days' adjustment and 7 days' collection. Lignin was 23% lower (P less or =0.01) and in vitro DM digestibility (IVDMD) was 4% higher (P less or =0.01) inBMR than normal genotype forages. Wethers preferred first-cut to second-cut millet with 62% higher (P less or =0.01) DM intake (DMI) for first-cut millet. DMI of second-cut millet was higher (P less or =0.10) for BMR millet than for normal millet (2.0 vs. 1.5% of body weight), but first-cut milletwas similar in DMI (2.9% of body weight). In an acceptability trial of millet regrowth (4 weeks), grazing lambs with access to both genotypes had a preference (P 0.01) for BMR millet, spending an average of 2.6 min on plots containing BMR millet for every minute spent on normal millet genotype.Lignin and IVDMD digestibility analyses, in vivo digestibility and DMI values indicate that the BMR trait can improve forage quality of pearl millet
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