On Thu, 11 Jan 2018 18:55:17 -0500, S Viemeister
> wrote:

>On 1/11/2018 6:28 PM, Bruce wrote:
>> On Thu, 11 Jan 2018 16:47:17 -0600, "cshenk" > wrote:
>>> If you keep to the simple definition, it's basically a beef bull or cow
>>> that's been trained to work.
>>
>> I guess the "beef bull" is the equivalent of the "pork pig" and the
>> "mutton sheep".
>>
>Not really. Cattle are classified as 'beef cattle' or 'dairy cattle'.

Well, we have wild pigs in Australia and they're definitely not pork
pigs.