Phytase in broiler diets with reduced nonphytate phosphorus levels
This work evaluated the inclusion of phytase in diets with reduced nonphytate phosphorus (NPP) levels in relation to the performance and carcass yield of broilers and litter characteristics. The experimental design was completely randomized in a 2 x 3 factorial arrangement – two phytase levels (0 an...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Universidade Federal de Santa Catarina
2009-12-01
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| Series: | Biotemas |
| Subjects: | |
| Online Access: | http://www.biotemas.ufsc.br/volumes/pdf/volume224/169a176.pdf |
| _version_ | 1819183226903592960 |
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| author | Vera Maria Barbosa de Moraes Carlos Rosa Godoy Ana Beatriz Traldi Rodrigo Antônio Gravena Maria Cristina de Oliveira Rafael Henrique Marques |
| author_facet | Vera Maria Barbosa de Moraes Carlos Rosa Godoy Ana Beatriz Traldi Rodrigo Antônio Gravena Maria Cristina de Oliveira Rafael Henrique Marques |
| author_sort | Vera Maria Barbosa de Moraes |
| collection | DOAJ |
| description | This work evaluated the inclusion of phytase in diets with reduced nonphytate phosphorus (NPP) levels in relation to the performance and carcass yield of broilers and litter characteristics. The experimental design was completely randomized in a 2 x 3 factorial arrangement – two phytase levels (0 and 25U/kg) and three NPP levels (100, 85 and 70% of the requirement), in a total of six treatments with fi ve replicates. The reduction of the NPP to 70% of the requirement decreased the weight gain and feed intake and increased the feed:gain ratio. Phytase inclusion increased the weight gain and the feed intake at 21 days. The NPP x phytase interaction was signifi cant with regard to the weight gain at 42 days. The reduction of NPP to 70% diminished the feed intake at 42 days and increased the liver and heart relative weight. Nitrogen content was lower in the litter of broilers fed diets with phytase and decreased phosphorus content, due to the NPP reduction in the diets. It was concluded that diets with 85% of NPP, supplemented with 25U/kg of phytase, can be used with no negative effect on performance or carcass and litter characteristics. |
| first_indexed | 2024-12-22T22:58:40Z |
| format | Article |
| id | doaj.art-64605f6c70d345c6b0f92eba43f2016e |
| institution | Directory Open Access Journal |
| issn | 0103-1643 |
| language | English |
| last_indexed | 2024-12-22T22:58:40Z |
| publishDate | 2009-12-01 |
| publisher | Universidade Federal de Santa Catarina |
| record_format | Article |
| series | Biotemas |
| spelling | doaj.art-64605f6c70d345c6b0f92eba43f2016e2022-12-21T18:09:45ZengUniversidade Federal de Santa CatarinaBiotemas0103-16432009-12-01224169176Phytase in broiler diets with reduced nonphytate phosphorus levelsVera Maria Barbosa de MoraesCarlos Rosa GodoyAna Beatriz TraldiRodrigo Antônio GravenaMaria Cristina de OliveiraRafael Henrique MarquesThis work evaluated the inclusion of phytase in diets with reduced nonphytate phosphorus (NPP) levels in relation to the performance and carcass yield of broilers and litter characteristics. The experimental design was completely randomized in a 2 x 3 factorial arrangement – two phytase levels (0 and 25U/kg) and three NPP levels (100, 85 and 70% of the requirement), in a total of six treatments with fi ve replicates. The reduction of the NPP to 70% of the requirement decreased the weight gain and feed intake and increased the feed:gain ratio. Phytase inclusion increased the weight gain and the feed intake at 21 days. The NPP x phytase interaction was signifi cant with regard to the weight gain at 42 days. The reduction of NPP to 70% diminished the feed intake at 42 days and increased the liver and heart relative weight. Nitrogen content was lower in the litter of broilers fed diets with phytase and decreased phosphorus content, due to the NPP reduction in the diets. It was concluded that diets with 85% of NPP, supplemented with 25U/kg of phytase, can be used with no negative effect on performance or carcass and litter characteristics.http://www.biotemas.ufsc.br/volumes/pdf/volume224/169a176.pdfanimal nutritioncarcass yieldenvironmental pollutionenzymesperformance |
| spellingShingle | Vera Maria Barbosa de Moraes Carlos Rosa Godoy Ana Beatriz Traldi Rodrigo Antônio Gravena Maria Cristina de Oliveira Rafael Henrique Marques Phytase in broiler diets with reduced nonphytate phosphorus levels Biotemas animal nutrition carcass yield environmental pollution enzymes performance |
| title | Phytase in broiler diets with reduced nonphytate phosphorus levels |
| title_full | Phytase in broiler diets with reduced nonphytate phosphorus levels |
| title_fullStr | Phytase in broiler diets with reduced nonphytate phosphorus levels |
| title_full_unstemmed | Phytase in broiler diets with reduced nonphytate phosphorus levels |
| title_short | Phytase in broiler diets with reduced nonphytate phosphorus levels |
| title_sort | phytase in broiler diets with reduced nonphytate phosphorus levels |
| topic | animal nutrition carcass yield environmental pollution enzymes performance |
| url | http://www.biotemas.ufsc.br/volumes/pdf/volume224/169a176.pdf |
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