General

Slaughterhouse processes produce a number of by-products. They are treated separately.

The by-products can be divided into the following groups:

suitable for human consumption or pet food;
not suitable for human consumption or pet food, e.g. skin, feathers or unborn dung;
alimentary canal.

Dutch production of slaughter by-products

	output

pigs	per animal	11,5
total	19,5 mln	224,0

cattle	per animal	188,1
total	0.94 mln	176,8

calves	per animal	93,1
total	1,39mln	129,4

total		530,0

purpose
slaughter by- products sector	petfood	human	other	unit
2,0	2,5	3,9	3,1	kg/animal
39,0	48,8	76,1	60,5	mln kg

5,4	31,8	20,2	130,7	kg/animal
5,1	29,9	19,0	122,9	mln kg

2,7	8,4	9,9	72,1	kg/animal
3,8	11,7	13,8	100,2	mln kg

47,9	90,4	108,9	283,6	mln kg

Source: Association of Traders and Processors of Slaughter by-products, HBS - 1999 estimate

Slaughter by-products processing companies comply with the GMP (Good Manufacturing Practice) requirements.