Open AccessEffects of polybrominated biphenyl on milk production, reproduction, and health problems in Holstein cows.
Author(s) -
M. E. Wastell,
Dorothy L. Moody,
J F Plog
Publication year - 1978
Publication title -
environmental health perspectives
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.257
H-Index - 282
eISSN - 1552-9924
pISSN - 0091-6765
DOI - 10.1289/ehp.782399
Subject(s) - reproduction , zoology , polychlorinated biphenyl , polybrominated biphenyls , biology , milk production , body weight , lactation , ice calving , incidence (geometry) , weight gain , veterinary medicine , medicine , pregnancy , polybrominated diphenyl ethers , endocrinology , ecology , genetics , pollutant , physics , optics
PBB found in relatively low levels among animals present on a cross-section of Michigan farms during the time PBB was inadvertantly added to dairy feeds had no effect upon these animals' milk production, body weight, weight gain, breeding and reproduction performance, incidence of commonly experienced health problems, calving rate, and the health of their calves. No significant differences in these vital areas could be seen between Michigan animals exposed to PBB and equivalent Wisconsin animals which had not been exposed to PBB when both groups were subjected to equivalent management practices. No pattern of gross of histopathological lesions was seen upon necropsy between test animals and control animals.