自然配种的英文

• natural breeding

• 自然:    nature; natural world
• 配种:    breed; tupping; breeding; ma ...
• 配种:    [牧] breed; tupping; breeding; mating; joining; stocking◇配种场 covering yard; 配种率 breeding rate; 配种期 service period; mating; 配种站 breeding station
• 配种圈,配种栏:    mating pen
• 配种场:    covering yard