Effect of different levels of whole corn germ on energy values and ileal digestibility in broilers

Effect of different levels of whole corn germ on energy values and ileal digestibility in broilers

This study evaluated the effects of broiler age (A) and levels of replacement (L) of control diet (CD) on the utilization of energy and nutrients of whole corn germ. 720 one-day-old broilers (b) were allocated at completely randomized design to six treatments and six replicates, in three assays: pre...

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Published in:Anais da Academia Brasileira de Ciências Vol. 96; no. 3; p. e20230078
Main Authors: Lopes, Elainy Cristina, Rabello, Carlos B V, Macambira, Gabriel M, Santos, Marcos José B Dos, Lopes, Cláudia C, Oliveira, Camilla R C DE, Silva, Jaqueline DE Cássia R DA, Silva, Bruno A, Nascimento, Júlio Cézar S, Ribeiro, Apolônio G, Silva, Dayane A DA
Format: Journal Article
Language:English
Published: Brazil Academia Brasileira de Ciências 01-01-2024
Subjects:
Animal Feed - analysis
Animal Nutritional Physiological Phenomena - physiology
Animals
Chickens
corn by-product
Diet - veterinary
Digestion - physiology
Energy Metabolism - physiology
ether extract
ileal digestibility
Ileum - metabolism
Ileum - physiology
Male
metabolizable energy
MULTIDISCIPLINARY SCIENCES
Random Allocation
stationary point
Zea mays - chemistry
corn by-product
metabolizable energy
ileal digestibility
ether extract
stationary point
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Summary:This study evaluated the effects of broiler age (A) and levels of replacement (L) of control diet (CD) on the utilization of energy and nutrients of whole corn germ. 720 one-day-old broilers (b) were allocated at completely randomized design to six treatments and six replicates, in three assays: pre-starter (1-8 days, 10 b/cage), starter (15-22 days, 6 b/cage), and grower (28-35 days, 4 b/cage) phases. The treatments were: CD and four test diets (L): 100, 150, 200, 250, or 300 g kg-1 of the CD replaced by WCG levels. The data were adjusted to the response surface model. The stationary points for apparent energy metabolizable (AME) and AME corrected for nitrogen balance (AMEn) were: 4173 and 3591 kcal kg-1, respectively, and coefficients of gross energy (AMCGE), crude protein (AMCCP), dry matter (AMCDM), and ether extract (AMCEE) were: 49.3, 40.4, 72.6, and 61.3%, respectively; and Ileal digestibility coefficient of crude protein (IDCCP), dry matter (IDCDM), digestibility crude protein values (DCP), and digestibility dry matter value (DDM) were: 78.0, 57.96, 8.50, and 56.17%, respectively. The EP for AMEn was at 18 days of age, 28 g kg-1 WCG. There was a correlation between A and L on digestibility and metabolisability of nutrient's WCG.
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ISSN:1678-2690
1678-2690
DOI:10.1590/0001-3765202420230078