Abstract
Discussion and summary
Enhancement of agglutination with antibody of chickens against MG with a heat-stable component of normal fowl serum is in accord with the studies of Orlans and Rose(7). In the research of Orlans and Rose(7) and Makinodan et al(5) bovine serum albumin was the antigen, and precipitation increased with normal fowl serum. In the present paper, limited studies with two bacterial antibodies and anti-red blood cell serum failed to exhibit increased agglutination in the presence of EF in normal serum. These same normal sera enhanced the agglutination reaction with two unrelated Mycoplasma, M. gallisepticum and Tu. This observation would possibly suggest some relation between Mycoplasma antibody and the normal enhancing factor in serum.
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