Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Pig production is an expert of farmers in Thua Thien Hue and Quang Nam, more than 80% of sows, are kept in small farm holdings. To meet increasing demand for pig husbandry systems for pigs, smaller owners have enhanced breeding and feeding systems, while others tried to continue to produce larger pigs poorly designed facilities. Intensive farming has increased, so has disease problems, especially in the period before and after weaning, therefore, not surprising that the intestinal disease caused considerable losses in the period , but also housing base system is very poor and not suitable for young sows and...
Nội dung trích xuất từ tài liệu:
Influence of different breeds, feeding and housing systems on sow reproductive performance and piglets resistance to diseases in Central Vietnam
