by Hixon, D.L
Published in Livestock Breeder Journal (USA) (01.07.1981)

by Ensminger, M.E
Published in Livestock Breeder Journal (USA) (01.12.1979)

by Ensminger, M.E
Published in Livestock Breeder Journal (USA) (01.07.1981)

by Cunha, T.J
Published in Livestock Breeder Journal (USA) (01.07.1981)

by Ward, C.E
Published in Livestock Breeder Journal (USA) (01.07.1981)

by Lane, C.D. Jr
Published in Livestock Breeder Journal (USA) (01.02.1981)

by Ensminger M.E
Published in Livestock Breeder Journal (1981)

by Beaty E.R, Calvert G.V, Dobson J.W
Published in Livestock Breeder Journal (1981)

by Neel, J.B
Published in Livestock Breeder Journal (USA) (01.01.1981)

by Williams W.B
Published in Livestock Breeder Journal (1981)

by Ensminger M.E
Published in Livestock Breeder Journal (1981)

Published in Livestock Breeder Journal (1981)

Published in Livestock Breeder Journal (1981)

by Burton G.W
Published in Livestock Breeder Journal (1981)

by Ellicott A
Published in Livestock Breeder Journal (1981)

by Haney R.W
Published in Livestock Breeder Journal (1981)

by Mueller J.P, Green J.T, Kimbrough E.L
Published in Livestock Breeder Journal (1981)

by Brown R
Published in Livestock Breeder Journal (1981)

by Worthington W.B
Published in Livestock Breeder Journal (1981)

by McCullough, M.E
Published in Livestock Breeder Journal (USA) (01.10.1980)