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287016

EFFECT OF LOW DIETARY CRUDE PROTEIN , METABOLIZABLE ENERGY AND IDEAL LEVELS OF AMINO ACIDS ON CARCASS CHARACTERISTICS AND SOME METABOLIC RESPONSE OF BROILERS.

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Last updated: 24 Dec 2024

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Abstract

This study was conducted to determine the response to low dietary crude protein and energy while supplementing ideal amino acids level on carcass characteristics and some metabolic response of broiler chicks. At one day old, 270 chicks randomly divided to 6 groups each with 45 chicks and 3 replicates of 15 birds as follows; T1: positive control (PC) with basal diet (BD) with recommended CP level and ME, T2: negative control (NC) fed BD with reduce 3% CP and 100 kcal than requirements); T3 and T4 were fed BD diet (reduce 3% CP) but supplemented incrementally with four and five AAs (Lys, Met, Thr, Trp and valin, respectively); T5 and T6 were fed NC but supplemented incrementally with four and five AAs (Lys, Met, Thr, Trp and valin, respectively). From 1 to 35 d of age, to cover the dietary requirements for each AA during periods. Results showed thattreatment applied had highly significant effect on absolute weight (AW) of carcass, liver and abdominal fat and relative weight (RW) of carcass, heart and gizzard, respectively. Birds of treatment (1) and (6) had the higher average of AW of carcass (1565.0 and 1465.0g) while RW of abdominal fat (0.0109 and  0.011%, respectively) compared with different treatments applied. Birds of treatment (2) and (4) showed the lowest AW, RW of abdominal fat (8.33,11.67g and 0.0057,0.0065%, respectively). Treatments applied had significant effect on plasma globulin , A/G ratio, ALT and AST all period. Birds of Treatment (6) had the higher average of plasma total protein (TP) (3.80 mg/dl) and globulin (1.91mg/dl) and lowest average of creatinine.. However T4, T1 showed the higher average of TG and VLDL (25.00, 24.00 mg/dl) and (5.00, 4.80 mg/dl, respectively). Conclusively, it can be recommended by decreasing CP 3 % and ME 100 kcal/kg diet without affecting carcass characteristics and metabolic response with supplemental (Lys, Met, Thr, Trp, and Val) to obtain the best performance of broiler diets. 

DOI

10.21608/jpd.2022.287016

Keywords

Key Words: Broilers, low crude protein, Low energy, Amino acids, Metabolic response

Authors

First Name

Mohammed

Last Name

Abd El-Fatah

MiddleName

-

Affiliation

Animal Production Department, Faculty of Agriculture, Benha University, Egypt

Email

mmnegm176@gmail.com

City

Faculty of Agriculture, Benha University, Egypt

Orcid

-

First Name

Mohamed

Last Name

Abdella

MiddleName

-

Affiliation

Animal Production Department, Faculty of Agriculture, Benha University, Egypt

Email

-

City

Faculty of Agriculture, Benha University, Egypt

Orcid

-

First Name

Gamal Aly El-Deen

Last Name

El- sayaad

MiddleName

-

Affiliation

Animal Production Department, Faculty of Agriculture, Benha University, Egypt

Email

-

City

Faculty of Agriculture, Benha University, Egypt

Orcid

-

First Name

Abdou

Last Name

Abdallah

MiddleName

-

Affiliation

Poultry Nutrition Department, Animal Production Research Institute, ARC, Egypt.

Email

-

City

Animal Production Research Institute, ARC, Egypt

Orcid

-

First Name

Gaafer

Last Name

El-Gendi

MiddleName

-

Affiliation

Animal Production Department, Faculty of Agriculture, Benha University, Egypt

Email

-

City

Faculty of Agriculture, Benha University, Egypt

Orcid

-

Volume

27

Article Issue

4

Related Issue

28820

Issue Date

2022-10-01

Receive Date

2023-09-03

Publish Date

2022-10-01

Page Start

443

Page End

462

Print ISSN

1110-2543

Online ISSN

2682-3322

Article File

JPD_Volume 27_Issue 4_Pages 443-462.pdf

PDF . 798.8kB

Link

https://jpd.journals.ekb.eg/article_287016.html

Detail API

https://jpd.journals.ekb.eg/service?article_code=287016

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Original Article

Type Code

867

Publication Type

Journal

Publication Title

Journal of Productivity and Development

Publication Link

https://jpd.journals.ekb.eg/

MainTitle

EFFECT OF LOW DIETARY CRUDE PROTEIN , METABOLIZABLE ENERGY AND IDEAL LEVELS OF AMINO ACIDS ON CARCASS CHARACTERISTICS AND SOME METABOLIC RESPONSE OF BROILERS.

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Article

Created At

24 Dec 2024