Immunogenetic approaches to the control of endoparasites with particular reference to parasites of sheep; proceedings of a workshop held at Sydney University, Oct 22-23 1983

bovidae disease resistance genetic control genetic engineering genetica genetics genomas genomes haemonchus contortus helminthose helminthoses helmintiasis immunisation immunization ovin ovinos parasite parasites resistencia a la enfermedad sheep trichostrongylus vaccination