H. Heyns

The relationship between various blood constituents of young Afrikaner bulls

H. Heyns, 1971, The Journal of Agricultural Science.

Birth-weight of beef cattle important.

H. Heyns, 1959 .

Relationships between growth parameters and scrotal circumference in Simmentaler bulls

F. Swanepoel, H. Heyns, 1986 .

Relationships between scrotal circumference and growth parameters in young bulls.

F. Swanepoel, H. Venter, H. Heyns, 1986 .

Scrotal circumference in young beef bulls: relationships to growth traits.

F. Swanepoel, H. Heyns, 1987 .

The effect of breed on the composition of blood

H. Heyns, 1971, The Journal of Agricultural Science.