Nutritional Value of Whole Corn Germ Obtained by the Wet Method for Poultry
2025
Michele Bernardino de Lima | Carlos Bôa-Viagem Rabello | Gabriel Henrique Nacamura da Silva | Jaqueline Aparecida Pavanini | Rita Brito Vieira | Isidro Chemane Argentina | Lizandra Amoroso | Edney Pereira da Silva
This study aimed to assess the nutritional value of whole corn germ (WCG) in the diet of chickens. Amino acid digestibility, fatty acid digestibility, and metabolizable energy were evaluated. A metabolism assay was conducted using the precise feeding method on roosters. A completely randomized design was used, with two treatments and ten replications per rooster in each experimental unit. The treatments were as follows: WCG1, precise feeding with WCG: and WCG2, fasting birds to determine metabolic and endogenous losses in energy and fat. The variables analyzed were coefficients for amino acids in corn germ meal and fatty acid digestibility. The results showed that the standardized digestibility coefficients for amino acids in corn germ meal were (in g/kg) as follows: Lys, 920: Thr, 780: Met + Cys, 800: Arg, 910: His, 890: Ile, 950: Leu, 970: Phe + Tyr, 870: Val, 980: Gly + Ser, 740: Ala, 960: Asp, 870: and Glu, 930. The average fatty acid digestibility and AMEn were 850 g/kg and 4934 kcal/kg, respectively. Corn germ meal, which showed high digestibility of nutrients and energy, is considered an interesting ingredient for diets requiring high energy concentration.
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