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Blood and Bone Marrow Studies in Cattle Feeding on Brassica Species

Acta Veterinaria Scandinavica volume 10, pages 309–318 (1969)Cite this article

Abstract

Daily administration of 40—60 kg rape for 9 weeks to 8 cows produced no changes in the red blood picture. On the other hand a reduction of the myeloid: erythroid ratio and the maturity ratio of the erythroid cells of the bone marrow was found. This is interpreted as a sign of increased erythropoiesis. The Brassica-induced anaemia found in other investigations is assumed on several grounds to be haemolytic. The present study confirms this assumption, the increased breakdown of erythrocytes being entirely compensated by an increased erythropoiesis. The difference between the present and earlier reports, in which anaemia was found after a shorter time of feeding on roughly the same quantities of rape, is discussed, one possible explanation being that differences exist in rhodanid content between Brassica species.

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Acknowledgments

For valuable help and fruitful discussions our thanks are due to Dr. S. O. Berlin, Central Hospital, Skövde, Dr. S. Ellerström, Swedish Seed Association, Svalöv, Dr. Lars Holländer, Central Hospital, Lidköping, Dr. A. Killander, Vitamin B12 Laboratory, University Hospital, Uppsala, and Dr. G. Winqvist, Royal Veterinary College, Stockholm.

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  1. Department of Medicine I, Royal Veterinary College, Stockholm, Research Station of the Veterinary Institute, Skara, Sweden

    A. W. Bäckgren & G. Jönsson

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  1. A. W. Bäckgren
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  2. G. Jönsson
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Bäckgren, A.W., Jönsson, G. Blood and Bone Marrow Studies in Cattle Feeding on Brassica Species. Acta Vet Scand 10, 309–318 (1969). https://doi.org/10.1186/BF03548266

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Acta Veterinaria Scandinavica

ISSN: 1751-0147