Effect of Stage of Maturity on the Nutritive Value of Atlas Sorghum Silage for Lactating Dairy Cows

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Abstract
Advancing maturity from the milk to the hard seed stage increased by 25% the daily consumption of silage dry matter and decreased the FCM (fat-corrected-milk, 4% basis) production per lb. of dry matter consumed. Total silage eaten, milk fat %, and body weight changes were not significantly affected by maturity at harvest. Daily FCM yields averaged 29.8 lb. for the hard dough and mature stages compared to 28.9 lb. for the milk and soft dough stages; however, differences among maturities were significant only in 1 of the 2 experiments, in which the soft dough stage was slightly inferior to the more mature silages.

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