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The Influence of Solvent Extracted and Hydraulic Processed Cottonseed Meals upon Performance and Level of Plasma Carotene, Vitamin A, and Fat in the Blood of Wintering Beef Cows

Texas Agricultural Experiment Station¹

Abstract

Beef breeding cows fed hydraulic processed cottonseed meal showed a significantly higher level of blood fat at the close of a 112-day test than cows fed solvent extracted meal.

Blood fat levels for 19 cows fed hydraulic processed meal averaged 187.5 mg. per 100 ml. of blood at the close of the wintering period. The average for 19 cows fed solvent extracted meal was 176.6 mg.

Although the difference in levels of blood fat was statistically significant, this difference appeared to have little relationship to levels of carotene and vitamin A in the blood within the range which existed in this study.

¹ Departments of Animal Husbandry and Biochemistry and Nutrition, Texas Agricultural Experiment Station, Texas Agricultural and Mechanical College System, College Station, Texas.