BMY cattle

Association of bovine Toll-like receptor 4 with tick infestation rates and blood histamine concentration

G. Zhao, Yu, M., Cui, Q. - W., Zhou, X., Zhang, J. - C., Li, H. - X., Qu, K. - X., Wang, G. - L., and Huang, B. - Z., Association of bovine Toll-like receptor 4 with tick infestation rates and blood histamine concentration, vol. 12, pp. 2783-2793, 2013.

We investigated a possible association between bovine Toll-like receptor 4 (TLR4) and resistance to tick infestation in 103 cattle, including BMY cattle (1/2 Brahman, 1/4 Murray Grey, and 1/4 Yunnan Yellow cattle), Brahman, and Red Angus grazing on improved pasture. The tick infestation weight and number of Rhipicephalus microplus and the blood histamine concentration were measured and compared with those of 32 Chinese Holsteins and 30 Simmentals. A 228-bp fragment was amplified and sequenced to analyze the polymorphisms of the TLR4 gene.

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