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Net Energy of Pineapple Bran and Pineapple Hay When Fed to Lactating Dairy Cows^{1, 2,}

Department of Animal Science, University of Hawaii

Gerald G. Dull

Pineapple Research Institute of Hawaii, Honolulu, Hawaii

ABSTRACT

By means of a switch-back design, the net energy values for pineapple bran and pineapple hay were determined as being 53.5 and 38.9 megacalories per 100 lb., respectively. Milk production and butterfat levels were maintained satisfactorily when pineapple hay and pineapple bran were used as a roughage source. Neither material had an adverse effect on milk flavor. Pineapple hay appears to be a potential source of medium-quality roughage for cattle feeding.

¹ Approved by the Director of the Hawaii Agricultural Experiment Station as Technical Paper No. 493.

² Approved by the Director of the Pineapple Research Institute of Hawaii as Technical Paper No. 273.

³ Department of Animal Husbandry, University of California, Davis, California.

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