Effect of whole cottonseed on serum constituents, fragility of erythrocyte cells, and reproduction of growing Holstein heifers

Journal of Dairy Science
J Colin-NegreteJ F Smith

Abstract

A 431-d experiment was conducted to determine the effects of whole cottonseed containing gossypol (7400 mg/kg) on growth and development from weaning until pregnancy in Holstein heifers. Treatment diets (n = 5) contained 0, 15, or 30% whole cottonseed. The basal diet included alfalfa hay, corn grain, soybean meal, molasses, and dicalcium phosphate. Gossypol content of the treatment diets was 0, 1300, and 2000 mg/kg, and gossypol content in feces was 0, 290, and 1170 mg/kg, respectively, for treatments containing 0, 15, and 30% whole cottonseed. Estimated ingestion of gossypol (accumulated) was 0, 8, and 12 g/kg of BW, respectively, for treatments containing 0, 15, and 30% whole cottonseed during the 431-d experiment. Erythrocyte fragility was similar among treatment groups on d -3; on d 228, erythrocyte fragility was similar for heifers fed treatments containing 0 and 15% whole cottonseed, but was lower than that for heifers fed the 30% whole cottonseed diet. However, on d 430, fragility of erythrocytes increased linearly as the percentage of whole cottonseed increased. Clinical profiles of serum suggest possible impairment of liver and kidney function on d 144 and 430. Age and BW at onset of puberty and pregnancy rates were si...Continue Reading

References

Oct 1, 1985·Journal of Dairy Science·G E HawkinsJ J Jilek
Jan 1, 1974·Proceedings of the Society for Experimental Biology and Medicine·G G NahasG Hyman
Aug 1, 1971·Journal of Animal Science·J L Gill, H D Hafs
Mar 1, 1968·Journal of Animal Science·C Desjardins, H D Hafs
Sep 1, 1993·Journal of Pharmaceutical Sciences·F L TseW S Yardley

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Citations

Sep 19, 2002·The Veterinary Clinics of North America. Food Animal Practice·Glenn M RogersJoe C Paschal
Jul 31, 2017·EFSA Journal·UNKNOWN EFSA Panel on Contaminants in the Food Chain (CONTAM)Karen Mackay
Oct 15, 2020·Brazilian Journal of Biology = Revista Brasleira De Biologia·P H R ArideA T Oliveira

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