Millions of people drive by sow breeding facilities every day without any inkling of the thousands of pregnant or lactating sows crammed within cold steel bars behind those anonymous walls.
The Humane Society of the United States has just released an undercover report and video on the horrible conditions found inside a Smithfield-owned sow breeding facility in Virginia.
The authors wish to thank staff at the University of Guelph Arkell Swine Research Station for overseeing the sow breeding program and staff at Conestoga Farm Fresh Pork for their assistance in ovary collection.
The variables - region of the herd, size of the herd, source of semen, rodents control, number of pigs per pen, age of breeding sows, breeding sector room, source of feed and use of antibiotics - were selected to enter the multivariable model.
Finally, the main division lies between spring sown and winter sown pea breeding, although one may feed the other for some crosses which may be the origin of the few mismatches observed.
All PB sows were breeding animals from nucleus farms, whereas the CB sows belonged to farms where combined crossbred and pure line selection (CCPS) is applied.
To find possible carriers of the virus, blood samples were collected from 9 pregnant sows, 10 nonpregnant sows, and 30 breeding boars and analyzed for OvHV-2 DNA.
There is the abusive father, brilliantly played by Peter Mullan, who breathes both fury and pathos into the role of John Guthrie, a turn-of-the-century farming patriarch torn between the anger of devotion (he sings hymns while harvesting) and the demons of violence and lust (he beats his son and beds his wife "like a breeding sow", the screams of sex and childbirth intermingled).
Artificial insemination is the predominant practice for breeding sows in Sweden (approximately 95% of the sows are subjected to AI, Wallgren M, personal communication).
Yesterday Maff inspectors destroyed 1,500 pigs, including 500 breeding sows, at a breeding unit in Quidenham, near Thetford, Norfolk.
After that low of 112p a kilo, producers in Germany slaughtered breeding sows to reduce supply.
