Comparative analysis of total protein, casein, lactose, and fat content in milk of cows suffering from subclinical and clinical mastitis caused by Streptococcus spp Cover

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Comparative analysis of total protein, casein, lactose, and fat content in milk of cows suffering from subclinical and clinical mastitis caused by Streptococcus spp

Journal of Veterinary Research

Volume 67 (2023): Issue 2 (June 2023)

By: Mariola Bochniarz, Przemysław Błaszczyk, Marek Szczubiał, Iosif Vasiu, Łukasz Adaszek, Katarzyna Michalak, Dorota Pietras-Ożga, Marco Wochnik and Roman Dąbrowski

Open Access

|Jun 2023

Figures & Tables

Blood cell counts in cows with clinical and subclinical mastitis caused by Streptococcus spp_ and in healthy cows

	Clinical mastitis n = 30	Subclinical mastitis n = 30	Healthy cows n = 30
Blood WBC (× 10³/mm³)*	8.10	7.10	7.86
lymphocytes (× 10³/mm³)*	2.45	3.22	3.65
neutrophils (× 10³/mm³)*	3.65	2.05	2.33
eosinophils (× 10³/mm³)*	0.51	0.48	0.52
Blood RBC (× 10⁶/mm³)*	6.2	6.8	7.00
HGB (g/dL)*	11.6	12.2	13.40
HCT (%)*	32	34	34

The concentration of total protein, casein and lactose in milk from cows with subclinical and clinical mastitis caused by Streptococcus spp_ and in milk from healthy cows

Symbol	Sample	n	TP median (range) (%)	CAS median (range) (%)	LAC median (range) (%)
A	Healthy cows’ milk	30	4.04^B,C(3.64–5.28)	3.30^B,C(2.84–4.19)	4.8^B,C(2.64–5.19)
B	SCM cows’ milk	30	3.57^A(2.84–4.29)	2.92^A(2.11–3.25)	4.51^A(2.2–4.94)
C	CM cows’ milk	30	3.7^A(2.6–4.32)	2.73^A(1.87–3.13)	4.01^A(1.61–4.82)

The concentration of fat and fatty acids in milk from cows with subclinical and clinical mastitis caused by Streptococcus spp_ and in milk from healthy cows

Symbol	Sample	n	Fat median (range) (%)	SFA median (range) (mmol/L)	UFA median (range) (mmol/L)	PUFA median (range) (mmol/L)
A	Healthy cows’ milk	30	4.0^B,C(2.98–5.92)	2.59^B,C(1.92–4.21)	0.81^B,C(0.49–1.38)	0.06^C(0.01–0.12)
B	SCM cows’ milk	30	2.3^A(0.87–3.74)	1.49^A(0.59–2.39)	0.37^A(0.04–1.11)	0.03^A,C(0.01–0.11)
C	CM cows’ milk	30	1.64^A(0.86–3.13)	1.07^A(0.59–1.83)	0.27^A(0.01–0.79)	0.02^A,B(0.01–0.06)

DOI: https://doi.org/10.2478/jvetres-2023-0028 | Journal eISSN: 2450-8608

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Language: English

Page range: 251 - 257

Submitted on: Jan 20, 2023

Accepted on: May 10, 2023

Published on: Jun 16, 2023

Published by: National Veterinary Research Institute in Pulawy

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

milk components,

Related subjects:

Molecular biology,

Microbiology and virology,

Life sciences, other,

Veterinary medicine

© 2023 Mariola Bochniarz, Przemysław Błaszczyk, Marek Szczubiał, Iosif Vasiu, Łukasz Adaszek, Katarzyna Michalak, Dorota Pietras-Ożga, Marco Wochnik, Roman Dąbrowski, published by National Veterinary Research Institute in Pulawy
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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