In utero exposure of bovine fetuses to polychlorinated biphenyls [Cows, contaminated silage, toxicity]
Pregnant mature beef cows more than 6 mo from parturition were fed whole plant corn silage from either a silo (contaminated) that had been coated with a plastic containing polychlorinated biphenyls (Aroclor 1254) or from a silo (clean) that had not been coated with the plastic. In addition, a third...
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| Veröffentlicht in: | Journal of dairy science 1984-01, Vol.67 (1), p.224-228 |
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| creator | Perry, T.W Everson, R.J Hendrix, K.S Peterson, R.C Robinson, F.R |
| description | Pregnant mature beef cows more than 6 mo from parturition were fed whole plant corn silage from either a silo (contaminated) that had been coated with a plastic containing polychlorinated biphenyls (Aroclor 1254) or from a silo (clean) that had not been coated with the plastic. In addition, a third group of cows was fed silage from the clean silo plus 200 mg Aroclor 1254 per head daily (added polychlorinated biphenyls). After 30 days on treatment, one cow from each of the three treatments had her fetus removed by Caesarean section for assay of liver, thyroid, and fat for polychlorinated biphenyls content. Tissue content of polychlorinated biphenyls for fetuses from cows fed clean silage, contaminated silage, or added polychlorinated biphenyls was (microgram/g): liver, 3.6, 4.7, and 54.1; thyroid, 2.3, 19.4, and 121.1; fat, .65, 18.1, and 130.6, indicating polychlorinated biphenyls cross the placenta readily. Cow milk (colostrum) contents of polychlorinated biphenyls on the 1st day following parturition for the three respective treatments were .54, 8.5, and 96.4 micrograms/g (clean silage, contaminated silage, and added polychlorinated biphenyls). Fetuses taken from cows that had been removed from polychlorinated biphenyl exposure for 6 mo reflected previous treatments of dams by increased fetal fat stores of polychlorinated biphenyls. |
| doi_str_mv | 10.3168/jds.S0022-0302(84)81289-8 |
| format | Article |
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In addition, a third group of cows was fed silage from the clean silo plus 200 mg Aroclor 1254 per head daily (added polychlorinated biphenyls). After 30 days on treatment, one cow from each of the three treatments had her fetus removed by Caesarean section for assay of liver, thyroid, and fat for polychlorinated biphenyls content. Tissue content of polychlorinated biphenyls for fetuses from cows fed clean silage, contaminated silage, or added polychlorinated biphenyls was (microgram/g): liver, 3.6, 4.7, and 54.1; thyroid, 2.3, 19.4, and 121.1; fat, .65, 18.1, and 130.6, indicating polychlorinated biphenyls cross the placenta readily. Cow milk (colostrum) contents of polychlorinated biphenyls on the 1st day following parturition for the three respective treatments were .54, 8.5, and 96.4 micrograms/g (clean silage, contaminated silage, and added polychlorinated biphenyls). Fetuses taken from cows that had been removed from polychlorinated biphenyl exposure for 6 mo reflected previous treatments of dams by increased fetal fat stores of polychlorinated biphenyls.</description><identifier>ISSN: 0022-0302</identifier><identifier>EISSN: 1525-3198</identifier><identifier>DOI: 10.3168/jds.S0022-0302(84)81289-8</identifier><identifier>PMID: 6423708</identifier><language>eng</language><publisher>United States: Am Dairy Sci Assoc</publisher><subject>Adipose Tissue - analysis ; Animal Feed - analysis ; Animals ; Aroclors - analysis ; Aroclors - metabolism ; Cattle - embryology ; Chlorodiphenyl (54% Chlorine) ; Female ; Fetus - metabolism ; Food Contamination - analysis ; Liver - analysis ; Male ; Maternal-Fetal Exchange ; Milk - analysis ; Polychlorinated Biphenyls - metabolism ; Pregnancy ; Thyroid Gland - analysis</subject><ispartof>Journal of dairy science, 1984-01, Vol.67 (1), p.224-228</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3868-937acf7e53c78e9eed1edb6f68b2974f041f61ce954b45bffa17d1c516495b073</citedby><cites>FETCH-LOGICAL-c3868-937acf7e53c78e9eed1edb6f68b2974f041f61ce954b45bffa17d1c516495b073</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27869,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/6423708$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Perry, T.W</creatorcontrib><creatorcontrib>Everson, R.J</creatorcontrib><creatorcontrib>Hendrix, K.S</creatorcontrib><creatorcontrib>Peterson, R.C</creatorcontrib><creatorcontrib>Robinson, F.R</creatorcontrib><title>In utero exposure of bovine fetuses to polychlorinated biphenyls [Cows, contaminated silage, toxicity]</title><title>Journal of dairy science</title><addtitle>J Dairy Sci</addtitle><description>Pregnant mature beef cows more than 6 mo from parturition were fed whole plant corn silage from either a silo (contaminated) that had been coated with a plastic containing polychlorinated biphenyls (Aroclor 1254) or from a silo (clean) that had not been coated with the plastic. In addition, a third group of cows was fed silage from the clean silo plus 200 mg Aroclor 1254 per head daily (added polychlorinated biphenyls). After 30 days on treatment, one cow from each of the three treatments had her fetus removed by Caesarean section for assay of liver, thyroid, and fat for polychlorinated biphenyls content. Tissue content of polychlorinated biphenyls for fetuses from cows fed clean silage, contaminated silage, or added polychlorinated biphenyls was (microgram/g): liver, 3.6, 4.7, and 54.1; thyroid, 2.3, 19.4, and 121.1; fat, .65, 18.1, and 130.6, indicating polychlorinated biphenyls cross the placenta readily. Cow milk (colostrum) contents of polychlorinated biphenyls on the 1st day following parturition for the three respective treatments were .54, 8.5, and 96.4 micrograms/g (clean silage, contaminated silage, and added polychlorinated biphenyls). Fetuses taken from cows that had been removed from polychlorinated biphenyl exposure for 6 mo reflected previous treatments of dams by increased fetal fat stores of polychlorinated biphenyls.</description><subject>Adipose Tissue - analysis</subject><subject>Animal Feed - analysis</subject><subject>Animals</subject><subject>Aroclors - analysis</subject><subject>Aroclors - metabolism</subject><subject>Cattle - embryology</subject><subject>Chlorodiphenyl (54% Chlorine)</subject><subject>Female</subject><subject>Fetus - metabolism</subject><subject>Food Contamination - analysis</subject><subject>Liver - analysis</subject><subject>Male</subject><subject>Maternal-Fetal Exchange</subject><subject>Milk - analysis</subject><subject>Polychlorinated Biphenyls - metabolism</subject><subject>Pregnancy</subject><subject>Thyroid Gland - analysis</subject><issn>0022-0302</issn><issn>1525-3198</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>K30</sourceid><recordid>eNpdkVtrFEEQhRtR4ib6BwShRRSFTOzb9OVRlqiBgA8xTyJNT0_1bi-z05PuGZP9985mlzz4VBTnO1VFHYTeUXLBqdRfNm25uCGEsYpwwj5p8VlTpk2ln6EFrVldcWr0c7R4Ql6i01I2c0sZqU_QiRSMK6IXKFz1eBohJwwPQypTBpwCbtLf2AMOME4FCh4THlK38-su5di7EVrcxGEN_a4r-Pcy3Zdz7FM_uu1RLbFzKzifjQ_Rx3H35xV6EVxX4PWxnqHbb5e_lj-q65_fr5ZfryvPtdSV4cr5oKDmXmkwAC2FtpFB6oYZJQIRNEjqwdSiEXUTgqOqpb6mUpi6IYqfoY-HuUNOdxOU0W5j8dB1roc0FUu5ZrImYgbf_wdu0pT7-TZLtVKUGWbkTJkD5XMqJUOwQ45bl3eWErtPws5J2Mck7P7NVgv7mITVs_ftccPUbKF9ch5fP-sfDvo6rtb3MYMtW9d1M033U6Wy1DK2v_TNgQsuWbfKsdjbGy2kMobzf9A4m8o</recordid><startdate>198401</startdate><enddate>198401</enddate><creator>Perry, T.W</creator><creator>Everson, R.J</creator><creator>Hendrix, K.S</creator><creator>Peterson, R.C</creator><creator>Robinson, F.R</creator><general>Am Dairy Sci Assoc</general><general>American Dairy Science Association</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7WH</scope><scope>K30</scope><scope>PAAUG</scope><scope>PAWHS</scope><scope>PAWZZ</scope><scope>PAXOH</scope><scope>PBHAV</scope><scope>PBQSW</scope><scope>PBYQZ</scope><scope>PCIWU</scope><scope>PCMID</scope><scope>PCZJX</scope><scope>PDGRG</scope><scope>PDWWI</scope><scope>PETMR</scope><scope>PFVGT</scope><scope>PGXDX</scope><scope>PIHIL</scope><scope>PISVA</scope><scope>PJCTQ</scope><scope>PJTMS</scope><scope>PLCHJ</scope><scope>PMHAD</scope><scope>PNQDJ</scope><scope>POUND</scope><scope>PPLAD</scope><scope>PQAPC</scope><scope>PQCAN</scope><scope>PQCMW</scope><scope>PQEME</scope><scope>PQHKH</scope><scope>PQMID</scope><scope>PQNCT</scope><scope>PQNET</scope><scope>PQSCT</scope><scope>PQSET</scope><scope>PSVJG</scope><scope>PVMQY</scope><scope>PZGFC</scope><scope>7TV</scope><scope>7U7</scope><scope>C1K</scope></search><sort><creationdate>198401</creationdate><title>In utero exposure of bovine fetuses to polychlorinated biphenyls [Cows, contaminated silage, toxicity]</title><author>Perry, T.W ; Everson, R.J ; Hendrix, K.S ; Peterson, R.C ; Robinson, F.R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3868-937acf7e53c78e9eed1edb6f68b2974f041f61ce954b45bffa17d1c516495b073</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Adipose Tissue - 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In addition, a third group of cows was fed silage from the clean silo plus 200 mg Aroclor 1254 per head daily (added polychlorinated biphenyls). After 30 days on treatment, one cow from each of the three treatments had her fetus removed by Caesarean section for assay of liver, thyroid, and fat for polychlorinated biphenyls content. Tissue content of polychlorinated biphenyls for fetuses from cows fed clean silage, contaminated silage, or added polychlorinated biphenyls was (microgram/g): liver, 3.6, 4.7, and 54.1; thyroid, 2.3, 19.4, and 121.1; fat, .65, 18.1, and 130.6, indicating polychlorinated biphenyls cross the placenta readily. Cow milk (colostrum) contents of polychlorinated biphenyls on the 1st day following parturition for the three respective treatments were .54, 8.5, and 96.4 micrograms/g (clean silage, contaminated silage, and added polychlorinated biphenyls). Fetuses taken from cows that had been removed from polychlorinated biphenyl exposure for 6 mo reflected previous treatments of dams by increased fetal fat stores of polychlorinated biphenyls.</abstract><cop>United States</cop><pub>Am Dairy Sci Assoc</pub><pmid>6423708</pmid><doi>10.3168/jds.S0022-0302(84)81289-8</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0022-0302 |
| ispartof | Journal of dairy science, 1984-01, Vol.67 (1), p.224-228 |
| issn | 0022-0302 1525-3198 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_13826504 |
| source | MEDLINE; Periodicals Index Online; ScienceDirect Journals (5 years ago - present); EZB-FREE-00999 freely available EZB journals |
| subjects | Adipose Tissue - analysis Animal Feed - analysis Animals Aroclors - analysis Aroclors - metabolism Cattle - embryology Chlorodiphenyl (54% Chlorine) Female Fetus - metabolism Food Contamination - analysis Liver - analysis Male Maternal-Fetal Exchange Milk - analysis Polychlorinated Biphenyls - metabolism Pregnancy Thyroid Gland - analysis |
| title | In utero exposure of bovine fetuses to polychlorinated biphenyls [Cows, contaminated silage, toxicity] |
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