كتب ذات صلة

A study of feeding standards for milk production

A treatise on milch cows : whereby the quality and quantity of milk which any cow will give may be accurately determined by observing natural marks or external indications alone : the length of time she will continue to give milk, &c.

• Farmers'' clean milk book
  المؤلفون: North, Charles Edward
• Farmers'' clean milk book
  المؤلفون: North, Charles Edward
• Report of Rochester milk survey
  المؤلفون: North, Charles Edward