Safety and efficacy studies of Newcastle Disease vaccines in very young African local ecotype chicks and in commercial pullets

Authors:

• Domingue, G.

• Peters, A.

• Muhairwa, A.P.

• Chiwanga, G.H.

• Msoffe, P.L.

• Jaglarz, A.

• Wachira, J.

• Musau, A.M.

• Kyangu, N.K.

• Thevasagayam, S.