中国规模化奶牛场关键生产性能现状（2020版） - Tapa blanda

Status of key production performance of large-scale dairy farms in China (2020 version)(Chinese Edition)

paperback. Condición: New. Language:Chinese.Paperback.Pub Date:2020-09-01 Pages:88 Publisher: China Agricultural Science and Technology Press The dairy industry is an indispensable industry for a healthy China and a strong nation. a representative industry for food safety. and a symbol of agricultural modernization A strategic industry with coordinated development of industry and the tertiary industry.?This book is based on the actual production data of 697.403 dairy cows in 197 dairy farms distributed in 21 provinces . Nº de ref. del artículo: NS057599

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