The Effects of Non-Genetic Factors on The Birth Weight, Litter Size and Pre-Weaning Survive Ability of Etawah Cross-Breed Goats in The Breeding Village Center in Ampelgading District - Susilorini, Tri Eko (Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya, 2018)