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386833

ASSESSMENT OF LONGEVITY AND LIFETIME PRODUCTION TRAITS IN EGYPTIAN BUFFALO

Article

Last updated: 25 Dec 2024

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Subjects

-

Tags

Husbandry and veterinary science.

Abstract

The current study aimed to assess the longevity and lifetime production traits in Egyptian buffalo and to evaluate the influence of age at first calving (AFC), first lactation milk yield (FLMY), and other environmental factors on such traits. Data on 1769 lactation records of 307 Egyptian buffalo were collected from the history databases of three herds to cover the period from 1996 to 2022. The longevity traits were herd life (HL), productive life (PL), buffalo efficiency index (BEI), and number of lactations (NL); whereas, lifetime production traits included lifetime days in milk (LDIM), lifetime milk yield (LMY), lifetime daily milk yield (LDMY), coefficient of lactation (CL), milk yield per day of herd life (MY/HL), milk yield per day of productive life (MY/PL), and longevity index (LI).
The least squares mean (LSMs) of longevity traits were 3898.4±31.1 days, 2732.8±30.8 days, 65.6±0.3%., and 6.9±0.1 lactations for HL, PL, BEI, and NL, respectively. The LSMs of lifetime production traits were 1522.2±19.2 days, 12045.6±160.8 kg, 7.5±0.1 kg/day, 60.4±0.5%, 3.0±0.03 kg/day, 4.7±0.1 kg/day, and 39.1±0.4% for LDIM, LMY, LDMY, CL, MY/HL, MY/PL, and LI, respectively.
The effect of the herd, AFC, FLMY, and period of first calving was significant (P < 0.05, P < 0.01, and P < 0.001) on all studied traits. The season of first calving significantly affected all studied traits except MY/PL. It can be concluded that the significant environmental factors examined in this study should be considered when planning the management policy and adjusted to achieve more accuracy in the genetic evaluation of selected animals for the studied traits in Egyptian buffalo.

DOI

10.21608/ejap.2024.305971.1086

Keywords

Age at first calving, Egyptian buffalo, Lifetime traits, longevity

Authors

First Name

Mohamed

Last Name

Awad

MiddleName

Attia Ahmed

Affiliation

Department of Animal Production, Faculty of Agriculture, Cairo University, Giza 12613, Egypt

Email

mohamed.awad@agr.cu.edu.eg

City

Giza

Orcid

0000-0001-7443-8724

First Name

Samy

Last Name

Abou-Bakr

MiddleName

-

Affiliation

Department of Animal Production, Faculty of Agriculture, Cairo University, Giza 12613, Egypt

Email

samyabm2006@yahoo.com

City

Giza

Orcid

0000-0003-4216-9448

Volume

61

Article Issue

3

Related Issue

50910

Issue Date

2024-09-01

Receive Date

2024-07-21

Publish Date

2024-09-01

Page Start

103

Page End

111

Print ISSN

0302-4520

Online ISSN

2735-3028

Article File

EJAP_Volume 61_Issue 3_Pages 103-111.pdf

PDF . 424.2kB

Link

https://ejap.journals.ekb.eg/article_386833.html

Detail API

https://ejap.journals.ekb.eg/service?article_code=386833

Order

1

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

ASSESSMENT OF LONGEVITY AND LIFETIME PRODUCTION TRAITS IN EGYPTIAN BUFFALO

Details

Type

Article

Created At

25 Dec 2024