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52249

STUDIES ON ABERDEEN - ANGUS MILK : PHYSICOCHEMICAL CHARACTERISTICS, RHEOLOGICAL PROPERTIES AND MICROSTRUCTURE

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Last updated: 04 Jan 2025

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Abstract

Aberdeen Angus is a breed of cattle commonly used in beef production in most parts of the world. The present study was conducted to compare the characterstic of Aberdeen-Angus, Friesian and Baladi cow's milk. Total milk samples of Aberdeen Angus, Friesian and Baladicows were collected, and examined for physicochemical characters, rheological properties and microstructure. The results showed that, high amount of total solids, fat content, pH value, and the calorific value were observed in Baladi cow's milk. Aberdeen Angus milk contain significantly less fat content, while, Friesian milk was lower in lactose , solid non- fat content , specific gravity and higher in  freezing point as compared with other milk types  under study. The protein and ash contents were similar for all milk types. On the other side, there were significant differences between mineral contents of different milk types. All samples of three milk types, in this study, were characterized by a significantly high concentration of iron compared with other studies and recommended standards. Syneresis, and wheying off values in Aberdeen-Angus and Baladi cow's milk curd were considerably (P<0.05) low, but water holding capacity was high .However, Friesian milk curd showed the lowest water holding capacity and the highest in syneresis, and wheying off. The microstructure of Aberdeen-Angus milk curd showed much thicker chains of casein network and a highly compact structure with no/few pores, which play a role in the formation of the curd structure. Finally, Aberdeen-Angus milk could be a particularly promising in the manufacture of good-quality dairy milk.

DOI

10.21608/zjar.2017.52249

Keywords

Aberdeen milk, Friesian milk, Baladi cow's milk, chemical, physicochemical, Rheological, Microstructure

Authors

First Name

Hesham

Last Name

Ismail

MiddleName

A.

Affiliation

Dairy Sci. Dept., Fac. Agric., Assiut Univ., New Valley Branch, Egypt

Email

h_alshnety@yahoo.com

City

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Orcid

-

First Name

H.

Last Name

Hamdon

MiddleName

A.

Affiliation

Anim. Prod. Dept., Fac. Agric., Assiut Univ., New Valley Branch, Egypt

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Orcid

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Volume

44

Article Issue

5

Related Issue

8024

Issue Date

2017-09-01

Receive Date

2017-04-18

Publish Date

2017-09-01

Page Start

1,785

Page End

1,796

Print ISSN

1110-0338

Link

https://zjar.journals.ekb.eg/article_52249.html

Detail API

https://zjar.journals.ekb.eg/service?article_code=52249

Order

15

Type

Original Article

Type Code

842

Publication Type

Journal

Publication Title

Zagazig Journal of Agricultural Research

Publication Link

https://zjar.journals.ekb.eg/

MainTitle

STUDIES ON ABERDEEN - ANGUS MILK : PHYSICOCHEMICAL CHARACTERISTICS, RHEOLOGICAL PROPERTIES AND MICROSTRUCTURE

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Article

Created At

22 Jan 2023