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355064

Postpartum Reproductive Performance of High and Low Milk Yield Lactating Maghrebi She-Camels

Article

Last updated: 03 Jan 2025

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Subjects

-

Tags

Theriogenology / reproductive technology

Abstract

The objective of this study was to investigate the relationship between milk yield level in the first 21 weeks of lactation and post-partum reproductive performance of dromedary she-camels. A total of 14 female camels were equally divided into two groups according to their previous lactation milk yield level as high (≥ kg milk per day) and low (<4 kg milk per day) milk yield groups. Camels were examined by ultrasonography weekly after parturition. Blood samples were collected for progesterone assay after mating. Results revealed that average of daily milk was (5.53+0.1kg. VS. 3.32 +0.1kg) for high and low milk groups, respectively. Interval from calving to first estrus was a bit similar in both groups average was (29.8 days). The low milk group tended to have significant increase of first and second postpartum estrus duration (42.44+3.3h and 54.0+42.44h), comparing with the high milk group (23.9+1.0h and 37.1+3.4h). The mean: interval for uterine involution was almost the same in both high and low groups (30.6 day). Serum progesterone after mating was basal in low milk group, while increased in 3 camels of high milk group. Ovarian ultrasound examination during eight weeks postpartum revealed follicular growth in high milk group; estrus was detected in 6/7 females and ovulation occurred in 3/7 (43%) of mated camels; while, low milk group showed less follicular growth; estrus was detected in 4 camels, but with absence of corpus luteum. It was concluded that high milk yield did not negatively affect postmortem reproductive performance.

DOI

10.21608/vmjg.2017.355064

Keywords

Dromedary camels, reproductive performance, ovarian activity, milk yield

Authors

First Name

M

Last Name

Madboly

MiddleName

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Affiliation

Animal Production Research Institute, Agricultural Research Center, Dokki Giza. Egypt

Email

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City

-

Orcid

-

First Name

A

Last Name

Helmy

MiddleName

-

Affiliation

Animal Production Research Institute, Agricultural Research Center, Dokki Giza. Egypt

Email

-

City

-

Orcid

-

First Name

H

Last Name

El-Metwaly

MiddleName

-

Affiliation

Animal Production Research Institute, Agricultural Research Center, Dokki Giza. Egypt

Email

-

City

-

Orcid

-

Volume

63

Article Issue

3

Related Issue

1471

Issue Date

2017-07-01

Receive Date

2024-05-18

Publish Date

2017-07-01

Page Start

55

Page End

65

Print ISSN

1110-1423

Online ISSN

2537-1045

Article File

VMJG_Volume 63_Issue 3_Pages 55-65.pdf

PDF . 7.1MB

Link

https://vmjg.journals.ekb.eg/article_355064.html

Detail API

https://vmjg.journals.ekb.eg/service?article_code=355064

Order

355,064

Type

Original Article

Type Code

544

Publication Type

Journal

Publication Title

Veterinary Medical Journal (Giza)

Publication Link

https://vmjg.journals.ekb.eg/

MainTitle

Postpartum Reproductive Performance of High and Low Milk Yield Lactating Maghrebi She-Camels

Details

Type

Article

Created At

23 Dec 2024