Relationship between feed withdrawal and viscera condition of broilers
This study was conducted to investigate the effects of feed withdrawal on the viscera of commercial broilers. Birds were withdrawn from feed 0, 3, 9, 12, 14, 16, or 18 h before slaughter. Crop and gizzard contents were determined after dissection, and intestinal shape and villi were subjectively sco...
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| Veröffentlicht in: | Poultry science 1997-02, Vol.76 (2), p.410-414 |
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| creator | Northcutt, J.K. (The University of Georgia, Athens, GA.) Savage, S.I Vest, L.R |
| description | This study was conducted to investigate the effects of feed withdrawal on the viscera of commercial broilers. Birds were withdrawn from feed 0, 3, 9, 12, 14, 16, or 18 h before slaughter. Crop and gizzard contents were determined after dissection, and intestinal shape and villi were subjectively scored. Raw liver color was measured colorimetrically. Length of feed withdrawal (time) and its interaction with grower (time by grower) and replication (time by replication) had a significant effect (P < 0.05) on gizzard contents, intestinal shape, and villi; however, time by grower and time by replication did not affect the crop contents or the incidence of bile contamination in the digestive tract. Results also suggested that the integrity of the intestines declined after 12 to 14 h feed withdrawal, as indicated by heavy intestinal sloughing. Color analyses of livers showed that length of feed withdrawal did not affect lightness (L* values), but livers became less red (lower positive a*) as feed withdrawal time increased. It was concluded that length of feed withdrawal significantly affected the gastrointestinal tract; however, variation in the appearance of the liver could not be attributed solely to broiler feed withdrawal time. |
| doi_str_mv | 10.1093/ps/76.2.410 |
| format | Article |
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Results also suggested that the integrity of the intestines declined after 12 to 14 h feed withdrawal, as indicated by heavy intestinal sloughing. Color analyses of livers showed that length of feed withdrawal did not affect lightness (L* values), but livers became less red (lower positive a*) as feed withdrawal time increased. 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(The University of Georgia, Athens, GA.)</creatorcontrib><creatorcontrib>Savage, S.I</creatorcontrib><creatorcontrib>Vest, L.R</creatorcontrib><title>Relationship between feed withdrawal and viscera condition of broilers</title><title>Poultry science</title><addtitle>Poult Sci</addtitle><description>This study was conducted to investigate the effects of feed withdrawal on the viscera of commercial broilers. Birds were withdrawn from feed 0, 3, 9, 12, 14, 16, or 18 h before slaughter. Crop and gizzard contents were determined after dissection, and intestinal shape and villi were subjectively scored. Raw liver color was measured colorimetrically. Length of feed withdrawal (time) and its interaction with grower (time by grower) and replication (time by replication) had a significant effect (P < 0.05) on gizzard contents, intestinal shape, and villi; however, time by grower and time by replication did not affect the crop contents or the incidence of bile contamination in the digestive tract. Results also suggested that the integrity of the intestines declined after 12 to 14 h feed withdrawal, as indicated by heavy intestinal sloughing. Color analyses of livers showed that length of feed withdrawal did not affect lightness (L* values), but livers became less red (lower positive a*) as feed withdrawal time increased. It was concluded that length of feed withdrawal significantly affected the gastrointestinal tract; however, variation in the appearance of the liver could not be attributed solely to broiler feed withdrawal time.</description><subject>Abattoirs</subject><subject>Animal Husbandry - standards</subject><subject>Animals</subject><subject>APPAREIL DIGESTIF</subject><subject>BILE</subject><subject>BILIS</subject><subject>BROILER CHICKENS</subject><subject>Chickens</subject><subject>COLOR</subject><subject>COLOUR</subject><subject>COULEUR</subject><subject>CROP</subject><subject>Crop, Avian</subject><subject>DIGESTA</subject><subject>DIGESTIVE SYSTEM</subject><subject>DURACION</subject><subject>DURATION</subject><subject>DUREE</subject><subject>ESOFAGO</subject><subject>FOIE</subject><subject>FOOD DEPRIVATION</subject><subject>GESIER</subject><subject>GIZZARD</subject><subject>Gizzard, Avian</subject><subject>HIGADO</subject><subject>INANICION</subject><subject>INANITION</subject><subject>INTESTIN</subject><subject>INTESTINES</subject><subject>INTESTINOS</subject><subject>LIVER</subject><subject>Meat - standards</subject><subject>MEMBRANA MUCOSA</subject><subject>MOLLEJA (ESTOMAGO)</subject><subject>MUCOUS MEMBRANE</subject><subject>MUQUEUSE</subject><subject>OESOPHAGE</subject><subject>OESOPHAGUS</subject><subject>POLLO DE ENGORDE</subject><subject>POULET DE CHAIR</subject><subject>SISTEMA DIGESTIVO</subject><subject>STARVATION</subject><subject>Time Factors</subject><subject>Viscera</subject><issn>0032-5791</issn><issn>1525-3171</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kMFLwzAUxoMoc05P3gQhJy_S7SVpkvYow6kwEHSeQ9q-uErX1KRz-N-7suHpHb7f9_H4EXLNYMogF7MuzrSa8mnK4ISMmeQyEUyzUzIGEDyROmfn5CLGLwDOlNIjMspBas71mCzesLF97du4rjtaYL9DbKlDrOiu7tdVsDvbUNtW9KeOJQZLS99W9dCg3tEi-LrBEC_JmbNNxKvjnZDV4nE1f06Wr08v84dlUooU-sQhQFWgtEowcDaTGbeFxRyyDJgGgcoJ7hhXhVIcypTrVKUMi7IEh7kUE3J3mO2C_95i7M1m-KppbIt-G43OMpWCGMD7A1gGH2NAZ7pQb2z4NQzMIM10e1oZbvbS9vTtcXZbbLD6Z4-W9vnNIXfWG_sZ6mg-3nPNUilB_AEnrW_E</recordid><startdate>19970201</startdate><enddate>19970201</enddate><creator>Northcutt, J.K. 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(The University of Georgia, Athens, GA.) ; Savage, S.I ; Vest, L.R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-fe00dbe5a6310fa8582abae908801703e6f32f126b6620c4274641ebcc0fe953</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Abattoirs</topic><topic>Animal Husbandry - standards</topic><topic>Animals</topic><topic>APPAREIL DIGESTIF</topic><topic>BILE</topic><topic>BILIS</topic><topic>BROILER CHICKENS</topic><topic>Chickens</topic><topic>COLOR</topic><topic>COLOUR</topic><topic>COULEUR</topic><topic>CROP</topic><topic>Crop, Avian</topic><topic>DIGESTA</topic><topic>DIGESTIVE SYSTEM</topic><topic>DURACION</topic><topic>DURATION</topic><topic>DUREE</topic><topic>ESOFAGO</topic><topic>FOIE</topic><topic>FOOD DEPRIVATION</topic><topic>GESIER</topic><topic>GIZZARD</topic><topic>Gizzard, Avian</topic><topic>HIGADO</topic><topic>INANICION</topic><topic>INANITION</topic><topic>INTESTIN</topic><topic>INTESTINES</topic><topic>INTESTINOS</topic><topic>LIVER</topic><topic>Meat - standards</topic><topic>MEMBRANA MUCOSA</topic><topic>MOLLEJA (ESTOMAGO)</topic><topic>MUCOUS MEMBRANE</topic><topic>MUQUEUSE</topic><topic>OESOPHAGE</topic><topic>OESOPHAGUS</topic><topic>POLLO DE ENGORDE</topic><topic>POULET DE CHAIR</topic><topic>SISTEMA DIGESTIVO</topic><topic>STARVATION</topic><topic>Time Factors</topic><topic>Viscera</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Northcutt, J.K. (The University of Georgia, Athens, GA.)</creatorcontrib><creatorcontrib>Savage, S.I</creatorcontrib><creatorcontrib>Vest, L.R</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Poultry science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Northcutt, J.K. (The University of Georgia, Athens, GA.)</au><au>Savage, S.I</au><au>Vest, L.R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Relationship between feed withdrawal and viscera condition of broilers</atitle><jtitle>Poultry science</jtitle><addtitle>Poult Sci</addtitle><date>1997-02-01</date><risdate>1997</risdate><volume>76</volume><issue>2</issue><spage>410</spage><epage>414</epage><pages>410-414</pages><issn>0032-5791</issn><eissn>1525-3171</eissn><abstract>This study was conducted to investigate the effects of feed withdrawal on the viscera of commercial broilers. Birds were withdrawn from feed 0, 3, 9, 12, 14, 16, or 18 h before slaughter. Crop and gizzard contents were determined after dissection, and intestinal shape and villi were subjectively scored. Raw liver color was measured colorimetrically. Length of feed withdrawal (time) and its interaction with grower (time by grower) and replication (time by replication) had a significant effect (P < 0.05) on gizzard contents, intestinal shape, and villi; however, time by grower and time by replication did not affect the crop contents or the incidence of bile contamination in the digestive tract. Results also suggested that the integrity of the intestines declined after 12 to 14 h feed withdrawal, as indicated by heavy intestinal sloughing. Color analyses of livers showed that length of feed withdrawal did not affect lightness (L* values), but livers became less red (lower positive a*) as feed withdrawal time increased. It was concluded that length of feed withdrawal significantly affected the gastrointestinal tract; however, variation in the appearance of the liver could not be attributed solely to broiler feed withdrawal time.</abstract><cop>England</cop><pmid>9057227</pmid><doi>10.1093/ps/76.2.410</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Abattoirs Animal Husbandry - standards Animals APPAREIL DIGESTIF BILE BILIS BROILER CHICKENS Chickens COLOR COLOUR COULEUR CROP Crop, Avian DIGESTA DIGESTIVE SYSTEM DURACION DURATION DUREE ESOFAGO FOIE FOOD DEPRIVATION GESIER GIZZARD Gizzard, Avian HIGADO INANICION INANITION INTESTIN INTESTINES INTESTINOS LIVER Meat - standards MEMBRANA MUCOSA MOLLEJA (ESTOMAGO) MUCOUS MEMBRANE MUQUEUSE OESOPHAGE OESOPHAGUS POLLO DE ENGORDE POULET DE CHAIR SISTEMA DIGESTIVO STARVATION Time Factors Viscera |
| title | Relationship between feed withdrawal and viscera condition of broilers |
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