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Equipment for Nutritional Studies with Lambs Weaned at 3 Days of Age and Reared on Experimental Diets^{1, 2,}

Université Laval, Québec, Canada

Abstract

Description and testing of equipment especially designed to carry out nutritional studies with lambs weaned at an early age and artificially reared on experimental diets are reported and discussed. This equipment comprised individual metal cages designed for balance trials, individual feeders permitting the ad libitum feeding of cold or warm milk replacers, and special devices for the collection of feces and urine. The equipment was tested with 12 experimental lambs weaned at 3 days of age and their growth performance was compared with that of 12 other lambs left with their dams and used as controls.

A quantitative collection of feces and urine was possible on the male animals, and the consumption and growth data indicated that cages and feeders used were satisfactory for nutritional studies with young lambs.

¹ Contribution No. 82 Faculté d'Agriculture, and No. 4, Centre de Recherches en Nutrition.

² This work was supported in part through an operating grant from Canada Department of Agriculture, Research Branch.

³ Dépatement de Zootechnie and Centre de Recherches en Nutrition.

⁴ Present address: Department of Dairy Science, The Ohio State University, Columbus.

⁵ Département de Zootechnie.

⁶ The collaboration of Mr. J. M. Girard of the Canada Department of Agriculture Research Station, La Pocatière, Québec, who supervised the rearing of the control lambs, is gratefully acknowledged.