How to reasonably use roughage for dairy cows
Introduction to the breed performance of Holstein (Dutch cattle)
Bagged silage method and feeding method of cattle feed
The adverse effects of overweight and lean cows on reproduction
Calculation method of cow's expected date of delivery
How to do a good job in epidemic prevention and sanitation on cattle farms
Introduction of Danish Red Bull Breed Performance
Causes of satiety shock in broiler breeders and control measures
Cows have a coup to increase fat