涩涩涩久久

傳(chuan)統的牲畜(chu)養(yang)殖主要是農戶散養(yang)為主，隨著工(gong)(gong)業的進展和食(shi)品安全(quan)的需要，現代(dai)的牲畜(chu)養(yang)殖逐漸在走上現代(dai)化(hua)(hua)、規模化(hua)(hua)、自動化(hua)(hua)、可追溯的道路。以生豬(zhu)養(yang)豬(zhu)為例：現代(dai)養(yang)豬(zhu)生產的工(gong)(gong)藝流程，采用分段(duan)飼養(yang)、全(quan)進全(quan)出飼養(yang)工(gong)(gong)藝。六(liu)段(duan)飼養(yang)工(gong)(gong)藝流程：空懷期、配種期、妊娠(shen)期、哺(bu)乳期、仔…