Comparison of a beta-propiolactone whole embryo Newcastle disease vaccine (one strain) with a beta-propriolactone amino-allantoic Newcastle disease vaccine (four strain).
D000818:Animals; D009521:Newcastle Disease / Q000517:prevention & control*; D011201:Poultry Diseases / Q000517:prevention & control; D014765:Viral Vaccines
D014765:Viral Vaccines