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Feeding Ammonium Acetate in Molasses Liquid Supplement to Lactating Dairy Cows^1,2,3,

Department of Dairy and Poultry Sciences, Kansas State University, Manhattan 66506

ABSTRACT

Ad libitum feeding of a molasses base, liquid supplement containing 20% ammonium acetate did not depress consumption of other feeds by lactating Holstein cows. Average daily liquid supplement consumption was 2.69 kg per cow. In a second trial Holstein cows fed liquid supplement produced more 4% fat corrected milk and gained more body weight than cows fed no liquid supplement. No difference in milk composition was detected. Daily liquid supplement consumption ranged from 1.26 to 6.26 kg and averaged 3.72 kg per cow. Liquid supplement consumption varied among cows.

¹ Contribution No. 858, Department of Dairy and Poultry Sciences, Kansas Agricultural Experiment Station, Manhattan.

² Supported in part by a grant from Gulf Research and Development Co., Merriam, Kansas. The assistance of Dr. L. V. Phillips, Dr. K. P. Dubrovin, and Mr. E. A. Woods is gratefully acknowledged.

³ Appreciation is expressed to Mr. L. Manthe for assisting in feeding and caring for experimental animals and to Mrs. V. Reese for laboratory assistance.