Acacia mearnsii extract as a feed additive: impact on feed intake, digestibility and nitrogen excretion by sheep fed a tropical grass-based diet/Extrato tanifero de Acacia mearnsii como aditivo alimentar: impacto sobre o consumo, digestibilidade e excrecao de nitrogenio em ovinos alimentados com urna dieta a base de graminea tropical
The aim of this study was to evaluate the effect of the dietary inclusion of Acacia mearnsii tannin extract (TA) on nutrients intake and digestibility, and nitrogen (N) retention by sheep given a tropical grass-based diet. The trial was conducted with six castrated male sheep in a cross-over design...
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| Veröffentlicht in: | Ciência rural 2020-09, Vol.50 (9), p.1 |
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| creator | Orlandi, Tiago Pozo, Claudio Antonio Mezzomo, Mariana Patricia Kozloski, Gilberto Vilmar |
| description | The aim of this study was to evaluate the effect of the dietary inclusion of Acacia mearnsii tannin extract (TA) on nutrients intake and digestibility, and nitrogen (N) retention by sheep given a tropical grass-based diet. The trial was conducted with six castrated male sheep in a cross-over design in two 21-days experimental periods. The sheep were housed in metabolic cages and offered Tifton 85 hay (Cynodon dactylon) ad libitum plus concentrate at a rate of 12 g of dry matter (DM)/kg body weight (BW). The treatments were concentrate without (Control) or with 10 g TA/kg DM (Tannin). Concentration of TA in the diet was 3.8 g/kg DM and did not affect the feed intake or apparent digestibility. The TA decreased the true digestibility of n compounds (P |
| doi_str_mv | 10.1590/0103-8478cr20200095 |
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The trial was conducted with six castrated male sheep in a cross-over design in two 21-days experimental periods. The sheep were housed in metabolic cages and offered Tifton 85 hay (Cynodon dactylon) ad libitum plus concentrate at a rate of 12 g of dry matter (DM)/kg body weight (BW). The treatments were concentrate without (Control) or with 10 g TA/kg DM (Tannin). Concentration of TA in the diet was 3.8 g/kg DM and did not affect the feed intake or apparent digestibility. The TA decreased the true digestibility of n compounds (P<0.05) whereas did not impact the N retention, microbial N flow to the small intestine or the efficiency of rumen microbial protein synthesis. In conclusion, a low dietary concentration of TA did not impact the nutrients supply and N use by sheep fed with a tropical grass-based diet. Key words: Cynodon dactylon, rumen microbial protein synthesis, tannins. O objetivo do presente estudo foi avahar o efeito da inclusao alimentar de extrato tanifero de Acacia mearnsii (TA) sobre o consumo, a digestibilidade e a retenqao de nitrogenio (N) em ovinos alimentados com urna dieta a base de graminea tropical. O experimento foi conduzido com seis ovinos machos castrados, em delineamento em reversao simples, com dois periodos experimentais de 21 dias cada. Os animais for am alojados em gaiolas metabolicas e alimentadas ad libitum comfeno de Tifton 85 (Cynodon dactylon) mais concentrado oferecido a urna taxa de 12 g de materia seca (MS)/kg de peso corporal. Os tratamentos foram: concentrado sem (Controle) ou com 10 g de TA/kg MS (Tanino). A concentraqao de TA na dieta foi de 3,8 g/kg MS e nao afetou o consumo e nem a digestibilidade aparente dos nutrientes. O TA diminuiu a digestibilidade verdadeira do N (P<0,05), mas nao afetou a retenqao de N, ofluxo microbiano de Npara o intestino delgado ou a eficiencia de sintese de proteina microbiana no rumen. Em conclusao, a inclusao de urna baixa dose de TA/kg MS na dieta nao afetou a oferta de nutrientes nem o uso de N em ovinos alimentados com urna dieta baseada em urna graminea tropical. Palavras-chave: Cynodon dactylon, sintese de proteina microbiana ruminal, taninos.</description><identifier>ISSN: 0103-8478</identifier><identifier>DOI: 10.1590/0103-8478cr20200095</identifier><language>eng</language><publisher>Universidade Federal de Santa Maria</publisher><ispartof>Ciência rural, 2020-09, Vol.50 (9), p.1</ispartof><rights>COPYRIGHT 2020 Universidade Federal de Santa Maria</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>314,776,780,860,27901,27902</link.rule.ids></links><search><creatorcontrib>Orlandi, Tiago</creatorcontrib><creatorcontrib>Pozo, Claudio Antonio</creatorcontrib><creatorcontrib>Mezzomo, Mariana Patricia</creatorcontrib><creatorcontrib>Kozloski, Gilberto Vilmar</creatorcontrib><title>Acacia mearnsii extract as a feed additive: impact on feed intake, digestibility and nitrogen excretion by sheep fed a tropical grass-based diet/Extrato tanifero de Acacia mearnsii como aditivo alimentar: impacto sobre o consumo, digestibilidade e excrecao de nitrogenio em ovinos alimentados com urna dieta a base de graminea tropical</title><title>Ciência rural</title><description>The aim of this study was to evaluate the effect of the dietary inclusion of Acacia mearnsii tannin extract (TA) on nutrients intake and digestibility, and nitrogen (N) retention by sheep given a tropical grass-based diet. The trial was conducted with six castrated male sheep in a cross-over design in two 21-days experimental periods. The sheep were housed in metabolic cages and offered Tifton 85 hay (Cynodon dactylon) ad libitum plus concentrate at a rate of 12 g of dry matter (DM)/kg body weight (BW). The treatments were concentrate without (Control) or with 10 g TA/kg DM (Tannin). Concentration of TA in the diet was 3.8 g/kg DM and did not affect the feed intake or apparent digestibility. The TA decreased the true digestibility of n compounds (P<0.05) whereas did not impact the N retention, microbial N flow to the small intestine or the efficiency of rumen microbial protein synthesis. In conclusion, a low dietary concentration of TA did not impact the nutrients supply and N use by sheep fed with a tropical grass-based diet. Key words: Cynodon dactylon, rumen microbial protein synthesis, tannins. O objetivo do presente estudo foi avahar o efeito da inclusao alimentar de extrato tanifero de Acacia mearnsii (TA) sobre o consumo, a digestibilidade e a retenqao de nitrogenio (N) em ovinos alimentados com urna dieta a base de graminea tropical. O experimento foi conduzido com seis ovinos machos castrados, em delineamento em reversao simples, com dois periodos experimentais de 21 dias cada. Os animais for am alojados em gaiolas metabolicas e alimentadas ad libitum comfeno de Tifton 85 (Cynodon dactylon) mais concentrado oferecido a urna taxa de 12 g de materia seca (MS)/kg de peso corporal. Os tratamentos foram: concentrado sem (Controle) ou com 10 g de TA/kg MS (Tanino). A concentraqao de TA na dieta foi de 3,8 g/kg MS e nao afetou o consumo e nem a digestibilidade aparente dos nutrientes. O TA diminuiu a digestibilidade verdadeira do N (P<0,05), mas nao afetou a retenqao de N, ofluxo microbiano de Npara o intestino delgado ou a eficiencia de sintese de proteina microbiana no rumen. Em conclusao, a inclusao de urna baixa dose de TA/kg MS na dieta nao afetou a oferta de nutrientes nem o uso de N em ovinos alimentados com urna dieta baseada em urna graminea tropical. Palavras-chave: Cynodon dactylon, sintese de proteina microbiana ruminal, taninos.</description><issn>0103-8478</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNptkU9vFDEMxQcJJErhE3CxxJVps5l_O9xWVYFKlXrpvfIkzmCYJKskrei3x9OlhSKUg6Nnv5dfkqp6v1Enm25Up2qjmnrbDluTtNJKqbF7WR09qa-rNzl_V0oPTdsevbjaGTSM4AlTyMxAP0tCUwAzIDgiC2gtF76jT8B-v7ZiODQ4FPxBH8HyTLnwxAuXe8BgIXBJcaYgaSZRYXFM95C_Ee3FKpEg_T0bXGBOmHM9YRbZMpXT8xWgRCgY2FGKYAn-hTTRR-FasaQu7ElQ0iNghBynRBBlLuRbH58hWpRAOpAZfIh_xOUI5CHecYj5KdbKXs6D2xTwgRAFf-VdnULvOdCf-7ytXjlcMr37XY-r68_n12df68urLxdnu8t67gddd1abFnGYWtP0OJiN051pJ9p2NAy60wpHQqft1I6jHXXneovOUt-g7XszUXNcfTjEzrjQDQcX11_znM3Nrm9a1Yx9p2Xq5D9Tsix5lrchx6L_ZfgFdMu96Q</recordid><startdate>20200901</startdate><enddate>20200901</enddate><creator>Orlandi, Tiago</creator><creator>Pozo, Claudio Antonio</creator><creator>Mezzomo, Mariana Patricia</creator><creator>Kozloski, Gilberto Vilmar</creator><general>Universidade Federal de Santa Maria</general><scope>INF</scope></search><sort><creationdate>20200901</creationdate><title>Acacia mearnsii extract as a feed additive: impact on feed intake, digestibility and nitrogen excretion by sheep fed a tropical grass-based diet/Extrato tanifero de Acacia mearnsii como aditivo alimentar: impacto sobre o consumo, digestibilidade e excrecao de nitrogenio em ovinos alimentados com urna dieta a base de graminea tropical</title><author>Orlandi, Tiago ; Pozo, Claudio Antonio ; Mezzomo, Mariana Patricia ; Kozloski, Gilberto Vilmar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g672-5d2c4aa7b4c36a7c1f25c4be85e772520a9eaf2db499d925f6dafde63ad66cbe3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Orlandi, Tiago</creatorcontrib><creatorcontrib>Pozo, Claudio Antonio</creatorcontrib><creatorcontrib>Mezzomo, Mariana Patricia</creatorcontrib><creatorcontrib>Kozloski, Gilberto Vilmar</creatorcontrib><collection>Gale OneFile: Informe Academico</collection><jtitle>Ciência rural</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Orlandi, Tiago</au><au>Pozo, Claudio Antonio</au><au>Mezzomo, Mariana Patricia</au><au>Kozloski, Gilberto Vilmar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Acacia mearnsii extract as a feed additive: impact on feed intake, digestibility and nitrogen excretion by sheep fed a tropical grass-based diet/Extrato tanifero de Acacia mearnsii como aditivo alimentar: impacto sobre o consumo, digestibilidade e excrecao de nitrogenio em ovinos alimentados com urna dieta a base de graminea tropical</atitle><jtitle>Ciência rural</jtitle><date>2020-09-01</date><risdate>2020</risdate><volume>50</volume><issue>9</issue><spage>1</spage><pages>1-</pages><issn>0103-8478</issn><abstract>The aim of this study was to evaluate the effect of the dietary inclusion of Acacia mearnsii tannin extract (TA) on nutrients intake and digestibility, and nitrogen (N) retention by sheep given a tropical grass-based diet. The trial was conducted with six castrated male sheep in a cross-over design in two 21-days experimental periods. The sheep were housed in metabolic cages and offered Tifton 85 hay (Cynodon dactylon) ad libitum plus concentrate at a rate of 12 g of dry matter (DM)/kg body weight (BW). The treatments were concentrate without (Control) or with 10 g TA/kg DM (Tannin). Concentration of TA in the diet was 3.8 g/kg DM and did not affect the feed intake or apparent digestibility. The TA decreased the true digestibility of n compounds (P<0.05) whereas did not impact the N retention, microbial N flow to the small intestine or the efficiency of rumen microbial protein synthesis. In conclusion, a low dietary concentration of TA did not impact the nutrients supply and N use by sheep fed with a tropical grass-based diet. Key words: Cynodon dactylon, rumen microbial protein synthesis, tannins. O objetivo do presente estudo foi avahar o efeito da inclusao alimentar de extrato tanifero de Acacia mearnsii (TA) sobre o consumo, a digestibilidade e a retenqao de nitrogenio (N) em ovinos alimentados com urna dieta a base de graminea tropical. O experimento foi conduzido com seis ovinos machos castrados, em delineamento em reversao simples, com dois periodos experimentais de 21 dias cada. Os animais for am alojados em gaiolas metabolicas e alimentadas ad libitum comfeno de Tifton 85 (Cynodon dactylon) mais concentrado oferecido a urna taxa de 12 g de materia seca (MS)/kg de peso corporal. Os tratamentos foram: concentrado sem (Controle) ou com 10 g de TA/kg MS (Tanino). A concentraqao de TA na dieta foi de 3,8 g/kg MS e nao afetou o consumo e nem a digestibilidade aparente dos nutrientes. O TA diminuiu a digestibilidade verdadeira do N (P<0,05), mas nao afetou a retenqao de N, ofluxo microbiano de Npara o intestino delgado ou a eficiencia de sintese de proteina microbiana no rumen. Em conclusao, a inclusao de urna baixa dose de TA/kg MS na dieta nao afetou a oferta de nutrientes nem o uso de N em ovinos alimentados com urna dieta baseada em urna graminea tropical. Palavras-chave: Cynodon dactylon, sintese de proteina microbiana ruminal, taninos.</abstract><pub>Universidade Federal de Santa Maria</pub><doi>10.1590/0103-8478cr20200095</doi></addata></record> |
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| title | Acacia mearnsii extract as a feed additive: impact on feed intake, digestibility and nitrogen excretion by sheep fed a tropical grass-based diet/Extrato tanifero de Acacia mearnsii como aditivo alimentar: impacto sobre o consumo, digestibilidade e excrecao de nitrogenio em ovinos alimentados com urna dieta a base de graminea tropical |
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