nguni cow in a cattle crush being sprayed for ticks

adult africa anaplasmosis arachnids babesiosis borne breed bull cattle coat control cow crush dermatophilosis dip dipping diseases ear ectoparasites farm farmer hand heifer herd illness infection knapsack livestock nguni parasites parasiticides plunge poison pressure prevention ranch southern species spray sprayer spraying theilerosis tick ticks transformed treatment vaccine vet veterinarian