1.   Criticisms of factory farming have been rehearsed often enough.

2.   Factory farming of salmon is producing too many fish for too small a market.

3.   And with pollution, what happens to the water and the land, factory farming is wreaking havoc on the environment.

4.   A second factor is PSS, for porcine stress syndrome, which is caused by a gene often carried by breeds used for factory farming.

5.   Hunting, sport, factory farming, unnecessary animal experimentation.

6.   In factory farming, the breeder hens do not stay with the chicks.

7.   In the days before the factory farming of chickens, a mother hen passed her resistance to salmonella to her chicks through her fecal droppings.

8.   One of the attractions of the so-called historic livestock varieties is that they were bred in a day before factory farming and antibiotics.

9.   Their size prevents the concentration of animal wastes, inevitable in factory farming, that turns valuable manure into a pollutant.

10.   These are the breeds that factory farming forgot, once popular but now disappearing in favor of fast-growing animals that yield the highest profits.