麦麸水平及植酸酶对蛋鸡生产性能和养分代谢的影响
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摘要
选用32周龄罗曼褐壳蛋鸡375只，随机等分为5组，每组5重复，设计代谢能、粗蛋
白质、钙及主要氨基酸相同而总磷和有效磷不同的五种日粮，研究麸皮水平及植酸酶对
蛋鸡生产性能、蛋壳质量、营养物质代谢率及血液指标的影响。日粮处理分别为A（0%
麸皮，0.35%有效磷）、B(5%麸皮，0.35%有效磷)、C(10%麸皮，0.35%有效磷)、D(10%
麸皮，0.28%有效磷) 及E(10%麸皮+0.02%罗氏植酸酶，植酸酶潜在有效磷与日粮本身
有效磷之和为0.28%)。试验结果表明:
1．在日粮有效磷为0.35%时，加入5%或10%麸皮可显著提高产蛋量（P<0.05），显
著降低料蛋比（P<0.05），产蛋率、蛋重趋于增加（P>.05）。其中以10%麸皮添加量蛋
鸡生产性能较好。
2．日粮麸皮水平为10%时，与C组相比，D组产蛋量显著降低（P<0.05）并趋于降
低产蛋率（P>.05），E组与D组相比，各项生产性能指标有改善趋势，但未达到显著水
平（P>0.05）。
3．五个处理间日均采食量、粪便含水率无显著差异(P>0.05)。蛋壳厚度及软破蛋率
不受处理影响（P>0.05）。
4．与A组相比，B组、C组总磷表观代谢率分别提高9.9%（P>0.05）、18.4%（P<0.05），
粗蛋白表观代谢率分别提高9.03%、4.56%。C、D组间总磷和粗蛋白表观代谢率差异不
显著（P>0.05）。E组总磷表观代谢率极显著高于D组（P<0.01），粗蛋白表观代谢率高于
D组（P>.05）。日粮钙、干物质和能量表观代谢率均不受处理影响（P>0.05）。
5．与A组相比，B组、C组血清无机磷含量分别提高5.2%（P>0.05），9.3%（P<0.05）。
日粮麸皮水平为10%时，与C组相比，D组血清无机磷含量降低7.9%（P<0.05）。E组与D
组相比，血清无机磷含量趋于提高（P>.05）。AKP活性和钙含量不受处理影响（P>0.05）。
An 12-week experiment was conducted to study effects of wheat bran levels and phytase
on productive performance, metabolism of main nutrients and serum parameters in laying
hens. 375 brown shell Lomman laying hens aged 32wks were distributed randomly to five
groups with five replicates and fifteen per replicate. Five diet treatments were designed as
follows: treatments A,B and C contained 0.35% available phosphorus(AP) and 0% ,5% and
10% the wheat bran level was, respectively, treatment D contained 10% wheat bran and
0.28%AP, and treatment E with 10%wheat bran and 500IU/kg microbial phytase which
substituted 0.12% AP,he total AP level of diet was 0.28%. All diets contained the equal level
of apparent metabolic energy, protein, calcium and main essential amino acids. Experiment
results showed that:
1. The egg mass and ratio of egg weight to feed intake were significantly greater for hens
supplemented with 5% and 10% wheat bran than for hens fed no wheat bran diet at
0.35%AP(P<0.05).As the wheat bran adding level increased, the egg production and egg
weight intended to increase(P>0.05). Hens fed the diet contained 10% wheat bran had the best
productive performance .
2.Egg mass of treatment D was significantly lower than that of treatment C, and the egg
production intended to decrease in treatment D. Compared with treatment D, treatment E
intended to enhance the productive performance.
3.There was no significant differences in feed intake, eggshell quality and fecal moisture
among all the treatments.
4.Compared with treatment A, the apparent metabolic rate of total phosphorus(TP) and
crude protein(CP) in treatment B and C were increased by 9.9%（P>0.05）,18.4%（P<0.05）
and 4.56%（P>.05）,9.03%（P<0.05）,respectively. There were no significant difference in
the apparent metabolic rate of TP and CP between treatment C and D. The apparent metabolic
rate of TP of treatment E was higher extremely than treatment D（P<0.01）and the apparent
metabolic rate of CP was increased in treatment E（P>0.05）. There was no significant
difference in the apparent metabolic rate of Ca, dry material(DM)and general energy（GE）
among all the treatments.
5．Compared with treatment A, the phosphorus( P ) content in serum in treatment B and
C were increased by 5.2%（P>0.05）and 9.3%（P<0.05）,respectively. The P content in serum
in Treatment D decreased by 7.9%（P<0.05）compared with treatment C. The P content in
serum in treatment E was higher than that in treatment C（P>0.05）. There was no significant
differences in the alkaline phosphatase(AKP) activity and Ca content in serum among all the
treatments.
白质、钙及主要氨基酸相同而总磷和有效磷不同的五种日粮，研究麸皮水平及植酸酶对
蛋鸡生产性能、蛋壳质量、营养物质代谢率及血液指标的影响。日粮处理分别为A（0%
麸皮，0.35%有效磷）、B(5%麸皮，0.35%有效磷)、C(10%麸皮，0.35%有效磷)、D(10%
麸皮，0.28%有效磷) 及E(10%麸皮+0.02%罗氏植酸酶，植酸酶潜在有效磷与日粮本身
有效磷之和为0.28%)。试验结果表明:
1．在日粮有效磷为0.35%时，加入5%或10%麸皮可显著提高产蛋量（P<0.05），显
著降低料蛋比（P<0.05），产蛋率、蛋重趋于增加（P>.05）。其中以10%麸皮添加量蛋
鸡生产性能较好。
2．日粮麸皮水平为10%时，与C组相比，D组产蛋量显著降低（P<0.05）并趋于降
低产蛋率（P>.05），E组与D组相比，各项生产性能指标有改善趋势，但未达到显著水
平（P>0.05）。
3．五个处理间日均采食量、粪便含水率无显著差异(P>0.05)。蛋壳厚度及软破蛋率
不受处理影响（P>0.05）。
4．与A组相比，B组、C组总磷表观代谢率分别提高9.9%（P>0.05）、18.4%（P<0.05），
粗蛋白表观代谢率分别提高9.03%、4.56%。C、D组间总磷和粗蛋白表观代谢率差异不
显著（P>0.05）。E组总磷表观代谢率极显著高于D组（P<0.01），粗蛋白表观代谢率高于
D组（P>.05）。日粮钙、干物质和能量表观代谢率均不受处理影响（P>0.05）。
5．与A组相比，B组、C组血清无机磷含量分别提高5.2%（P>0.05），9.3%（P<0.05）。
日粮麸皮水平为10%时，与C组相比，D组血清无机磷含量降低7.9%（P<0.05）。E组与D
组相比，血清无机磷含量趋于提高（P>.05）。AKP活性和钙含量不受处理影响（P>0.05）。
An 12-week experiment was conducted to study effects of wheat bran levels and phytase
on productive performance, metabolism of main nutrients and serum parameters in laying
hens. 375 brown shell Lomman laying hens aged 32wks were distributed randomly to five
groups with five replicates and fifteen per replicate. Five diet treatments were designed as
follows: treatments A,B and C contained 0.35% available phosphorus(AP) and 0% ,5% and
10% the wheat bran level was, respectively, treatment D contained 10% wheat bran and
0.28%AP, and treatment E with 10%wheat bran and 500IU/kg microbial phytase which
substituted 0.12% AP,he total AP level of diet was 0.28%. All diets contained the equal level
of apparent metabolic energy, protein, calcium and main essential amino acids. Experiment
results showed that:
1. The egg mass and ratio of egg weight to feed intake were significantly greater for hens
supplemented with 5% and 10% wheat bran than for hens fed no wheat bran diet at
0.35%AP(P<0.05).As the wheat bran adding level increased, the egg production and egg
weight intended to increase(P>0.05). Hens fed the diet contained 10% wheat bran had the best
productive performance .
2.Egg mass of treatment D was significantly lower than that of treatment C, and the egg
production intended to decrease in treatment D. Compared with treatment D, treatment E
intended to enhance the productive performance.
3.There was no significant differences in feed intake, eggshell quality and fecal moisture
among all the treatments.
4.Compared with treatment A, the apparent metabolic rate of total phosphorus(TP) and
crude protein(CP) in treatment B and C were increased by 9.9%（P>0.05）,18.4%（P<0.05）
and 4.56%（P>.05）,9.03%（P<0.05）,respectively. There were no significant difference in
the apparent metabolic rate of TP and CP between treatment C and D. The apparent metabolic
rate of TP of treatment E was higher extremely than treatment D（P<0.01）and the apparent
metabolic rate of CP was increased in treatment E（P>0.05）. There was no significant
difference in the apparent metabolic rate of Ca, dry material(DM)and general energy（GE）
among all the treatments.
5．Compared with treatment A, the phosphorus( P ) content in serum in treatment B and
C were increased by 5.2%（P>0.05）and 9.3%（P<0.05）,respectively. The P content in serum
in Treatment D decreased by 7.9%（P<0.05）compared with treatment C. The P content in
serum in treatment E was higher than that in treatment C（P>0.05）. There was no significant
differences in the alkaline phosphatase(AKP) activity and Ca content in serum among all the
treatments.
引文
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