cow head with many flies on its nose is struggling with a swarm of flies in summer as infective swarm

mammal animal wildlife pasture bovine cattle grazing grass sheep goats pet herd horn goat zoo bull dog mane cow head flies nose struggling swarm summer infective pest animals transmit diseases danger domestic beef production fly bloodsucking insects inundated irritating aggressive agriculture background black white close close-up countryside cows cute dairy eating face farm farming front view graze holstein jaws livestock milk muzzle netherlands nosy one pink portrait rural snout spread disease swarming wet