namo brahmanya-devaya go-brahmana-hitaya ca
jagad-dhitaya krishnaya govindaya namo namah

“My Lord, You are the well-wisher of the cows and the brahmanas, and You are the well-wisher of the entire human society and the world.” (Vishnu Purana 1.19.65)
You can perform various sewas for the Gaumata in terms of fodder and food, Gau-arati or even adopt a cow for life!