Cows: more milk than mice !
10,000 liters of milk annually
- 20 cows could produce ~ 100kg product per year
- annual need for protein C is ~100kg
- annual need for factor IX could be made by single cow
change milk for the better?
- increase k-casein for better cheese
- lactase in milk for the lactose intolerant?
Better (resistant) livestock
- mastitis, dysentery, cholera (subunit vaccines)
- antibodies (in vivo vaccination)