HOST-RESISTANCE TO TICKS (ACARI, IXODIDAE) IN DIFFERENT BREEDS OF CATTLE AT BAKO, ETHIOPIA

被引：20

作者：

ALI, M

DECASTRO, JJ

机构：

[1] VET CLIN,BEDELE,ETHIOPIA

[2] ETH,TICK SURVEY PROJECT,FAO,ADDIS ABABA,ETHIOPIA

来源：

TROPICAL ANIMAL HEALTH AND PRODUCTION | 1993年 / 25卷 / 04期

关键词：

D O I：

10.1007/BF02250871

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

European cattle breeds are being introduced into Ethiopia in an effort to improve the productivity of indigenous breeds. The Ethiopian cattle breeds Horro and Boran were compared for tick burdens with heir crosses with Friesian, Jersey and Simmental. Horro animals had the lowest tick burndens and the Horro x Fiesian the highest. Adaptation to their environment and long-term natural selection for tick resistance in Horro cattle is the most likely explanation. Repeatability of tick burdens in all animals considered as one herd were only statistically significant for Boophilus decoloratus, the most abundant tick species. Statistically significant correlations between burdens of female B. decoloratus, Amblyomma cohaerens and Rhipicephalus praetextatus were observed and the addition of the males resulted in all inter-species correlations becoming significant. Care should be taken when crossing Ethiopian with more productive European cattle breeds in order not to lower their tick and disease resistance.

引用

页码：215 / 222

页数：8

共 20 条

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