You can submit your donations to Radhagovindainc for New Godhurma's cows and bulls.  Simply specify in the PayPal comment section the donation is for Cow Protection.  

To give to the cows at ISKCON'S Murari Sevak Farm use Venmo: @ISKCON-MurariSevaka.

To give to New Talavana's cow go to their website NewTalavana.org. 

Thank you and may you have a blessed day. 

Hare Krishna!