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.
Definition of enterprise. 1  1 : a project or undertaking that is especially difficult, complicated, or risky. 2  2 : readiness to engage in daring or difficult action : initiative showed great enterprise in dealing with the crisis.