Effects of dietary lysine levels on apparent nutrient digestibility and serum amino acid absorption mode in growing pigs
Two experiments were conducted to determine the effects of different dietary lysine levels on the apparent nutrient digestibility, the serum amino acid (AA) concentration, and the biochemical parameters of the precaval and portal vein blood in growing pigs. In Experiment 1, 15 noncannulated pigs rec...
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| Veröffentlicht in: | Asian-australasian journal of animal sciences 2013-07, Vol.26 (7) |
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| container_title | Asian-australasian journal of animal sciences |
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| creator | Zeng, P.L Yan, H.C Wang, X.Q Zhang, C.M Zhu, C Shu, G Jiang, Q.Y |
| description | Two experiments were conducted to determine the effects of different dietary lysine levels on the apparent nutrient digestibility, the serum amino acid (AA) concentration, and the biochemical parameters of the precaval and portal vein blood in growing pigs. In Experiment 1, 15 noncannulated pigs received diets with different lysine densities (0.65%, 0.95%, and 1.25% lysine) for 13 d. A total collection digestion test was performed, and blood samples were collected from the precaval vein at the end of the experiment. In Experiment 2, four cannulated pigs were fed the same diets of Experiment 1. The experiment used a self-control experimental design and was divided into three periods. On d 5 of each period, at 0.5 h before feeding and hourly up to 8 h after feeding, single blood samples were collected from catheters placed in the portal vein. In Experiment 1, some serum AAs (including lysine), serum urinary nitrogen (SUN), and total protein (TP) concentrations were significantly affected by the dietary lysine levels (p |
| doi_str_mv | 10.5713/ajas.2013.12555 |
| format | Article |
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In Experiment 1, 15 noncannulated pigs received diets with different lysine densities (0.65%, 0.95%, and 1.25% lysine) for 13 d. A total collection digestion test was performed, and blood samples were collected from the precaval vein at the end of the experiment. In Experiment 2, four cannulated pigs were fed the same diets of Experiment 1. The experiment used a self-control experimental design and was divided into three periods. On d 5 of each period, at 0.5 h before feeding and hourly up to 8 h after feeding, single blood samples were collected from catheters placed in the portal vein. In Experiment 1, some serum AAs (including lysine), serum urinary nitrogen (SUN), and total protein (TP) concentrations were significantly affected by the dietary lysine levels (p<0.05). Moreover, the 0.65% lysine treatment showed a significant lower apparent digestibility of gross energy, dry matter, crude protein, and phosphorus than the other treatments (p<0.05). In Experiment 2, serum lysine, histidine, phenylalanine, threonine, valine, isoleucine (p = 0.0588), triglyceride, and SUN (p = 0.0572) concentrations were significantly affected by the dietary lysine levels (p<0.05). Additionally, almost all of the determined serum AA and total AA concentrations reached their lowest values at 0.5 h before feeding and their highest values at 2 h after feeding (p<0.05). These findings indicate that the greatest absorption of AA occurred at 2 h after feeding and that the dynamic profile of serum AA is affected by the dietary lysine levels. Moreover, when the dietary lysine content was 0.95%, the growing pigs achieved a better nutrient digestibility and serum metabolites levels.</description><identifier>ISSN: 1011-2367</identifier><identifier>DOI: 10.5713/ajas.2013.12555</identifier><language>eng</language><publisher>Asian - Australasian Association of Animal Production Societies</publisher><subject>Dosage and administration ; Feed utilization efficiency ; Food and nutrition ; Lysine ; Swine</subject><ispartof>Asian-australasian journal of animal sciences, 2013-07, Vol.26 (7)</ispartof><rights>COPYRIGHT 2013 Asian - Australasian Association of Animal Production Societies</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,860,27901,27902</link.rule.ids></links><search><creatorcontrib>Zeng, P.L</creatorcontrib><creatorcontrib>Yan, H.C</creatorcontrib><creatorcontrib>Wang, X.Q</creatorcontrib><creatorcontrib>Zhang, C.M</creatorcontrib><creatorcontrib>Zhu, C</creatorcontrib><creatorcontrib>Shu, G</creatorcontrib><creatorcontrib>Jiang, Q.Y</creatorcontrib><title>Effects of dietary lysine levels on apparent nutrient digestibility and serum amino acid absorption mode in growing pigs</title><title>Asian-australasian journal of animal sciences</title><description>Two experiments were conducted to determine the effects of different dietary lysine levels on the apparent nutrient digestibility, the serum amino acid (AA) concentration, and the biochemical parameters of the precaval and portal vein blood in growing pigs. In Experiment 1, 15 noncannulated pigs received diets with different lysine densities (0.65%, 0.95%, and 1.25% lysine) for 13 d. A total collection digestion test was performed, and blood samples were collected from the precaval vein at the end of the experiment. In Experiment 2, four cannulated pigs were fed the same diets of Experiment 1. The experiment used a self-control experimental design and was divided into three periods. On d 5 of each period, at 0.5 h before feeding and hourly up to 8 h after feeding, single blood samples were collected from catheters placed in the portal vein. In Experiment 1, some serum AAs (including lysine), serum urinary nitrogen (SUN), and total protein (TP) concentrations were significantly affected by the dietary lysine levels (p<0.05). Moreover, the 0.65% lysine treatment showed a significant lower apparent digestibility of gross energy, dry matter, crude protein, and phosphorus than the other treatments (p<0.05). In Experiment 2, serum lysine, histidine, phenylalanine, threonine, valine, isoleucine (p = 0.0588), triglyceride, and SUN (p = 0.0572) concentrations were significantly affected by the dietary lysine levels (p<0.05). Additionally, almost all of the determined serum AA and total AA concentrations reached their lowest values at 0.5 h before feeding and their highest values at 2 h after feeding (p<0.05). These findings indicate that the greatest absorption of AA occurred at 2 h after feeding and that the dynamic profile of serum AA is affected by the dietary lysine levels. Moreover, when the dietary lysine content was 0.95%, the growing pigs achieved a better nutrient digestibility and serum metabolites levels.</description><subject>Dosage and administration</subject><subject>Feed utilization efficiency</subject><subject>Food and nutrition</subject><subject>Lysine</subject><subject>Swine</subject><issn>1011-2367</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqNi0FOwzAQRb0AiUJZdzsS64Y4rutsESriAOyraTyxpnLsyOMCuT1F4gCs_pPe-0ptdNtYp80znlGartWm0Z219katdKv1tjN7d6fuRc5ta3ed61fq-zCONFSBPIJnqlgWiItwIoj0SfEqEuA8Y6FUIV1q4V_wHEgqnzhyXQCTB6FymQAnThlwYA94klzmytf_lD0BJwglf3EKMHOQtbodMQo9_u2Deno7fLy-bwNGOnIacy04TCzD8cUY53Tf7435X_UDqCNS_A</recordid><startdate>20130701</startdate><enddate>20130701</enddate><creator>Zeng, P.L</creator><creator>Yan, H.C</creator><creator>Wang, X.Q</creator><creator>Zhang, C.M</creator><creator>Zhu, C</creator><creator>Shu, G</creator><creator>Jiang, Q.Y</creator><general>Asian - Australasian Association of Animal Production Societies</general><scope/></search><sort><creationdate>20130701</creationdate><title>Effects of dietary lysine levels on apparent nutrient digestibility and serum amino acid absorption mode in growing pigs</title><author>Zeng, P.L ; Yan, H.C ; Wang, X.Q ; Zhang, C.M ; Zhu, C ; Shu, G ; Jiang, Q.Y</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-gale_infotracmisc_A3377188633</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Dosage and administration</topic><topic>Feed utilization efficiency</topic><topic>Food and nutrition</topic><topic>Lysine</topic><topic>Swine</topic><toplevel>online_resources</toplevel><creatorcontrib>Zeng, P.L</creatorcontrib><creatorcontrib>Yan, H.C</creatorcontrib><creatorcontrib>Wang, X.Q</creatorcontrib><creatorcontrib>Zhang, C.M</creatorcontrib><creatorcontrib>Zhu, C</creatorcontrib><creatorcontrib>Shu, G</creatorcontrib><creatorcontrib>Jiang, Q.Y</creatorcontrib><jtitle>Asian-australasian journal of animal sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zeng, P.L</au><au>Yan, H.C</au><au>Wang, X.Q</au><au>Zhang, C.M</au><au>Zhu, C</au><au>Shu, G</au><au>Jiang, Q.Y</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of dietary lysine levels on apparent nutrient digestibility and serum amino acid absorption mode in growing pigs</atitle><jtitle>Asian-australasian journal of animal sciences</jtitle><date>2013-07-01</date><risdate>2013</risdate><volume>26</volume><issue>7</issue><issn>1011-2367</issn><abstract>Two experiments were conducted to determine the effects of different dietary lysine levels on the apparent nutrient digestibility, the serum amino acid (AA) concentration, and the biochemical parameters of the precaval and portal vein blood in growing pigs. In Experiment 1, 15 noncannulated pigs received diets with different lysine densities (0.65%, 0.95%, and 1.25% lysine) for 13 d. A total collection digestion test was performed, and blood samples were collected from the precaval vein at the end of the experiment. In Experiment 2, four cannulated pigs were fed the same diets of Experiment 1. The experiment used a self-control experimental design and was divided into three periods. On d 5 of each period, at 0.5 h before feeding and hourly up to 8 h after feeding, single blood samples were collected from catheters placed in the portal vein. In Experiment 1, some serum AAs (including lysine), serum urinary nitrogen (SUN), and total protein (TP) concentrations were significantly affected by the dietary lysine levels (p<0.05). Moreover, the 0.65% lysine treatment showed a significant lower apparent digestibility of gross energy, dry matter, crude protein, and phosphorus than the other treatments (p<0.05). In Experiment 2, serum lysine, histidine, phenylalanine, threonine, valine, isoleucine (p = 0.0588), triglyceride, and SUN (p = 0.0572) concentrations were significantly affected by the dietary lysine levels (p<0.05). Additionally, almost all of the determined serum AA and total AA concentrations reached their lowest values at 0.5 h before feeding and their highest values at 2 h after feeding (p<0.05). These findings indicate that the greatest absorption of AA occurred at 2 h after feeding and that the dynamic profile of serum AA is affected by the dietary lysine levels. Moreover, when the dietary lysine content was 0.95%, the growing pigs achieved a better nutrient digestibility and serum metabolites levels.</abstract><pub>Asian - Australasian Association of Animal Production Societies</pub><doi>10.5713/ajas.2013.12555</doi></addata></record> |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; PubMed Central Open Access |
| subjects | Dosage and administration Feed utilization efficiency Food and nutrition Lysine Swine |
| title | Effects of dietary lysine levels on apparent nutrient digestibility and serum amino acid absorption mode in growing pigs |
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