[Advantages of the immunodiagnosis of bovine hypodermosis established by passive hemagglutination and by ELISA, using serum and lactoserum, over the warble count].
For an immunodiagnosis of hypodermosis, the most favourable period, December to April, was determined by means of annual kinetics of the anti-Hypoderma antibodies. From 69 blood samples, immunodiagnosis by means of a passive hemagglutination and ELISA are strictly correlated (r = 0.429, P less than 0.01). The results obtained by the ELISA technique on the serum and lactoserum of 23 cows are also correlated (r = 0.444, P less than 0.02). The immunodiagnosis of hypodermosis carried out on the serum or the lactoserum requires a single sample, contrary to the warble count which demands numerous interventions in order to be viable.
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