“Millions a day” is quite a low estimate;

“””here are the best estimates of how many animals are killed every day on a per-species basis.

Chickens: 206 million/day

Farmed Fish: Between 211 million and 339 million

Wild Fish: Between 3 billion and 6 billion

Ducks: 9 million

Pigs: 4 million

Geese: 2 million

Sheep: 1.7 million

Rabbits: 1.5 million

Turkeys: 1.4 million

Goats: 1.4 million

Cows: 846,000

Pigeons & other birds: 134,000

Buffalo: 77,000

Horses: 13,000

Other animals: 13,000

In total, this means that every 24 hours, between 3.4 and 6.5 billion animals are killed for food”””

- https://sentientmedia.org/how-many-animals-are-killed-for-fo...