Chongqing Provincial Standard of the People's Republic of China
Latest
DB50/T 1529-2023
Scope
This document is applicable to the management of the use of organic trace elements in feed by pig feed production enterprises and large-scale pig farms (households).
DB50/T 1529-2023 history
2023DB50/T 1529-2023 Technical specifications for the use of organic trace elements in pig feed