Effect of Protein Level and Dietary Germanium Biotite on Egg Production, Egg Quality and Fecal Volatile Fatty Acid in Laying Hens
2003
Lee, W.B. | Kim, I.H. | Hong, J.W. | Kwon, O.S. | Min, B.J. | Shon, K.S. (Dankook University, Chonan, Republic of Korea) | Jung, Y.K. (Seobong BioBestech Co., Ltd. Seoul, Republic of Korea)
This study conducted to investigate the effect of dietary germanium biotite by protein level in laying he diets. One hundred forty four, 51 weeks old ISA brown commercial layer, were used in experiment. Dietary treatments were 1) low protein diet(LPD), 2) high protein diet(HPD), 3) LPD-GB(LPD + 1.0% germanium biotite) and 4) HPD-GB(HPD + 1.0% germanium biotite). Hen-day egg production tended to be increased as the concentration of protein in diets increased with significant difference(P0.01). Egg weight tended to decrease by increasing of supplementation germanium biotite in the diets(P0.01). Egg shell breaking strength was not influenced by germanium biotite supplementation(P0.05). Large band of egg decrease as increasing of supplementation germanium biotite in the diets(P0.02). Sharp and middle band of egg were not influenced by germanium biotite supplementation.
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