Estrus is the stage of the reproductive cycle in which the dog can become pregnant; sometimes a dog that is in estrus is said to be in heat or in season. On average, puberty or sexual maturity is reached at about 6 months of age, but this can vary by breed.
A small scale enterprise is a privately owned and operated business, characterized by a small number of employees and low turnover. A small enterprise usually only shares a tiny segment of the market it operates in.
Economies of scale. A firmâs efficiency is affected by its size. Large firms are often more efficient than small ones because they can gain from economies of scale, but firms can become too large and suffer from diseconomies of scale. As a firm expands its scale of operations, it is said to move into its long run.