The offspring of all animals follows the ownership of the mother and belongs to the owner of the mother at the time of birth. (Orig. Code 1863, § 2222; Code 1868, § 2216; Code 1873, § 2242; Code 1882, § 2242; Civil Code 1895, § 3075; Civil Code 1910, § 3651; Code 1933, § 85-1705.)