ad libitum feeding的用法和样例：
- 6.The significance relationships of ad libitum feeding group between LD and ST in meat color, moisture content, crude protein content were changed by restricted feeding.
- Feeding a grower/finisher diet ad libitum from arrival in the breeding herd to puberty but delay mating until live weight and P2 targets are reached.
- All that will be required will be to feed a gilt developer diet ad libitum from arrival in the breeding herd until mating.
- Will animals be fed specie specific standard laboratory chow, ad libitum?