Relative Value of Carotene from Alfalfa and Vitamin A from a Dry Carrier Fed at Minimum Levels to Holstein Calves

Utilization of Corn Silage Carotene by Dairy Calves

“…These workers used dehydrated alfalfa leaf meal as their carotene source. Rousseau et al (1954), also using dehydrated alfalfa leaf meal, reported a (Eaton et al, 1964) reported that 106 ~g. of carotene per kg.…”

“…It is suggested, by comparison with work of others (Moore et al, 1943 ;Rousseau et al, 1954), that corn silage is as effective as dehydrated alfalfa leaf meal as a carotene source for maintaining a normal spinal fluid pressure in Holstein calves.…”