Lactation mastitis: Promising alternative indicators for early diagnosis

Huang, Qian; Zheng, Xuemei; Zhang, Maolin; Ning, Ping; M, Wu

doi:10.12998/wjcc.v10.i31.11252

Cited by 4 publications

(2 citation statements)

References 60 publications

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“…Particularly interesting are the identified regions potentially being assigned to casein contents of milk (1068.37–1079.94 cm −1 , 1234.22 cm −1 ), as a decrease in casein amount in milk is an indicator for mastitis [ 73 ]. A recent study conducted by Huang et al [ 74 ] highlighted the usefulness of sodium and chloride contents in milk for detection of mastitis cases in dairy cows. The literature already outlined that molecules containing sodium chloride can be assigned to MIR spectra regions between 3150 and 3400 cm −1 and specifically outlined 3357 cm −1 and 3341 cm −1 [ 72 ].…”

Section: Discussionmentioning

confidence: 99%

Importance of Mid-Infrared Spectra Regions for the Prediction of Mastitis and Ketosis in Dairy Cows

Gruber

Rienesl

Köck³

et al. 2023

Animals

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Mid-infrared (MIR) spectroscopy is routinely applied to determine major milk components, such as fat and protein. Moreover, it is used to predict fine milk composition and various traits pertinent to animal health. MIR spectra indicate an absorbance value of infrared light at 1060 specific wavenumbers from 926 to 5010 cm−1. According to research, certain parts of the spectrum do not contain sufficient information on traits of dairy cows. Hence, the objective of the present study was to identify specific regions of the MIR spectra of particular importance for the prediction of mastitis and ketosis, performing variable selection analysis. Partial least squares discriminant analysis (PLS-DA) along with three other statistical methods, support vector machine (SVM), least absolute shrinkage and selection operator (LASSO), and random forest (RF), were compared. Data originated from the Austrian milk recording and associated health monitoring system (GMON). Test-day data and corresponding MIR spectra were linked to respective clinical mastitis and ketosis diagnoses. Certain wavenumbers were identified as particularly relevant for the prediction models of clinical mastitis (23) and ketosis (61). Wavenumbers varied across four distinct statistical methods as well as concerning different traits. The results indicate that variable selection analysis could potentially be beneficial in the process of modeling.

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Section: Discussionmentioning

confidence: 99%

Importance of Mid-Infrared Spectra Regions for the Prediction of Mastitis and Ketosis in Dairy Cows

Gruber

Rienesl

Köck³

et al. 2023

Animals

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“…Unfortunately, no intervention implemented at the farm level can impact milk’s Ca and P contents. Milk contains several electrolytes (Na, K, and Cl), and as mentioned in previous sections, the concentration of these minerals could be used to reflect the health status of the mammary gland and improve the early detection of subclinical mastitis in the herd [ 122 ], preventing alteration of other parameters that are directly involved in affecting cheesemaking features due to mastitis onset. Furthermore, several microminerals included in milk (i.e., Zn and Se) have potential health implications on the final consumer due to the enzyme-cofactorial role that they exert in many biochemical processes [ 54 , 123 ].…”

Section: Milk Quality As Reflected In Compositional Traits: Classical...mentioning

confidence: 99%

Emerging Parameters Justifying a Revised Quality Concept for Cow Milk

Mezzetti,

Passamonti,

Dall’Asta

et al. 2024

Foods

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Milk has become a staple food product globally. Traditionally, milk quality assessment has been primarily focused on hygiene and composition to ensure its safety for consumption and processing. However, in recent years, the concept of milk quality has expanded to encompass a broader range of factors. Consumers now also consider animal welfare, environmental impact, and the presence of additional beneficial components in milk when assessing its quality. This shifting consumer demand has led to increased attention on the overall production and sourcing practices of milk. Reflecting on this trend, this review critically explores such novel quality parameters, offering insights into how such practices meet the modern consumer’s holistic expectations. The multifaceted aspects of milk quality are examined, revealing the intertwined relationship between milk safety, compositional integrity, and the additional health benefits provided by milk’s bioactive properties. By embracing sustainable farming practices, dairy farmers and processors are encouraged not only to fulfill but to anticipate consumer standards for premium milk quality. This comprehensive approach to milk quality underscores the necessity of adapting dairy production to address the evolving nutritional landscape and consumption patterns.

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Milk composition and health status of quarters adjacent to an on-farm protocol-treated clinical-mastitis gland

Paixão,

Costa,

de Souza

et al. 2024

Anim. Prod. Sci.

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Context The hypothesis of interdependency among cows’ mammary glands has been shown, and quarters adjacent to glands with clinical mastitis may have their composition and health status impaired. Aims The main focus of this study was to compare foremilk composition (fat, total protein, lactose, solids non-fat (SNF), and chloride) and health status (somatic cell count (SCC), differential leukocytes) of healthy mammary glands adjacent to a gland previously treated (on average, 24 days after treatment, varying from 20 to 39 days) for clinical mastitis with foremilk samples of healthy mammary glands of healthy cows. Our previous study compared these traits (foremilk composition and health status) between healthy mammary glands adjacent to a mastitis-infected quarter and healthy mammary glands from healthy cows (no clinical mastitis) immediately after the identification of mastitis on case quarters. Methods The study was designed as a prospective case–control study and the enrolled cows (cases and controls) were matched by days in milk and parity. Case cows (n = 50) were defined as cows that previously had a single quarter infected with mild or moderate clinical mastitis, and which were treated according to an on-farm protocol 1 day after mastitis identification. Control cows (n = 50) were defined as cows that had not suffered clinical mastitis in the current lactation. Foremilk samples from each quarter of case and control cows were collected so as to assess concentrations of fat, total protein, lactose, SCC, and SNF, conduct microbiological analyses, and determine the concentration of chloride and differential leukocyte counts. Multivariate linear regression and logistic regression analyses were performed to assess possible associations of milk-composition and health-status traits between quarter types (case or control cows). Key results On average, 24 days after the treatment of the case quarter began, milk composition (fat, lactose, SNF, and chloride) and some health status (lymphocyte and macrophage counts) of adjacent quarters returned to similar levels as in control quarters, while total protein, SCC, and neutrophils remained greater for adjacent quarters. No effect of quarter position or microbiological results of enrolled quarters were identified. Conclusions Our results suggested that at least 20 days (average of 24 days) after an episode of clinical mastitis in a neighbouring gland, adjacent quarters were still recovering from this mastitis episode, and we conclude that interdependency of quarters is a physiological systemic two-way immune response route, and each particular milk component has a different behaviour after clinical mastitis. Implications Our results suggest that clinical mastitis is far more costly for producers and industry than has been previously reported. Bovine mastitis is the disease that causes the most economical losses to dairy farmers, including veterinary expenses, milk disposal, loss of production and reduction of animal pregnancies. The milk composition of the mammary quarter affected by mastitis is not the only one compromised, because the milk quality of the entire udder is also affected. A period of 20 days is not enough for animals to fully recover from a case of udder inflammation. Mastitis is more costly to producers and industry than has been previously reported.

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Lactation mastitis: Promising alternative indicators for early diagnosis

Cited by 4 publications

References 60 publications

Importance of Mid-Infrared Spectra Regions for the Prediction of Mastitis and Ketosis in Dairy Cows

Importance of Mid-Infrared Spectra Regions for the Prediction of Mastitis and Ketosis in Dairy Cows

Emerging Parameters Justifying a Revised Quality Concept for Cow Milk

Milk composition and health status of quarters adjacent to an on-farm protocol-treated clinical-mastitis gland

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