14.American Agriculturist, March 1967.
15.C.RiddellandR.Springer,“AnEpizootiologicalStudyof
Acute Death Syndrome and Leg Weakness in Broiler
Chickensin Western Canada,” AvianDiseases 29: 90–102
(1986);P.SteeleandJ.Edgar,“ImportanceofAcuteDeath
SyndromeinMortalitiesinBroilerChickenFlocks,”Poultry
Science61: 63–66 (1982).
16.R.Newberry,J.Hunt,andE.Gardiner,“LightIntensity
EffectsonPerformance,Activity,LegDisorders,andSudden
DeathSyndromeofRoasterChickens,”PoultryScience66:
1446–1450 (1987).
17.Trevor Bray, as reported inPoultry World, June 14, 1984.
18.SeethestudiesbyRiddellandSpringer,andbySteeleand
Edgar, cited in note 15 above.
19.D.WiseandA.Jennings,“DyschondroplasiainDomestic
Poultry,”Veterinary Record91: 285–286 (1972).
20.G.Carpenteretal.,“EffectofInternalAirFiltrationon
thePerformanceofBroilersandtheAerialConcentrationsof
Dust and Bacteria,” British Poultry Journal 27: 471–480
(1986).
21.“AirinYourShedaRisktoYourHealth,”PoultryDigest,
December/January 1988.
22.The Washington Times, October 22, 1987.