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Effects Of Graded Levels Of Dietary Lasalocid On Performance Of Holstein Cows During Early Lactation, Dennis E. Christensen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Thirty-six multiparous Holstein cows were assigned to one of three dietary levels of lasalocid· 0, 180, or 360 mg/hd/d in a completely randomized design Cows were assigned to treatments 1 wk postcalving and remained on treatment until 11 wk postcalving Basal diets were composed of ground corn, alfalfa hay, alfalfa haylage, corn silage, and soybean meal, fortified with vitamins and minerals as needed. All ingredients were ground and fed as a total mixed ration Daily rations were fed in two equal portions at 0500 and I 700 h at a rate to allow a 5- 10% refusal. Daily measurements included …