344. A Note on Certain Vitamins of Sow's Colostrum

Abstract

1. Eighteen samples of colostrum obtained from Large White sows during parturition were examined for total solids, fat, vitamin A, vitamin B^ riboflavin and vitamin C.2. The mean values and ranges for the total solids (fourteen samples) and fat (fifteen samples) were 23.9% (20.6–27.2%) and 3.4% (1.7–5.8%) respectively.3. The mean vitamin A content of eighteen samples was 247 i.u./100 ml. with a range of 103.462 i.u./lOO ml., or 89 i.u./g. fat with a range of 42–137 i.u./g. fat. No β-.carotene was detected in any of the samples.4. The mean vitamin B1 content of seventeen samples was 145 /µg./100 ml. with a range of 81.260 µg./100 ml.5. The mean riboflavin content of sixteen samples was 45.6 µg./100 ml. with a range of 21–78 µg./100 ml.6. The mean ascorbic acid content of seventeen samples was 23.8 mg./100ml. with a range of 12–36 mg./100 ml.