Please name any animal products often used in agriculture?

Question

Some product that requires an animal's life to be taken.

Answer 1

fertiliser, for instance  blood and bone

Answer 2

Your question is confusing! However I'll reply to your basic question and leave the rest.

Animals are used in agriculture for ages bullocks, cows, buffaloes, camel and horses are used as animal power for various tasks.

Their dung and urine are best fertilizers, those supplying digested minerals along with useful bacteria and enzymes, hormones etc.

Milk is one of the best fungicide, used to eradicate mildew from your crops.

Blood, bones and flesh are having very good nutrient values and used as fertilizers.

We can obtain bio-gas from animal (including in above list) goat, sheep, poultry (and human) dung and use it to generate power for farm use, or even as fuel in farm vehicles.

Animal help us to make our farm self-sufficient.

Answer 3

leather gloves, you need to kill the cow to get the leather

Answer 4

Dead animals for fertilizers.  Cows, carabaos, horses and even dogs are used to move carts from one place to another.

Answer 5

pesticides kill bugs

genetically altered corn is wiping out monarch butterflies,

field clearing removes native animals