Metabolizable energy and oil intake in brown commercial layers
With the objective to establish the best metabolizable energy (ME) intake for layers, and the best dietary vegetable oil addition level to optimize egg production, an experiment was carried out with 432 30-week-old Hisex Brown layers. Birds were distributed into nine treatments with six replicates o...
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| Format: | Article |
| Language: | English |
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Sociedade Brasileira de Zootecnia
2012-10-01
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| Series: | Revista Brasileira de Zootecnia |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012001000014 |
| _version_ | 1818447699686457344 |
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| author | Amadeu Benedito Piozzi da Silva Edivaldo Antonio Garcia Andréa de Britto Molino Elyara Maria Pereira da Silva |
| author_facet | Amadeu Benedito Piozzi da Silva Edivaldo Antonio Garcia Andréa de Britto Molino Elyara Maria Pereira da Silva |
| author_sort | Amadeu Benedito Piozzi da Silva |
| collection | DOAJ |
| description | With the objective to establish the best metabolizable energy (ME) intake for layers, and the best dietary vegetable oil addition level to optimize egg production, an experiment was carried out with 432 30-week-old Hisex Brown layers. Birds were distributed into nine treatments with six replicates of eight birds each according to a 3 × 3 factorial arrangement, consisting of three daily metabolizable energy intake (280, 300 or 320 kcal/bird/day) and three oil levels (0.00; 0.75 and 1.50 g/bird/day). Daily feed intake was limited to 115, 110 and 105 g/bird in order to obtain the desired energy and oil intake in each treatment. The following parameters were evaluated: initial weight, final weight, body weight change, egg production, egg mass, feed conversion ratio per dozen eggs and per egg mass and energy conversion. There was no influence of the treatments on egg production (%) or egg mass (g/bird/day). Final weight and body weight change were significantly affected by increasing energy intake. Feed conversion ratio per egg mass, feed conversion ratio per dozen eggs and energy conversion significantly worsened as a function of the increase in daily energy intake. An energy intake of 280 kcal/bird/day with no addition of dietary oil does not affect layer performance. |
| first_indexed | 2024-12-14T20:07:46Z |
| format | Article |
| id | doaj.art-b666c6e1fb3645519942b22256799835 |
| institution | Directory Open Access Journal |
| issn | 1516-3598 1806-9290 |
| language | English |
| last_indexed | 2024-12-14T20:07:46Z |
| publishDate | 2012-10-01 |
| publisher | Sociedade Brasileira de Zootecnia |
| record_format | Article |
| series | Revista Brasileira de Zootecnia |
| spelling | doaj.art-b666c6e1fb3645519942b222567998352022-12-21T22:48:59ZengSociedade Brasileira de ZootecniaRevista Brasileira de Zootecnia1516-35981806-92902012-10-0141102232223710.1590/S1516-35982012001000014Metabolizable energy and oil intake in brown commercial layersAmadeu Benedito Piozzi da SilvaEdivaldo Antonio GarciaAndréa de Britto MolinoElyara Maria Pereira da SilvaWith the objective to establish the best metabolizable energy (ME) intake for layers, and the best dietary vegetable oil addition level to optimize egg production, an experiment was carried out with 432 30-week-old Hisex Brown layers. Birds were distributed into nine treatments with six replicates of eight birds each according to a 3 × 3 factorial arrangement, consisting of three daily metabolizable energy intake (280, 300 or 320 kcal/bird/day) and three oil levels (0.00; 0.75 and 1.50 g/bird/day). Daily feed intake was limited to 115, 110 and 105 g/bird in order to obtain the desired energy and oil intake in each treatment. The following parameters were evaluated: initial weight, final weight, body weight change, egg production, egg mass, feed conversion ratio per dozen eggs and per egg mass and energy conversion. There was no influence of the treatments on egg production (%) or egg mass (g/bird/day). Final weight and body weight change were significantly affected by increasing energy intake. Feed conversion ratio per egg mass, feed conversion ratio per dozen eggs and energy conversion significantly worsened as a function of the increase in daily energy intake. An energy intake of 280 kcal/bird/day with no addition of dietary oil does not affect layer performance.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012001000014body weight changeegg productionlay percentagelayer nutrition |
| spellingShingle | Amadeu Benedito Piozzi da Silva Edivaldo Antonio Garcia Andréa de Britto Molino Elyara Maria Pereira da Silva Metabolizable energy and oil intake in brown commercial layers Revista Brasileira de Zootecnia body weight change egg production lay percentage layer nutrition |
| title | Metabolizable energy and oil intake in brown commercial layers |
| title_full | Metabolizable energy and oil intake in brown commercial layers |
| title_fullStr | Metabolizable energy and oil intake in brown commercial layers |
| title_full_unstemmed | Metabolizable energy and oil intake in brown commercial layers |
| title_short | Metabolizable energy and oil intake in brown commercial layers |
| title_sort | metabolizable energy and oil intake in brown commercial layers |
| topic | body weight change egg production lay percentage layer nutrition |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012001000014 |
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