...a prize-giving for cattle-breeding.养牛展的颁奖仪式Birth is much,but breeding is more.出身重要,教养更重要。Also needed is more investment in livestock research, such as breeding for hardier animals.同时人们还要加大对家禽研究(例如培育适应性更强的品种)的投资.It...
All bitches should be spayed unless being used for breeding.除非是用作种犬，所有的母犬都应摘除卵巢。Warm milk is the ideal breeding ground for bacteria.温牛奶是细菌理想的滋生地。There is potential for selective breeding for better yields.选种培育以提高产量会大有可为。...