I'm so sorry you had to go through this
At least you'll have first hand experience to draw on. That's powerful stuff.
Do you know how old these calves were when they were sent to slaughter? Where the female calves treated any differently to the males, and did you ever get to see a cow's reaction to seeing her baby taken away?
Anywhere between about 5 days onwards, sometimes a truck didn't come and the calves were stuck there for another week, the truck came every Monday.
Females were put onto different milk than the males were after they had their cholostrum for a certain amount of days, the male calves had cleaner milk than the females because they had to be in "good condition" other wise the truck would refuse to take the calves to the slaughterhouse.
They were all in the same pens, with a mandatory amount of hay to lie on, and a certain amount of water to drink, plus grain.
I never saw a cows reaction to their baby being taken away, but I sure as hell heard it. The moos were so loud!
One of the days was pouring with rain dead freezing and the calves were refusing to drink milk because of it, I was crying as I had to force the calves to drink, I mentioned to a worker that this is wrong, they should be with their mothers, and they said,
actually, the type of cow we use, freesian cows are terrible mothers, they are better treated when taken away.
No clue what they were on about there?