TY - GEN AU - Houwers,D J AU - Visscher,A H AU - Defize,P R TI - Importance of ewe/lamb relationship and breed in the epidemiology of maedi-visna virus infections SN - 0034-5288 PY - 1989///0411 KW - Animals KW - Antibodies, Viral KW - analysis KW - Breeding KW - Disease Susceptibility KW - Female KW - Male KW - Pneumonia, Progressive Interstitial, of Sheep KW - epidemiology KW - Sheep KW - Visna-maedi virus KW - immunology N1 - Publication Type: Journal Article ER -