Goats Milk

Animal: White Goat
Initial cost: 15 RC
Consumed Crop: Pasture

Product: Goats Milk
Sell Price: 25 coins

Add to Cheese Master to get Goat Cheese

Provence Honey

Animal: Provence Beehive
Initial cost: 25 RC
Pollinated Crop: Lavender

Product: Provence Honey
Sell Price: 5 coins

Add to Perfume Machine for all Perfume

Reindeer Fur

Animal: Reindeer
Initial cost: 6 RC
Consumed Crop: Mistletoe 

Product: Reindeer Fur
Sell Price: 40 coins

Add to Toy Machine to get Toy Reindeer

Horse Hair

Animal: Horse
Initial cost: 50000 coins
Consumed Crop: Carrot

Product: Horse Hair
Sell Price: 107 coins

Profit from initial crop: 32 coins 29.9%

Add to Toy Machine to get Toy Horse

Alpaca Hair

Animal: White Alpaca
Initial cost: 32000 coins
Consumed Crop: Green Lettuce

Product: Alpaca Hair
Sell Price: 193 coins

Profit from initial crop: 33 coins 17.1%

Add to Toy Machine to get Toy Alpaca

Venison Steak

Animal: Deer
Initial Purchase: Deer Coop
Initial cost: 28000 coins
Additional: Deer
Additional Cost: 12000 coins
Consumed Crop: Bean

Product: Venison Steak
Sell Price: 423 coins

Profit from initial crop: 53 coins 12.5%

Pork

Animal: Pig
Initial Purchase: Pig Coop
Initial cost: 18 RC
Additional: Pig
Additional Cost: 4000 coins
Consumed Crop: Sweet Potato

Product: Pork
Sell Price: (I do not currently have this animal coop, nor do I have any pork in my barn. I'm not certain how much it sells for.)

Goose Feather

Animal: Goose
Initial Purchase: Goose Pond
Initial cost: 5000 coins
Additional: Goose
Additional Cost: 4 RC
Consumed Crop: Lotus Flower

Product: Goose Feather
Sell Price: 49 coins

Profit from initial crop: 14 coins 28.6%

Turkey

Animal: White Turkey
Initial cost: 6500 coins
Consumed Crop: Rice

Product: Turkey
Sell Price: 135 coins

Profit from initial crop: 40 coins 29.6%

Add to Salami Machine to get Turkey Salami

Ostrich Feather

Animal: Black Ostrich
Initial cost: 4800 coins
Consumed Crop: Daisy

Product: Ostrich Feather
Sell Price: 45 coins

Profit from initial crop: 20 coins 44.4%