Close-up pen for pr…

Health care chute i…

Twin rotary milking…

Rotary milking parl…

Screw-type sand sep…

Screw-type sand sep…

Rubber matting on c…

Stainless steel wat…

Free stalls -- one …

Ventilation and coo…

Forageprebud Alfalf…

Bull sperm micromor…

Bull sperm middle p…

Bull sperm head mor…

Ageing of bull sperm

Thiamin deficiency …

Handling frozen sem…

Carl Hartman

Copper toxicosis in…

Anatomy and physiol…

Forage pasture over…

Forage pasture lane…

Bull semen collecti…

Guiding an insemina…