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Estimating Requirement Values for Standardised Ileal Digestible Amino Acids in Broilers by a Meta-analysis Approach

Estimating Requirement Values for Standardised Ileal Digestible Amino Acids in Broilers by a Meta-analysis Approach PDF Author: T. Veldkamp
Publisher:
ISBN:
Category :
Languages : en
Pages : 76

Book Description


Estimating Requirement Values for Standardised Ileal Digestible Amino Acids in Broilers by a Meta-analysis Approach

Estimating Requirement Values for Standardised Ileal Digestible Amino Acids in Broilers by a Meta-analysis Approach PDF Author: T. Veldkamp
Publisher:
ISBN:
Category :
Languages : en
Pages : 76

Book Description


Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Lysine in Broilers by a Meta-analysis Approach

Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Lysine in Broilers by a Meta-analysis Approach PDF Author: T. Veldkamp
Publisher:
ISBN:
Category :
Languages : en
Pages : 42

Book Description


Estimating requirements for apparent faecal and standardised ileal digestible amino acids in laying hens by a metaanalysis approach

Estimating requirements for apparent faecal and standardised ileal digestible amino acids in laying hens by a metaanalysis approach PDF Author: Marinus Krimpen
Publisher:
ISBN:
Category :
Languages : en
Pages : 71

Book Description


Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Threonine in Broilers by a Meta-analysis Approach

Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Threonine in Broilers by a Meta-analysis Approach PDF Author: T. Veldkamp
Publisher:
ISBN:
Category :
Languages : en
Pages : 37

Book Description


Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Isoleucine in Broilers by a Meta-analysis Approach

Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Isoleucine in Broilers by a Meta-analysis Approach PDF Author: T. Veldkamp
Publisher:
ISBN:
Category :
Languages : en
Pages : 24

Book Description


Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Arginine in Broilers by a Meta-analysis Approach

Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Arginine in Broilers by a Meta-analysis Approach PDF Author: T. Veldkamp
Publisher:
ISBN:
Category :
Languages : en
Pages : 25

Book Description


Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Tryptophan in Broilers by a Meta-analysis Approach

Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Tryptophan in Broilers by a Meta-analysis Approach PDF Author: T. Veldkamp
Publisher:
ISBN:
Category :
Languages : en
Pages : 35

Book Description


Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Methionine+cysteine in Broilers by a Metaanalysis Approach

Estimating Requirement Values for Apparent Faecal Digestible and Standardised Ileal Digestible Methionine+cysteine in Broilers by a Metaanalysis Approach PDF Author: T. Veldkamp
Publisher:
ISBN:
Category :
Languages : en
Pages : 46

Book Description


Standardized Ileal Digestibility and Requirement Estimates of Amino Acids in Three-week Old Broilers

Standardized Ileal Digestibility and Requirement Estimates of Amino Acids in Three-week Old Broilers PDF Author: Navjot Kaur Nandha
Publisher:
ISBN:
Category :
Languages : en
Pages : 242

Book Description
Three experiments were conducted to determine the AID and SID of protein and AA in pea protein isolate (PPI), distiller's dried grains with solubles derived from a blend of wheat and corn (wcDDGS) and corn. In addition, 2 experiments were conducted to estimate the requirements of digestible SAA (dSAA) and digestible lysine (dLYS) for 3-week old broilers to obtain optimum growth performance(BWG, FCR), and optimum yield performance(CY, BMY and TDY). For digestibility studies, day-old male Ross 308 broiler chicks were fed test diets from day 1-14. The test-diets were balanced for vitamins and minerals and contained chromic oxide (0.3%) as an indigestible marker. The protein and AA digestibilities were determined either by direct or indirect method. For requirement studies, day-old male Ross 308 broiler chicks were fed lysine- or SAA deficient basal diets balanced for all other AA, except for the AA under test, according to the ideal protein concept. All test diets were also balanced for vitamins and minerals and were kept isonoitrogenous and isocaloric within each assay. The average SID estimates (%) of AA were 92.4, 71.5 and 93.3 in PPI, wcDDGS and corn, respectively. Using regression analysis, the dietary dLYS requirement estimates (%) were 1.12 and 1.13 for BWG and FCR, respectively. The dietary dSAA requirement estimate was 0.81% for BWG while no significant response was observed for FCR. Both CY and BMY increased cubically with increasing levels of dLYS, whereas, CY didnot respond significantly and BMY increased linerally with the increasing levels of dSAA.

Estimation of apparent ileal digestibility of amino acids in ingredients used in broiler diets and basal endogenous losses through meta-analysis approach

Estimation of apparent ileal digestibility of amino acids in ingredients used in broiler diets and basal endogenous losses through meta-analysis approach PDF Author: Héctor Hernando Salgado Romero
Publisher:
ISBN:
Category :
Languages : fr
Pages : 70

Book Description
Si l'objectif est d'optimiser l'utilisation des protéines par les volailles, l'utilisation d'un système d'acides aminés digestibles est probablement supérieure à la quantité totale d'acide aminé (tAA) présente dans le régime. Avec la quantité considérable d'informations présentes sur les valeurs nutritives d'acides aminés (AA) utilisées dans les régimes alimentaires de volailles, l'objectif de cette étude est de prédire la digestibilité d'AA basée sur une analyse proximale via une méta-analyse. Deux modèles ont été testés : 1) Y = digestibilité apparente des AA (AAdig, % diet) ; X = protéine brute (CP) (%) et 2) Y = AAdig (g/kg de DM) ; X = AA totaux analysés (tAA, g/kg de DM) dans lequel l'ordonnée à l'origine du graphique est la perte d'endogène (EL). Une base de données de 49 publications a été divisée en 5 sous-sections 1) céréales (orge, sorgho, blé et maïs), 2) tourteau de soja (SBM), 3) farines de viande et d'os (MBM) 4) La sous-section 1) ainsi que des fèves de faba et de pois pour étudier EL et 5) seulement des fèves de faba et des pois. L'étude et les ingrédients ont été inclus dans le modèle comme effets fixes. Pour les céréales, la prédiction des AAdig par CP est précise (R2 de 0.68 pour Thr et de 0.92 pour Ala). La pente est différente selon le type de céréales (céréale x CP ; P 0.05) pour la majorité des AA sauf pour le maïs qui n'a pas eu de relation significative avec CP (P 0.05). Dans le SBM et MBM, l'effet étude améliore la précision des modèles. Des ordonnées à l'origine négatives, et significativement différent de 0 (P