This is why I had such a hard time training my cattle dogs to herd.

那也是为什么我在训练我的牧牛犬时有那么大的困难。

youdao

Ever since Dolly the sheep was cloned in 1997, Westhusin's phone has been ringing with people calling in hopes of duplicating their cats and dogs, cattle and horses.

自从1997年多利羊被克隆以来，威斯苏森的电话一直响个不停，人们打电话希望能复制他们的猫、狗、牛和马。

youdao

The biggest obstacle is the ranchers themselves, whose cattle compete with prairie dogs and bison for grass and space.

最大的障碍是牧场主自己，他们的牛与土拨鼠和野牛争夺草地和空间。

youdao

Hot weather bothers dogs more than people, especially really furry, really active dogs like my Golden and most of the other dogs around me in Vermont, labs, sled dogs, cattle dogs, etc.

FORBES: Dog Days of Summer? Not With the KoolCollar!

Karen Hogan, who keeps the breed and runs a micro dairy at Trenow, was looking after Mr Babcock's cattle when the dogs attacked.

BBC: Injured heifer

Ranchers, in general, want to kill the wolf: it preys on cattle, sheep, horses and dogs.

FORBES: Kill The Wolf