全力做好代养农户奶牛养殖防冻抗寒工作
(to) spare no effort(s) to fulfill routines as anti-freezing & breeding on cows as for substitutive-farmers
to achieve breeding and anti-freezing (performance) for dairy cows by substitutive-breeding farmers with all efforts
do one's utmost to achieve breeding & cold-proof works against cows by substitutive-farmers
供参