發(fā)布時間：2018-04-14 00:16

  本文選題：CNCPS + 氨基酸流量��； 參考：《山東農業(yè)大學》2017年碩士論文

【摘要】：本研究通過采集18種反芻動物常用飼料原料,根據CNCPS對RUP小腸可吸收氨基酸流量的預測方程,測定預測RUP小腸可吸收氨基酸流量及各時間點降解殘渣的小腸消化率,結合CP降解率和小腸消化率,驗證CNCPS簡化模型:粗料方程Y=0.00197+2.11988X,r=0.99946,P0.0001;精料方程Y=-0.05564+1.40925X,r=0.99955,P0.0001。通過瘤胃尼龍袋法測定飼料不同成分的降解率,分析飼料不同成分的實時降解率和有效降解率的相關性,用單一時間點的降解率來估算有效降解率,簡化飼料降解率的測定。結果顯示:(1)8種粗飼料各時間點CP瘤胃降解率和有效降解率的線性回歸分析分析得出,8h的CP瘤胃降解率與有效降解率的相關性最高,線性回歸方程為Y=0.90902X+9.91209,r=0.98702,P0.0001;10種精飼料各時間點CP瘤胃降解率和有效降解率的線性回歸分析得出,8h的CP瘤胃降解率與有效降解率的相關性最高,線性回歸方程為Y=1.00951X+1.61992,r=0.9654,P0.0001。(2)18種飼料的各時間點瘤胃降解殘渣的小腸消化率與RUP有效小腸消化率線性回歸分析得出,8種粗飼料的8h小腸消化率與有效消化率的相關性最高,線性回歸方程為Y=0.53854+0.97088X,r=0.99579,P00001;10種精飼料8h小腸消化率與有效消化率的相關性最高,線性回歸方程為Y=3.23556+0.95384X,r=0.9904,P0.0001。(3)驗證3種簡化的方案,結果顯示,簡化模型三的可靠性最高,即粗料和精料均以8h降解率和8h小腸消化率對RUP小腸可吸收氨基酸流量的預測結果與CNCPS的評定結果相關性最高,粗料方程Y=0.00197+2.11988X,r=0.99869,差異性分析P值為0.3467,平均相對偏差為6.8361;精料方程Y=-0.05564+1.40925X,r=0.99541,差異性分析P值為0.065,平均相對偏差為22.788。驗證得出該簡化模型可行。(4)對飼料CP、DM、OM、ADF和NDF的實時降解率與瘤胃有效降解率的相關性分析,簡化得出,粗料和精料均以16h降解率與有效降解率相關性最高,粗料方程為Y=0.68368+0.9843X,r=0.98757,P0.0001;精料方程為Y=-0.86237+0.85602X,r=0.96078,P0.0001。
[Abstract]:In this study, 18 common feed materials of ruminants were collected. According to the prediction equation of RUP small intestinal absorbable amino acid flow rate by CNCPS, the small intestine digestibility of RUP small intestine absorbable amino acid flow and degradation residue at different time points were determined.Combined with CP degradation rate and digestibility of small intestine, the simplified CNCPS model was verified as follows: crude feed equation: YP0. 00197 2.11988Xrnrrrrrrrrrrrrrrrrrrrrrrrrrrrt 0.99955X, and concentrate equation YP0. 0001.The degradation rate of different components of feed was determined by rumen nylon bag method, and the correlation between the real time degradation rate and effective degradation rate of different components of feed was analyzed. The effective degradation rate was estimated by single time point degradation rate, and the determination of feed degradation rate was simplified.The results showed that the rumen degradation rate and the effective degradation rate of CP were the highest at 8h after the linear regression analysis of CP degradation rate and effective degradation rate of 8 kinds of forage forage.The linear regression analysis of 10 kinds of concentrate feed CP degradation rate and effective degradation rate at different time points showed that there was the highest correlation between CP rumen degradation rate and effective degradation rate at 8 h. The linear regression equation was YP0.902X 9.912090.98702P0.00010.The linear regression analysis showed that the rumen degradation rate of CP and the effective degradation rate were the highest at 8 h.The linear regression equation was that the small intestine digestibility of rumen degradation residue and the RUP effective intestinal digestibility were the highest in 8 hours of eight kinds of crude feed at each time point of 18 kinds of feedstuffs, the linear regression equation was YT 1.00951X 1.61992rn 0.9654g P0.0001.20.The linear regression analysis showed that there was the highest correlation between the intestinal digestibility and the effective digestibility of 8 kinds of crude feed.The linear regression equation was: YC0.53854 0.97088Xrttrium 0.99579KP001C 10 kinds of concentrate feed had the highest correlation with the effective digestibility for 8h, and the linear regression equation was YC3.23556 0.95384XRO 0.9904 P0.0001.3to verify the three simplified schemes. The results showed that the three simplified models had the highest reliability.The results of 8h degradation rate and 8h intestinal digestibility for RUP intestinal absorbable amino acid flow were the most correlated with CNCPS evaluation.The difference analysis P value is 0.3467, the average relative deviation is 6.8361, and the concentrate equation Y _ (0.05564) 1.40925X ru _ (0.99541), the difference analysis P value is 0.065, the average relative deviation is 22.7888.The crude material equation is 0.99869, the difference analysis is 0.99869, the average relative deviation is 22.788, the difference analysis is 0.065, the average relative deviation is 22.788, the difference is 0.065, and the average relative deviation is 22.788.The results showed that the simplified model was feasible. The correlation analysis between the real-time degradation rate and the rumen effective degradation rate of NDF and ADF was obtained. The results showed that 16 h degradation rate and effective degradation rate of crude and concentrate were the highest.The crude material equation is YT 0.68368 0.9843XL 0.98757N P0.0001, and the concentrate equation is YP0.86237 0.85602Xrc0.96078KP0.0001.
【學位授予單位】：山東農業(yè)大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：S816

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