The phrase "pen mate" is not correct in standard written English.
It seems to be a misspelling or misunderstanding of "pen mate," which could refer to a writing instrument or a companion pen.
Example: "I always keep a blue pen mate in my bag for signing important documents."
Alternatives: "writing partner" or "pen companion."
The presence of a hiding wall influenced neither growth, nor the prevalence of most pen mate manipulations (based on behavioral observations), but it did affect the prevalence of belly nosing and manipulating pen fittings.
Infection of this animal was clearly linked to contact with blood from a moribund pen mate.
The sheep ruminated temporarily during a passive observation for 15 minutes but appeared dull compared to its pen mate, with a low head carriage or the head resting on the floor and remained lying down when the pen was entered, which was considered abnormal.
He was heftier than his pen mates and, I decided, sparkier too.
If my suspicion is correct, the other apparent people in the scene are the pig's pen mates, which appear human to the pig thanks to the auras given off by the worms inside of them.
ELDRIDGE, Iowa — Sow 44733 had broken the shoulder of one of her pen mates, rousted another who was huddled in the corner and was chewing on the ear of a third.
One morning, a cattle trailer from the National Beef plant in Liberal, Kan., will pull in to Poky Feeders, drop a ramp and load No. 534 along with 35 of his pen mates.
A few hours after their arrival in the holding pens outside the factory, a plant worker will open a gate and herd No. 534 and his pen mates into an alley that makes a couple of turns before narrowing down to a single-file chute.
No effect on fighting or manipulation of pen mates was found in the fattening phase.
Market-weight pigs were sorted from pen mates at loading and mixed with unfamiliar pigs during transport.
Housing may include the opportunity to hide from aggressive pen mates and this ability is related to pen design and shape.
