| http://www.w3.org/ns/prov#value | - ??????the birds are starved for a period ranging from five to twenty-one days, either by complete withholding of food or sometimes the feeding of nutritionally deficient feeds-water may be withheld for briefer periods as well-together with light manipulation and feeding of drugs, hormones, and metals such as dietary aluminum and zinc.??? It???s common for hen body weight to drop by 25 to 35 percen
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