2001, Number 2
Population dynamics of horn fly Haematobia irritans in a bovine herd from Soto la Marina in the state of Tamaulipas in Mexico
Language: English/Spanish
References: 14
Page: 149-152
PDF size: 41.43 Kb.
ABSTRACT
The purpose of this work was to study the population dynamics of the horn fly Haematobia irritans in a bovine herd from Soto la Marina in the State of Tamaulipas in Mexico. Horn flies were counted in 12 bovines without a pesticide treatment during a year from September 1998 to August 1999. The correlation between fly population and weather variables such as temperature (T) and pluvial precipitation (PP) was obtained. Horn flies were found on the animals throughout the year with population peaks higher than 200 flies by animal in September, April, May and June, and lower than 100 flies in November, December, January, July and August. The correlation between fly population for T was 0.57 (P ‹ 0.05), and for PP it was 0.32 (P ‹ 0.05). When fly population, and both T and PP were analyzed, the correlation was present 0.7 (P ‹ 0.05). It is concluded that H. irritans was present throughout the year in the farm studied with some variations related to temperature and pluvial precipitation.REFERENCES
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