Animals
To Feed: A) Get Fodder out of bin B) Put it in the trough. Chickens all share a trough and if there's not enough fodder it randomly (randomly always being the chicken it knows you don't want to get sick) picks a chicken and that chicken suffers.
Cow
Requirements: 8 fields of grass planted behind Cow Barn
Care: Feed, Talk to, Brush
Maximum Number: 4
Increasing Stock: Use Cow Miracle Potion available at the Animal Store in Town
Variations: Yes
Sheep
Requirements: Sheep Barn Extension; 8 fields of grass planted behind Sheep Barn
Care: Feed, Talk to, Shampoo
Maximum Number: 4
Increasing Stock: Use Sheep Miracle Potion Available at the Animal Store in Town
Variations: No
Chicken
Requirements: 8 fields of grass planted behind Chicken Coop
Care: Feed
Maximum Number: 4
Increasing Stock: Place Egg in Incubator
Variations: No
Horse
Care: Feed, Talk to, Brush
Variations: Yes