when they weigh about 800 pounds. It is desirable to have Holstein females calve for the first time between 24 and 27 months of age. Holstein gestation is approximately nine months. While some cows may live considerably longer, the normal productive life of a Holstein is six years. Average ...
López Valiente, S.; Maresca, S.; Rodríguez, A.M.; Palladino, R.A.; Lacau-Mengido, I.M.; Long, N.M.; Quintans, G. Effect of protein restriction of Angus cows during late gestation: Subsequent reproductive performance and milk yield.Prof. Anim. Sci.2018,34, 261–268. [Google Sc...
British breeds (Angus, Shorthorn, or Hereford) have lower food needs. Continental breeds (Charolais or Limousin) typically need more energy and protein. Exotic breeds have higher feed requirements than continental or British breeds. 2 Figure out how much weight your cattle should gain per day. ...