Crude glycerin in diets for feedlot Nellore cattle
Two studies were conducted to evaluate the effects of crude glycerin on feed intake, performance, carcass characteristics, and total digestibility of Nellore bulls. In experiment 1, cattle (n = 30) were fed a control diet without crude glycerin and diets containing 7.5, 15, 22.5, and 30% crude glyce...
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| Format: | Article |
| Language: | English |
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Sociedade Brasileira de Zootecnia
2014-02-01
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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=S1516-35982014000200006&tlng=en |
| _version_ | 1828126459867168768 |
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| author | Eric Haydt Castello Branco van Cleef Jane Maria Bertocco Ezequiel André Pastori D'Aurea Vanessa Ruiz Fávaro Juliana Borsari Dourado Sancanari |
| author_facet | Eric Haydt Castello Branco van Cleef Jane Maria Bertocco Ezequiel André Pastori D'Aurea Vanessa Ruiz Fávaro Juliana Borsari Dourado Sancanari |
| author_sort | Eric Haydt Castello Branco van Cleef |
| collection | DOAJ |
| description | Two studies were conducted to evaluate the effects of crude glycerin on feed intake, performance, carcass characteristics, and total digestibility of Nellore bulls. In experiment 1, cattle (n = 30) were fed a control diet without crude glycerin and diets containing 7.5, 15, 22.5, and 30% crude glycerin, for 103 d. Animals were harvested and data of carcass characteristics were collected. In experiment 2, a digestibility trial was performed using indigestible acid detergent fiber (iADF) as internal marker, and five rumen-cannulated steers. Both experiments were conducted as a randomized complete block design and data were analyzed using mixed procedures. In experiment 1 no differences were observed among treatments on dry matter intake, and performance variables. Regarding carcass characteristics, no effect was observed, except for carcass fat estimates, which were greater in treatments with crude glycerin. In experiment 2, crude glycerin promoted a decrease in digestibility of fibrous fractions NDF and HEM, and increased digestibility of crude protein by 6%. Although it caused negative effect on digestibility of fibrous fraction of diets, crude glycerin can be a good energy source for Nellore bulls, since no losses are observed on performance and carcass characteristics when animals are fed up to 30% of this by-product. |
| first_indexed | 2024-04-11T15:35:44Z |
| format | Article |
| id | doaj.art-714998b5bffc4250b7098d1bbb6c03fa |
| institution | Directory Open Access Journal |
| issn | 1806-9290 |
| language | English |
| last_indexed | 2024-04-11T15:35:44Z |
| publishDate | 2014-02-01 |
| publisher | Sociedade Brasileira de Zootecnia |
| record_format | Article |
| series | Revista Brasileira de Zootecnia |
| spelling | doaj.art-714998b5bffc4250b7098d1bbb6c03fa2022-12-22T04:16:01ZengSociedade Brasileira de ZootecniaRevista Brasileira de Zootecnia1806-92902014-02-014328691Crude glycerin in diets for feedlot Nellore cattleEric Haydt Castello Branco van Cleef0Jane Maria Bertocco Ezequiel1André Pastori D'Aurea2Vanessa Ruiz Fávaro3Juliana Borsari Dourado Sancanari4Universidade Estadual Paulista Júlio de Mesquita FilhoUniversidade Estadual Paulista Júlio de Mesquita FilhoUniversidade Estadual Paulista Júlio de Mesquita FilhoUniversidade Estadual Paulista Júlio de Mesquita FilhoUniversidade Estadual Paulista Júlio de Mesquita FilhoTwo studies were conducted to evaluate the effects of crude glycerin on feed intake, performance, carcass characteristics, and total digestibility of Nellore bulls. In experiment 1, cattle (n = 30) were fed a control diet without crude glycerin and diets containing 7.5, 15, 22.5, and 30% crude glycerin, for 103 d. Animals were harvested and data of carcass characteristics were collected. In experiment 2, a digestibility trial was performed using indigestible acid detergent fiber (iADF) as internal marker, and five rumen-cannulated steers. Both experiments were conducted as a randomized complete block design and data were analyzed using mixed procedures. In experiment 1 no differences were observed among treatments on dry matter intake, and performance variables. Regarding carcass characteristics, no effect was observed, except for carcass fat estimates, which were greater in treatments with crude glycerin. In experiment 2, crude glycerin promoted a decrease in digestibility of fibrous fractions NDF and HEM, and increased digestibility of crude protein by 6%. Although it caused negative effect on digestibility of fibrous fraction of diets, crude glycerin can be a good energy source for Nellore bulls, since no losses are observed on performance and carcass characteristics when animals are fed up to 30% of this by-product.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000200006&tlng=enbeef cattleby-productscarcassdigestionglycerol |
| spellingShingle | Eric Haydt Castello Branco van Cleef Jane Maria Bertocco Ezequiel André Pastori D'Aurea Vanessa Ruiz Fávaro Juliana Borsari Dourado Sancanari Crude glycerin in diets for feedlot Nellore cattle Revista Brasileira de Zootecnia beef cattle by-products carcass digestion glycerol |
| title | Crude glycerin in diets for feedlot Nellore cattle |
| title_full | Crude glycerin in diets for feedlot Nellore cattle |
| title_fullStr | Crude glycerin in diets for feedlot Nellore cattle |
| title_full_unstemmed | Crude glycerin in diets for feedlot Nellore cattle |
| title_short | Crude glycerin in diets for feedlot Nellore cattle |
| title_sort | crude glycerin in diets for feedlot nellore cattle |
| topic | beef cattle by-products carcass digestion glycerol |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000200006&tlng=en |
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