Nitrogen metabolism in lambs fed diets containing peach palm meal

Nitrogen metabolism in lambs fed diets containing peach palm meal

The objective of this study was to evaluate the nitrogen metabolism of lambs fed diets containing peach palm meal substituting maize (0, 10, 40, 60, and 85 % DM). Thirty Santa Inês uncastrated lambs with an average initial body weight of 21.6 ± 0.87 kg were distributed in a completely randomized des...

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Published in:Tropical animal health and production Vol. 48; no. 7; pp. 1491 - 1495
Main Authors: dos Santos, Alana Batista, Pereira, Mara Lúcia Albuquerque, de Oliveira Silva, Herymá Giovane, de Carvalho, Gleidson Giordano Pinto, Ribeiro, Leandro Sampaio Oliveira, de Jesus Pereira, Taiala Cristina, Azevêdo, José Augusto Gomes, Sousa, Larisse Borges, Sousa, LeandroBorges, Almeida, Paulo José Presídio
Format: Journal Article
Language:English
Published: Dordrecht Springer Netherlands 01-10-2016
Springer Nature B.V
Subjects:
Animal Feed - analysis
Animal Nutritional Physiological Phenomena
Animals
Animals, Newborn - physiology
Arecaceae - metabolism
Biomedical and Life Sciences
Body Weight
Brazil
Corn
Diet
Diet - veterinary
Digestion
Fruits
Life Sciences
Male
Nitrogen
Nitrogen - metabolism
Protein synthesis
Sheep - physiology
Short Communications
Tropical Climate
Veterinary Medicine/Veterinary Science
Zea mays - metabolism
Zoology
Urea
Sheep
Purine derivatives
Bactrisgasipaes Kunth
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Summary:The objective of this study was to evaluate the nitrogen metabolism of lambs fed diets containing peach palm meal substituting maize (0, 10, 40, 60, and 85 % DM). Thirty Santa Inês uncastrated lambs with an average initial body weight of 21.6 ± 0.87 kg were distributed in a completely randomized design with five diets and six replicates. The nitrogen (N) intake (g/day, %BW) and the fecal N decreased linearly as the peach palm meal was added to the concentrate. The urinary N, however, responded quadratically, with maxima at the level of 29.97 and 40.44 % of substitution of maize for peach palm meal when expressed in g/day and %BW, respectively. The substitution of maize for peach palm meal reduced the retention of nitrogen and the microbial protein synthesis in the lambs.
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ISSN:0049-4747
1573-7438
DOI:10.1007/s11250-016-1088-4