Levels of natural resistance to Boophilus microplus (Acari: Ixodidae) in Carora breed bulls
Boophilus microplus infestation is one of the most serious limitations to cattle industry in tropical regions, even though bovines show natural resistance to ticks. This resistance was evaluated in Cross-bred Carora Bulls (CCB) a tropicalized dairy breed from Venezuela. Seven CCB were experimentally...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Vicerractoría Investigación
1998-09-01
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Series: | Revista de Biología Tropical |
Subjects: | |
Online Access: | http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77441998000300024 |