N. A. Okpokho

Effects of body weight groupings on productivity, feather loss, and nervousness of caged hens.

G. Milliken, J. Craig, N. A. Okpokho, 1987, Poultry science.

Fear-related behavior of hens in cages: effects of rearing environment, age, and habituation.

J. Craig, N. A. Okpokho, 1987, Poultry science.

Density and group size effects on caged hens of two genetic stocks differing in escape and avoidance behavior.

G. Milliken, J. Craig, N. A. Okpokho, 1987, Poultry Science.

Replacing hens in cages: effect on subsequent egg production.

J. Craig, N. A. Okpokho, 1988, Poultry science.

Floor- and cage-rearing effects on pullets' initial adaptation to multiple-hen cages

G. Milliken, J. Craig, N. A. Okpokho, 1988 .