Q-Fever Studies on the Dairy Cattle of Puerto Rico

How to Cite

Rosado-Carbó, G., Berrocal, C. N., & Rivera-Anaya, J. D. (2022). Q-Fever Studies on the Dairy Cattle of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, 49(2), 229–233. https://doi.org/10.46429/jaupr.v49i2.13021


The presence of Q-fever antibodies was determined in 278 of the 561 milk samples from an equal number of Puerto Rican dairy herds tested by the capillary-tube agglutination technique. The incidence of positive agglutinations was found to be 49.55 percent. Over 50 percent of the dairies of Hatillo and Arecibo, the two with the largest numbers of dairy herds in Puerto Rico, showed positive agglutinations.


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