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IMPACT OF FEED RESTRICTED SYSTEM AND ZINC FORMS ON SOME PRODUCTIVE PERFORMANCE TRAITS, EGG QUALITY PARAMETERS AND ECONOMIC EFFICIENCY OF MANDARAH LAYING HENS.

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Last updated: 04 Jan 2025

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Abstract

This study was conducted to determine the effect of feeding different level of restricted feed with different forms of zinc(Zn) on productive performance, egg quality traits and economic efficiency of Mandarah (Egyptian local developed strain) laying hens.  A total number of 270 laying hens + 27 cocks, 24 weeks old were randomly taken to be similar in  (1228.0 ±44.0 g) in the study. Birds were randomly divided into nine experimental groups,(30 hens + 3 cocks in each group) and each group was contained three replicates (10 hens+ 1 cock / replicate). The experimental groups involved a3x3factorial arrangement, 3 zinc forms (control, organic zinc and Nano-Zn) and 3 levels of restricted system groups (ad libitum, 90 % and 80 % / hen / day) were fed a balanced basal diet without supplemented zinc as a control or supplemented with 50 mg Nano - zinc /Kg diet or 50 mg zinc from zinc methionine /Kg diet, respectively),during the experimental period lasted six month. The obtained results showed that laying hens fed ad libitum / hen /day and 50mg  Nano-Zn/Kg diet recorded  the highest (P<.01) for egg production( %), egg weight, egg mass, feed conversion / eggs and body weight compared with the control and other groups. Dietary  Nano-Zn  increased significantly total body weight change, egg production (%); egg mass and improve feed conversion / eggs, most of egg quality.   Receiving 90% feed/ hen/day recorded the best of economic efficiency. The best value of net revenue and economic efficiency of laying feeding 90% hen / day and supplemented organic zinc. Conclusively, feeding restricted system at level of 90% and  dietary recommended to improve productive performance  traits, egg quality parameters and economic efficiency of Mandarah laying hens 

DOI

10.21608/jpd.2021.207605

Keywords

feed restriction, zinc forms, productive traits, egg quality, economic efficiency, laying hens

Authors

First Name

Wesam

Last Name

Ayoup

MiddleName

-

Affiliation

Animal Production Research Institute., Agriculture Research Centre, Ministry of Agriculture, Dokki, Giza, Egypt.

Email

-

City

Agriculture Research Centre, Ministry of Agriculture, Dokki, Giza, Egypt.

Orcid

-

First Name

Mostafa

Last Name

Tawfeek

MiddleName

-

Affiliation

Animal & Poultry Production Department, Faculty of Technology & Development, Zagazig University, Zagazig, Egypt.

Email

mostawms@hotmail.com

City

Faculty of Technology & Development, Zagazig University, Zagazig, Egypt.

Orcid

-

First Name

Ali

Last Name

rashwan

MiddleName

-

Affiliation

Department of Animal and Poultry Production, Faculty of Technology and Development, Zagazig University, Egypt.

Email

rashwanali@hotmail.com

City

Faculty of Technology and Development, Zagazig University

Orcid

-

First Name

mostafa

Last Name

Abd El Rahim

MiddleName

-

Affiliation

Department of Animal and Poultry Production, Faculty of Technology &amp; Development, Zagazig University, Zagazig, Egypt.

Email

mostafarahim@ymail.com

City

Faculty of Technology &amp; Development, Zagazig University, Zagazig, Egypt.

Orcid

-

First Name

Ahmed

Last Name

Bealish

MiddleName

-

Affiliation

Animal Production Research Institute., Agriculture Research Centre, Ministry of Agriculture, Dokki, Giza, Egypt.

Email

-

City

Ministry of Agriculture, Dokki, Giza, Egypt.

Orcid

-

Volume

26

Article Issue

4

Related Issue

20763

Issue Date

2021-10-01

Receive Date

2021-09-03

Publish Date

2021-10-01

Page Start

1,017

Page End

1,031

Print ISSN

1110-2543

Online ISSN

2682-3322

Article File

JPD_Volume 26_Issue 4_Pages 1017-1031.pdf

PDF . 548.9kB

Link

https://jpd.journals.ekb.eg/article_207605.html

Detail API

https://jpd.journals.ekb.eg/service?article_code=207605

Order

26

Type

Original Article

Type Code

867

Publication Type

Journal

Publication Title

Journal of Productivity and Development

Publication Link

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

MainTitle

IMPACT OF FEED RESTRICTED SYSTEM AND ZINC FORMS ON SOME PRODUCTIVE PERFORMANCE TRAITS, EGG QUALITY PARAMETERS AND ECONOMIC EFFICIENCY OF MANDARAH LAYING HENS.

Details

Type

Article

Created At

22 Jan 2023