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饲粮中添加菊粉对蛋用种公鸡嗉囊、盲肠内容物以及粪中pH值的影响
在蛋用种公鸡日粮中添加不同浓度菊粉,通过分析测定试鸡嗉囊内容物、盲肠内容物及鸡粪pH值及其变化规律,为蛋鸡饲养中选择合适浓度的菊粉饲料添加剂提供理念依据。试验选用40周龄海兰褐种公鸡29只,随机分为5组,实验1~4组,每组6只,对照组5只。对照组饲喂基础日粮,试验组在基础日粮中分别添加0.5%、1.0%、1.5%和2.0%的菊粉,试验期25天。研究饲粮中添加菊粉对蛋用种公鸡嗉囊、盲肠内容物以及粪中pH值的影响。结果表明:菊粉对蛋鸡嗉囊pH影响不明显,试验组及对照组鸡嗉囊pH分别为4.285±0.247、5.667±1.060、4.767±0.576、4.117±0.155和4.545±0.219;蛋鸡日粮中添加菊粉,可以使盲肠pH显著下降,菊粉添加量为1.5%时盲肠pH下降最为显著,试验1~4组及对照盲肠pH分别为7.457±0.412、7.450±0.261、7.173±0.310、7.450±0.370及8.120±0.148;日粮中添加菊粉,总体上可以使鸡粪pH值下降,尤其添加浓度为2.0%菊粉的饲粮饲喂10天时的粪便pH值明显降低。结论:蛋鸡日粮中菊粉的适宜添加剂量为1.5%。
蛋鸡;菊粉;嗉囊;盲肠内容物;pH值
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The impact of addition chrysanthemum powder over egg use species cock crop , cecum content thing and middle excrement pH value adds different thickness chrysanthemum powder in fodder grain in egg use species cock daily ration, by the fact that the analytical admeasurement tries chicken crop content thing , cecum content thing and chicken excrement pH value and their change law, basis choosing the pink feed additive of right thickness chrysanthemum as the hen for egg laying in feeding providing idea. The experiment selects and uses 29 brown species of 40 Zhou Ling Highland cock , the random divides 5 set, experiment 1 ~ 4 group , 6 per set, collation forms 5. Collation group fodder feeds with the basis daily ration , tests that chrysanthemum adding 0.5% , 1.0% , 1.5% and 2.0% respectively in the daily ration in basis of group turns to powder , tests the scheduled time 25 day. Study fodder grain is hit by an impact of addition chrysanthemum powder over egg use species cock crop , cecum content thing and middle excrement pH value. Result is indicated: Pink chrysanthemum pair of hens for egg laying crop pH effect is not obvious, 0.155 0.247 , 5.667 +/-1.060 , 4.767 +/-0.576 , 4.117 +/-sum testing that the group and collation form chicken crop pH difference for 4.285 +/-4.545 +/-0.219; The hen for egg laying adds chrysanthemum powder in the daily ration , can make the cecum pH notable coming down, the cecum pH comes down when pink chrysanthemum addition amounts are 1.5% being most notable , the pH testing 1 ~ 4 group and contrasting a cecum is 7.457 +/-respectively 0.412 , 7.450 +/-0.261 , 7.173 +/-0.310 , 7.450 +/-0.370 and 8.120 +/-0.148; Add chrysanthemum powder in the daily ration , can make the chicken excrement pH be worth coming down as a whole, the excrement pH adding thickness especially in order 2.0% pink chrysanthemum fodder grain fodder feeds with 10 climatic condition is worth obvious lessening. Conclusion: In hen for egg laying daily ration, proper pink chrysanthemum additive amounts are 1.5%. Hen for egg laying; The chrysanthemum turns to powder; Crop; Cecum content thing; PH value is sure not to use translation implement , is reading be entangled with
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