Effect of room temperature and dietary amino acid concentration on performance of lactating sows
Mixed-parity sows (n = 267) from five research stations were used to investigate whether a reduction of excess dietary amino acids would improve feed intake and performance of lactating sows experiencing heat stress. Experimental treatments included effects of room temperature (warm or hot) and diet...
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| Veröffentlicht in: | Journal of animal science 1999-07, Vol.77 (7), p.1638-1644 |
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| creator | Johnston, L.J Ellis, M Libal, G.W Mayrose, V.B Weldon, W.C |
| description | Mixed-parity sows (n = 267) from five research stations were used to investigate whether a reduction of excess dietary amino acids would improve feed intake and performance of lactating sows experiencing heat stress. Experimental treatments included effects of room temperature (warm or hot) and diet (adequate protein [AP] or low protein [LP]). The corn-soybean meal AP diet was formulated to contain 16.5% CP, .8% lysine, and .67% digestible lysine. The LP diet was formulated to contain 13.7% CP, .76% lysine, and .66% digestible lysine using corn, soybean meal, and synthetic lysine. Feed intake during gestation was standardized at 1.8 kg(.)sow(-1)(.)d(-1). At parturition, litter size was adjusted to no fewer than nine pigs. Mean high temperature in the warm and hot rooms was 20.4 and 29.2 degrees C and mean low temperature was 17.7 and 27.1 degrees C, respectively. The hot environment reduced (P < .01) feed intake of sows (4.19 vs 6.38 kg/d) during lactation, weaning weight of sows (176.2 vs 193.6 kg), percentage of sows displaying estrus (79.2 vs 93.4%) by d 15 postweaning, and litter growth rate (1.74 vs 2.11 kg/d) and increased (P < .01) respiration rate of sows on d 10 postpartum (71.9 vs 36.5 breaths/min) compared with the warm environment. Litter size and backfat loss of sows were not affected by treatments. No significant diet x room temperature interactions were observed for voluntary feed intake, body weight loss, backfat loss, or respiration rate of sows. Litter growth rate was depressed by feeding the LP diet in the warm room but was improved by feeding the LP diet in the hot room (warm-AP, 2.17; warm-LP, 2.05; hot-AP, 1.71; hot-LP, 1.77 kg/d; P < .05). Reduction of dietary crude protein combined with supplementation of crystalline lysine to reduce concentrations of excess dietary amino acids did not significantly reduce heat stress of sows, but it did support slight improvements in weight gain of litters nursing heat-stressed sows. |
| doi_str_mv | 10.2527/1999.7771638x |
| format | Article |
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Experimental treatments included effects of room temperature (warm or hot) and diet (adequate protein [AP] or low protein [LP]). The corn-soybean meal AP diet was formulated to contain 16.5% CP, .8% lysine, and .67% digestible lysine. The LP diet was formulated to contain 13.7% CP, .76% lysine, and .66% digestible lysine using corn, soybean meal, and synthetic lysine. Feed intake during gestation was standardized at 1.8 kg(.)sow(-1)(.)d(-1). At parturition, litter size was adjusted to no fewer than nine pigs. Mean high temperature in the warm and hot rooms was 20.4 and 29.2 degrees C and mean low temperature was 17.7 and 27.1 degrees C, respectively. The hot environment reduced (P < .01) feed intake of sows (4.19 vs 6.38 kg/d) during lactation, weaning weight of sows (176.2 vs 193.6 kg), percentage of sows displaying estrus (79.2 vs 93.4%) by d 15 postweaning, and litter growth rate (1.74 vs 2.11 kg/d) and increased (P < .01) respiration rate of sows on d 10 postpartum (71.9 vs 36.5 breaths/min) compared with the warm environment. Litter size and backfat loss of sows were not affected by treatments. No significant diet x room temperature interactions were observed for voluntary feed intake, body weight loss, backfat loss, or respiration rate of sows. Litter growth rate was depressed by feeding the LP diet in the warm room but was improved by feeding the LP diet in the hot room (warm-AP, 2.17; warm-LP, 2.05; hot-AP, 1.71; hot-LP, 1.77 kg/d; P < .05). Reduction of dietary crude protein combined with supplementation of crystalline lysine to reduce concentrations of excess dietary amino acids did not significantly reduce heat stress of sows, but it did support slight improvements in weight gain of litters nursing heat-stressed sows.</description><identifier>ISSN: 0021-8812</identifier><identifier>EISSN: 1525-3163</identifier><identifier>DOI: 10.2527/1999.7771638x</identifier><language>eng</language><publisher>Savoy, IL: American Society of Animal Science</publisher><subject>ambient temperature ; Amino acids ; Animal productions ; Animal reproduction ; backfat ; Biological and medical sciences ; body weight ; dietary protein ; digestibility ; farrowing ; fat thickness ; feed intake ; Fundamental and applied biological sciences. Psychology ; heat stress ; Hogs ; litter size ; litter weight ; liveweight gain ; lysine ; postweaning interval ; respiration rate ; sow lactation ; sows ; Temperature ; Terrestrial animal productions ; Vertebrates ; weaning</subject><ispartof>Journal of animal science, 1999-07, Vol.77 (7), p.1638-1644</ispartof><rights>1999 INIST-CNRS</rights><rights>Copyright American Society of Animal Science Jul 1999</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27915,27916</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1930171$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Johnston, L.J</creatorcontrib><creatorcontrib>Ellis, M</creatorcontrib><creatorcontrib>Libal, G.W</creatorcontrib><creatorcontrib>Mayrose, V.B</creatorcontrib><creatorcontrib>Weldon, W.C</creatorcontrib><title>Effect of room temperature and dietary amino acid concentration on performance of lactating sows</title><title>Journal of animal science</title><description>Mixed-parity sows (n = 267) from five research stations were used to investigate whether a reduction of excess dietary amino acids would improve feed intake and performance of lactating sows experiencing heat stress. Experimental treatments included effects of room temperature (warm or hot) and diet (adequate protein [AP] or low protein [LP]). The corn-soybean meal AP diet was formulated to contain 16.5% CP, .8% lysine, and .67% digestible lysine. The LP diet was formulated to contain 13.7% CP, .76% lysine, and .66% digestible lysine using corn, soybean meal, and synthetic lysine. Feed intake during gestation was standardized at 1.8 kg(.)sow(-1)(.)d(-1). At parturition, litter size was adjusted to no fewer than nine pigs. Mean high temperature in the warm and hot rooms was 20.4 and 29.2 degrees C and mean low temperature was 17.7 and 27.1 degrees C, respectively. The hot environment reduced (P < .01) feed intake of sows (4.19 vs 6.38 kg/d) during lactation, weaning weight of sows (176.2 vs 193.6 kg), percentage of sows displaying estrus (79.2 vs 93.4%) by d 15 postweaning, and litter growth rate (1.74 vs 2.11 kg/d) and increased (P < .01) respiration rate of sows on d 10 postpartum (71.9 vs 36.5 breaths/min) compared with the warm environment. Litter size and backfat loss of sows were not affected by treatments. No significant diet x room temperature interactions were observed for voluntary feed intake, body weight loss, backfat loss, or respiration rate of sows. Litter growth rate was depressed by feeding the LP diet in the warm room but was improved by feeding the LP diet in the hot room (warm-AP, 2.17; warm-LP, 2.05; hot-AP, 1.71; hot-LP, 1.77 kg/d; P < .05). Reduction of dietary crude protein combined with supplementation of crystalline lysine to reduce concentrations of excess dietary amino acids did not significantly reduce heat stress of sows, but it did support slight improvements in weight gain of litters nursing heat-stressed sows.</description><subject>ambient temperature</subject><subject>Amino acids</subject><subject>Animal productions</subject><subject>Animal reproduction</subject><subject>backfat</subject><subject>Biological and medical sciences</subject><subject>body weight</subject><subject>dietary protein</subject><subject>digestibility</subject><subject>farrowing</subject><subject>fat thickness</subject><subject>feed intake</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>heat stress</subject><subject>Hogs</subject><subject>litter size</subject><subject>litter weight</subject><subject>liveweight gain</subject><subject>lysine</subject><subject>postweaning interval</subject><subject>respiration rate</subject><subject>sow lactation</subject><subject>sows</subject><subject>Temperature</subject><subject>Terrestrial animal productions</subject><subject>Vertebrates</subject><subject>weaning</subject><issn>0021-8812</issn><issn>1525-3163</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNotj01LAzEQhoMoWKtHzwbxujWT7DaTo5RWhYIH7XlN81G2dDc1SVH_vZEWBoZ555l3Zgi5BTbhDZePoJSaSClhKvDnjIyg4U0lSnVORoxxqBCBX5KrlLaMAW9UMyKfc--dyTR4GkPoaXb93kWdD9FRPVhqO5d1_KW674ZAteksNWEwbsgF6sJAS5QBH2Kvi_zvs9Mml96woSl8p2ty4fUuuZtTHpPVYv4xe6mWb8-vs6dl5bkQubIS0DiQiIpZQFx7RK6mzjVWAK4Va6StPbO-Vp4ZJrUxSnheoxG1QI1iTO6PvvsYvg4u5XYbDnEoK1sOCMCVkgV6OEE6Gb3zsdzcpXYfu7482YISDCQU7O6IeR1avYkFWb1zBoJxJTiwqfgDB81sFg</recordid><startdate>19990701</startdate><enddate>19990701</enddate><creator>Johnston, L.J</creator><creator>Ellis, M</creator><creator>Libal, G.W</creator><creator>Mayrose, V.B</creator><creator>Weldon, W.C</creator><general>American Society of Animal Science</general><general>Oxford University Press</general><scope>FBQ</scope><scope>IQODW</scope><scope>3V.</scope><scope>7RQ</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M2P</scope><scope>M7P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>S0X</scope><scope>U9A</scope></search><sort><creationdate>19990701</creationdate><title>Effect of room temperature and dietary amino acid concentration on performance of lactating sows</title><author>Johnston, L.J ; Ellis, M ; Libal, G.W ; Mayrose, V.B ; Weldon, W.C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f233t-d718ce178890d188bf88296ee5d318b9057d4f0df49f0c07acc93f248c3438a83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>ambient temperature</topic><topic>Amino acids</topic><topic>Animal productions</topic><topic>Animal reproduction</topic><topic>backfat</topic><topic>Biological and medical sciences</topic><topic>body weight</topic><topic>dietary protein</topic><topic>digestibility</topic><topic>farrowing</topic><topic>fat thickness</topic><topic>feed intake</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>heat stress</topic><topic>Hogs</topic><topic>litter size</topic><topic>litter weight</topic><topic>liveweight gain</topic><topic>lysine</topic><topic>postweaning interval</topic><topic>respiration rate</topic><topic>sow lactation</topic><topic>sows</topic><topic>Temperature</topic><topic>Terrestrial animal productions</topic><topic>Vertebrates</topic><topic>weaning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Johnston, L.J</creatorcontrib><creatorcontrib>Ellis, M</creatorcontrib><creatorcontrib>Libal, G.W</creatorcontrib><creatorcontrib>Mayrose, V.B</creatorcontrib><creatorcontrib>Weldon, W.C</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>ProQuest Central (Corporate)</collection><collection>Career & Technical Education Database</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Engineering Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Engineering Database</collection><collection>Research Library (Corporate)</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><jtitle>Journal of animal science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Johnston, L.J</au><au>Ellis, M</au><au>Libal, G.W</au><au>Mayrose, V.B</au><au>Weldon, W.C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of room temperature and dietary amino acid concentration on performance of lactating sows</atitle><jtitle>Journal of animal science</jtitle><date>1999-07-01</date><risdate>1999</risdate><volume>77</volume><issue>7</issue><spage>1638</spage><epage>1644</epage><pages>1638-1644</pages><issn>0021-8812</issn><eissn>1525-3163</eissn><abstract>Mixed-parity sows (n = 267) from five research stations were used to investigate whether a reduction of excess dietary amino acids would improve feed intake and performance of lactating sows experiencing heat stress. Experimental treatments included effects of room temperature (warm or hot) and diet (adequate protein [AP] or low protein [LP]). The corn-soybean meal AP diet was formulated to contain 16.5% CP, .8% lysine, and .67% digestible lysine. The LP diet was formulated to contain 13.7% CP, .76% lysine, and .66% digestible lysine using corn, soybean meal, and synthetic lysine. Feed intake during gestation was standardized at 1.8 kg(.)sow(-1)(.)d(-1). At parturition, litter size was adjusted to no fewer than nine pigs. Mean high temperature in the warm and hot rooms was 20.4 and 29.2 degrees C and mean low temperature was 17.7 and 27.1 degrees C, respectively. The hot environment reduced (P < .01) feed intake of sows (4.19 vs 6.38 kg/d) during lactation, weaning weight of sows (176.2 vs 193.6 kg), percentage of sows displaying estrus (79.2 vs 93.4%) by d 15 postweaning, and litter growth rate (1.74 vs 2.11 kg/d) and increased (P < .01) respiration rate of sows on d 10 postpartum (71.9 vs 36.5 breaths/min) compared with the warm environment. Litter size and backfat loss of sows were not affected by treatments. No significant diet x room temperature interactions were observed for voluntary feed intake, body weight loss, backfat loss, or respiration rate of sows. Litter growth rate was depressed by feeding the LP diet in the warm room but was improved by feeding the LP diet in the hot room (warm-AP, 2.17; warm-LP, 2.05; hot-AP, 1.71; hot-LP, 1.77 kg/d; P < .05). Reduction of dietary crude protein combined with supplementation of crystalline lysine to reduce concentrations of excess dietary amino acids did not significantly reduce heat stress of sows, but it did support slight improvements in weight gain of litters nursing heat-stressed sows.</abstract><cop>Savoy, IL</cop><pub>American Society of Animal Science</pub><doi>10.2527/1999.7771638x</doi><tpages>7</tpages></addata></record> |
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| ispartof | Journal of animal science, 1999-07, Vol.77 (7), p.1638-1644 |
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| source | Oxford University Press Journals All Titles (1996-Current) |
| subjects | ambient temperature Amino acids Animal productions Animal reproduction backfat Biological and medical sciences body weight dietary protein digestibility farrowing fat thickness feed intake Fundamental and applied biological sciences. Psychology heat stress Hogs litter size litter weight liveweight gain lysine postweaning interval respiration rate sow lactation sows Temperature Terrestrial animal productions Vertebrates weaning |
| title | Effect of room temperature and dietary amino acid concentration on performance of lactating sows |
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