pig-raising的用法和样例：
例句
- So, since both the industry and the pig have changed, it makes sense that our feeding strategies must also change.
所以，既然养猪业和猪本身都发生了变化，我们也应该相应的改变我们的饲喂策略。 - Rugao is well known for its diversified economy, including sericulture, pigs, goats and chicken raising, flowers and trees and potted landscapes.
如皋以其经济多样化而著名，包括养蚕业，养猪业，养羊业，养鸡业，以及花木盆景业等。
