Chemical reactions and catalysts. A chemical reaction involves a chemical change, which happens when two or more particles (which can be molecules, atoms or ions) interact. For example, when iron and oxygen react, they change to a new substance, iron oxide (rust).
It's important for parents to start weaning babies from bottles around the end of the first year and start getting them comfortable drinking from cups. The longer parents wait to start the transition, the more attached kids become to their bottles and the more difficult it can be to break the bottle habit.
Typically goats are weaned at 90 days. If you leave them on the doe, the doe will wean them herself, but it may not be until 5-6 months old. This varies from doe to doe.<br />****<br />If you are choosing when to wean them, it is more important to pay attention to the weight and health of the kid.