Influence of nutritional management prior to adaptation to a feedlot diet on ruminal microbiota of Nellore cattle
ABSTRACT The objective of this study was to evaluate the effect of either a limited forage intake or concentrate supplementation prior to the adaptation to high-concentrate diets on dry matter intake, ruminal pH, bacteria, and protozoa of Nellore cattle. The experiment was designed as a two 3×3 Lati...
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| Format: | Article |
| Language: | English |
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Sociedade Brasileira de Zootecnia
2023-08-01
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| Series: | Revista Brasileira de Zootecnia |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982023000100806&tlng=en |
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| author | Ana Carolina Janssen Pinto Gustavo Perina Bertoldi Luana Doretto Felizari Breno Leite Demartini Evandro Fernando Ferreira Dias Mariana Martins Squizatti Antonio Marcos Silvestre Flavio Perna Junior Lígia Garcia Mesquita Johnny Maciel Souza Paulo Henrique Mazza Rodrigues Gustavo D. Cruz Danilo Domingues Millen |
| author_facet | Ana Carolina Janssen Pinto Gustavo Perina Bertoldi Luana Doretto Felizari Breno Leite Demartini Evandro Fernando Ferreira Dias Mariana Martins Squizatti Antonio Marcos Silvestre Flavio Perna Junior Lígia Garcia Mesquita Johnny Maciel Souza Paulo Henrique Mazza Rodrigues Gustavo D. Cruz Danilo Domingues Millen |
| author_sort | Ana Carolina Janssen Pinto |
| collection | DOAJ |
| description | ABSTRACT The objective of this study was to evaluate the effect of either a limited forage intake or concentrate supplementation prior to the adaptation to high-concentrate diets on dry matter intake, ruminal pH, bacteria, and protozoa of Nellore cattle. The experiment was designed as a two 3×3 Latin square, and six cannulated Nellore steers were used. Each experimental period was composed by three feeding phases: pre-adaptation (14 days), adaptation (12 days), and finishing (seven days) diet, in a total of 33 days per period. The steers were assigned to one of three pre-adaptation dietary treatments: control (Tifton hay fed ad libitum + mineral supplement), restriction (Tifton hay fed at 1.4% of BW + mineral supplement), and concentrate (Tifton hay fed ad libitum + 0.5% of BW of a mix of concentrate feedstuffs and mineral supplement). The adaptation period consisted of two adaptation diets, which contained 72 and 79% concentrate for six days each. The finishing diet contained 86% concentrate. During the pre-adaptation phase, restricted cattle had higher pH than concentrate-fed cattle. There was a reduction in M. elsdenii relative population in cattle from either restriction or concentrate groups. During adaptation and finishing phases, cattle from concentrate group had smaller F. succinogenes populations compared with the control group. The previous nutritional backgrounds impact ruminal microbiota during adaptation and finishing phases without causing any negative effect on ruminal pH. Feeding concentrate prior to the adaptation positively impacted the transition to high-concentrate diets and promoted increased dry matter intake. |
| first_indexed | 2024-03-12T12:32:33Z |
| format | Article |
| id | doaj.art-1e04332d82f5472190abebf68329f36b |
| institution | Directory Open Access Journal |
| issn | 1806-9290 |
| language | English |
| last_indexed | 2024-03-12T12:32:33Z |
| publishDate | 2023-08-01 |
| publisher | Sociedade Brasileira de Zootecnia |
| record_format | Article |
| series | Revista Brasileira de Zootecnia |
| spelling | doaj.art-1e04332d82f5472190abebf68329f36b2023-08-29T07:41:29ZengSociedade Brasileira de ZootecniaRevista Brasileira de Zootecnia1806-92902023-08-015210.37496/rbz5220210229Influence of nutritional management prior to adaptation to a feedlot diet on ruminal microbiota of Nellore cattleAna Carolina Janssen Pintohttps://orcid.org/0000-0002-3180-2108Gustavo Perina Bertoldihttps://orcid.org/0000-0003-0634-5627Luana Doretto Felizarihttps://orcid.org/0000-0002-1527-1079Breno Leite Demartinihttps://orcid.org/0000-0002-4329-8332Evandro Fernando Ferreira Diashttps://orcid.org/0000-0003-0636-756XMariana Martins Squizattihttps://orcid.org/0000-0003-0944-4882Antonio Marcos Silvestrehttps://orcid.org/0000-0001-8177-3993Flavio Perna Juniorhttps://orcid.org/0000-0002-1936-0001Lígia Garcia Mesquitahttps://orcid.org/0000-0001-9938-4275Johnny Maciel Souzahttps://orcid.org/0000-0003-1693-5014Paulo Henrique Mazza Rodrigueshttps://orcid.org/0000-0002-4646-6805Gustavo D. Cruzhttps://orcid.org/0000-0002-8825-3007Danilo Domingues Millenhttps://orcid.org/0000-0002-1253-7310ABSTRACT The objective of this study was to evaluate the effect of either a limited forage intake or concentrate supplementation prior to the adaptation to high-concentrate diets on dry matter intake, ruminal pH, bacteria, and protozoa of Nellore cattle. The experiment was designed as a two 3×3 Latin square, and six cannulated Nellore steers were used. Each experimental period was composed by three feeding phases: pre-adaptation (14 days), adaptation (12 days), and finishing (seven days) diet, in a total of 33 days per period. The steers were assigned to one of three pre-adaptation dietary treatments: control (Tifton hay fed ad libitum + mineral supplement), restriction (Tifton hay fed at 1.4% of BW + mineral supplement), and concentrate (Tifton hay fed ad libitum + 0.5% of BW of a mix of concentrate feedstuffs and mineral supplement). The adaptation period consisted of two adaptation diets, which contained 72 and 79% concentrate for six days each. The finishing diet contained 86% concentrate. During the pre-adaptation phase, restricted cattle had higher pH than concentrate-fed cattle. There was a reduction in M. elsdenii relative population in cattle from either restriction or concentrate groups. During adaptation and finishing phases, cattle from concentrate group had smaller F. succinogenes populations compared with the control group. The previous nutritional backgrounds impact ruminal microbiota during adaptation and finishing phases without causing any negative effect on ruminal pH. Feeding concentrate prior to the adaptation positively impacted the transition to high-concentrate diets and promoted increased dry matter intake.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982023000100806&tlng=enmicroorganismNelloreperformancerumen |
| spellingShingle | Ana Carolina Janssen Pinto Gustavo Perina Bertoldi Luana Doretto Felizari Breno Leite Demartini Evandro Fernando Ferreira Dias Mariana Martins Squizatti Antonio Marcos Silvestre Flavio Perna Junior Lígia Garcia Mesquita Johnny Maciel Souza Paulo Henrique Mazza Rodrigues Gustavo D. Cruz Danilo Domingues Millen Influence of nutritional management prior to adaptation to a feedlot diet on ruminal microbiota of Nellore cattle Revista Brasileira de Zootecnia microorganism Nellore performance rumen |
| title | Influence of nutritional management prior to adaptation to a feedlot diet on ruminal microbiota of Nellore cattle |
| title_full | Influence of nutritional management prior to adaptation to a feedlot diet on ruminal microbiota of Nellore cattle |
| title_fullStr | Influence of nutritional management prior to adaptation to a feedlot diet on ruminal microbiota of Nellore cattle |
| title_full_unstemmed | Influence of nutritional management prior to adaptation to a feedlot diet on ruminal microbiota of Nellore cattle |
| title_short | Influence of nutritional management prior to adaptation to a feedlot diet on ruminal microbiota of Nellore cattle |
| title_sort | influence of nutritional management prior to adaptation to a feedlot diet on ruminal microbiota of nellore cattle |
| topic | microorganism Nellore performance rumen |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982023000100806&tlng=en |
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