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350753

GENETIC ASSESSMENT AND TRENDS FOR MILK PRODUCTION TRAITS IN A HERD OF EGYPTIAN BUFFALOES (Bubalus bubalis)

Article

Last updated: 25 Dec 2024

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Subjects

-

Tags

Animal genetic and breeding

Abstract

This study investigates genetic, non-genetic factors, estimate genetic parameters and genetic trends for milk production and milk constituent's traits of Egyptian-buffaloes. The data obtained from an experimental farm in the Nile-Delta, Kafr-ElShikh governorate, owned by APRI (Animal Production Research Institute), Egypt. Data consists of 3417 records of Egyptian-buffaloes, 72 sires and 1129 dams. The means ±Std for Total milk yield [TMY], and Somatic Cell Count [SCC] were 1905.52±416.17 kg, 191.85±74.88 *10-3 cells/ml., respectively. The means for milk constituents include yields of Fat [FY], Protein [PY], Lactose [LY], Total Solids [TSY], Solid Non-Fat [SNFY] were 64.93±19.42, 53.40±6.40, 48.58±4.64, 157.24±12.52, and 95.75±11.32 g/kg milk, respectively. Sire, dam within sire, and non-genetic factors had significant effects for studied traits. Heritability estimates were 0.25, 0.41, 0.22, 0.30, 0.20, 0.25, and0.10 for TMY, FY, PY, LY, TSY, SNFY, and SCC, respectively. The means of EBVs for TMY, FY, PY, LY, and TSY were -10.23±24.06, -0.039±1.28, -0.058±0.24, 0.181±0.44, and0.122±0.98, respectively. The genetic trends for TMY, FY, PY, TSY, and SNFY were 8.154 kg/year (R2=0.6893), 1.070 kg/year (R2=0.8386) and0.058/year (R2=0.9351), 0.177/year (R2=0.8475), 1.899/year (R2=0.9109), and -2.063/year (R2=0.7799), respectively. Moderate heritability and positive genetic and phenotypic correlation coefficients for studied traits indicated the possibility of improving them using selection indices.

DOI

10.21608/ejap.2024.253974.1067

Keywords

Egyptian Buffaloes, milk production, heritability, Breeding value, Somatic cell count

Authors

First Name

Eslam

Last Name

Faid-allah

MiddleName

-

Affiliation

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

Email

ifaidallah@agr.menofia.edu.eg

City

-

Orcid

0000-0003-2677-0735

First Name

Elham

Last Name

Ghoneim

MiddleName

-

Affiliation

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

Email

elham.ghonaim@agr.menofia.edu.eg

City

-

Orcid

0009-0004-8378-5233

First Name

Ayman

Last Name

Ashour

MiddleName

-

Affiliation

Animal Production Research Institute, Agricultural Research Centre, Ministry of Agriculture, Nadi Seed Street, 12618, Dokkii, Giza, Egypt.

Email

hagar_ashoor@yahoo.com

City

-

Orcid

0000-0002-4721-7675

First Name

Ekram

Last Name

Ahamed

MiddleName

Ehab

Affiliation

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

Email

ekram.ehab@agr.menofia.edu.eg

City

-

Orcid

0009-0005-9258-0712

Volume

61

Article Issue

1

Related Issue

46979

Issue Date

2024-01-01

Receive Date

2023-12-12

Publish Date

2024-01-01

Page Start

21

Page End

29

Print ISSN

0302-4520

Online ISSN

2735-3028

Article File

EJAP_Volume 61_Issue 1_Pages 21-29.pdf

PDF . 646.0kB

Link

https://ejap.journals.ekb.eg/article_350753.html

Detail API

https://ejap.journals.ekb.eg/service?article_code=350753

Order

3

Type

Original Article

Type Code

1,298

Publication Type

Journal

Publication Title

Egyptian Journal of Animal Production

Publication Link

https://ejap.journals.ekb.eg/

MainTitle

GENETIC ASSESSMENT AND TRENDS FOR MILK PRODUCTION TRAITS IN A HERD OF EGYPTIAN BUFFALOES (Bubalus bubalis)

Details

Type

Article

Created At

25 Dec 2024