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A single-reversal feeding trial involving 12 Holstein Friesian X Red Sindhi crossbred cows fed rations differing primarily in crude fiber content (12.5 vs. 18.5%, dw matter basis) was conducted during January-April, 1966, to determine effects of fiber content of the ration on milk production and physiologieaI responses of milking COWS.
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Tsai et al. (1967) studied this question.
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