It’s based on your observation of your rabbit’s calcium intake/weight gain, in addition to general parameters. No healthy rabbit should be on alfalfa pellets after 1 year old, but the transition has occurred before then for numerous rabbits.
Signs which make people switch include:
1) Consistent white/chalky pee – Signifies excessive calcium intake. Switching to timothy (adult) pellets will cut calcium intake, reducing the risk of a calcium stone formation in the gut.
2) Too much weight gain – Alfalfa is more fattening than timothy, so if a young rabbit is gaining too much weight, limiting and switching the pellet type is recommended.
Wick was switched to adult pellets at 12 weeks old I think because of his calcium sensitivity.
Limiting pellets can occur anywhere from 6mo and older. It should be done earlier again, if there’s too much weight gain.
No experience with Sherwood. Wick is an Oxbow baby
Feel free to ask for more details/more questions!! Above is based on my experience.
The answers provided in this discussion are for general guideline purposes only. The information is not intended to diagnose or treat your pet. Seek the advice of your veterinarian or a qualified behaviorist.