DB21/T 2827.6-2017 Technical specifications for prevention and purification of livestock and poultry diseases Part 6: Technical specifications for purification of pullorum in breeder farms (English Version)
Liaoning Provincial Standard of the People's Republic of China
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DB21/T 2827.6-2017
DB21/T 2827.6-2017 history
2017DB21/T 2827.6-2017 Technical specifications for prevention and purification of livestock and poultry diseases Part 6: Technical specifications for purification of pullorum in breeder farms