I believe that they are becoming more concerned for zoonotic disease because it is becoming more and more common for these animal transmitted disease to spread, such as ringworm or hookworms. The factors that would make these more of a threat would likely be the amount of people with animals or the other animals or people their animals are around or not taking your animal to the vet upon signs of seeing symptoms of declining health.
Not enough detail.
One way is the verbal Rating of perceived exertion scale 6-20
Another is heart rate range compared to their Max heart rate 220-age
‘Control’ should go in the blank spot.
No because it would look like ww to ww. So if you took a w from each parent the offspring would be ww/ have black wool. Say one parent had white wool that the offspring would be Ww so it is more likely to have white wool. Hope this helps