Prevalence of bovine mastitis-related pathogens, identified by mass spectrometry in flies (Insecta, Diptera) captured in the milking environment

Bertolini, Amanda Bezerra; Prado, Aline Marrara; Thyssen, Patrícia Jacqueline; Gouvea, Fábio Lucas Rezende de; Leite, Domingos da Silva; Langoni, Hélio; Pantoja, José Carlos de Figueiredo; Rall, Vera Moraes; Guimarães, F. F.; Joaquim, Sâmea Fernandes; Guerra, Simony Trevizan; Hernandes, Rodrigo T.; Lucheis, Simone Baldini; Ribeiro, Márcio Garcia

doi:10.1111/lam.13791

Cited by 9 publications

(4 citation statements)

References 51 publications

(132 reference statements)

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“…In turn, the contagious mastitis agents (Staphylococcus, Streptococcus, Corynebacterium and Mycoplasma species) usually spread from other mammary cows/quarters, and milk equipment [8]. Thus, the milk microbiome may be considered a complex community of microorganisms, which inhabit different sources, since mammary gland, teats of animals, milking equipment, and hands of milking workers, as well as water, feces, organic matter, bed of animals [24], and flies from the milking environment [26]. This complexity of microorganisms poses as a challenge to the management of animals in relation to the health of the mammary gland and the prevention of mammary infections.…”

Section: Discussionmentioning

confidence: 99%

“…Coliforms represented other group of bacteria with high frequency in cows sampled. Escherichia coli is a well-known species of enterobacteria found in intestinal tract of humans and animals [30] soil, water, organic matter, vegetable, bed of the animals, or contaminating milk equipment [24], as well as flies that inhabit the milking environment of dairy farms [26]. It is characterized by an opportunistic nature, a clonal diversity, and complexity of virulence factors related to enteric and extraenteric infections [37], including in bovine mastitis cases [13].…”

Section: Discussionmentioning

confidence: 99%

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Milk Microbiota of Clinical Mastitic Cows: An Etiological Approach

Lucheis¹,

Salina²,

Joaquim³

et al. 2023

Preprint

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Bovine mastitis is the most impacting disease of dairy industry, and it is characterized by a complexity of causal agents, which have revealed a geographical variation among regions and countries. The mastitis-related pathogens have been traditionally classified as contagious or environmental, based on habits of the microorganisms and transmission routes. In addition, the severity of mammary infections has been associated with the virulence of the pathogens, and immune and nutritional status of the hosts. Considering this scenario, we investigated the etiological nature, clinical severity scores, and days in milk (DIM) data in 4,273 clinical cases of bovine mastitis among ten large-dairy farms located in the Southeast region of Brazil. Streptococcus dysgalactiae (283/4,273=6.6%), Escherichia coli (190/4,273=4.4%), Prototheca spp. (112/4,273=2.6%), and Streptococcus uberis (95/4,273=2.2%) were the predominant pathogens isolated, all from the environmental origin. Among 4,273 clinical cases, clinical gravity score was available in 43.8% (1,871/4,273) animals. From these, 69.8% (1,306/1,871), 27.3% (510/1,871) and 2.9% (55/1,871) were scored as mild, moderate, and severe, respectively. Most of isolation of pathogens were observed in the first 100 days in milk, and their clinical severity scored as mild (3,612/4,273=84.5%). Our results contribute to the etiological identification, clinical severity scoring, and milking aspects of bovine clinical mastitis in dairy farms with a history of clinical mammary infections.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Milk Microbiota of Clinical Mastitic Cows: An Etiological Approach

Lucheis¹,

Salina²,

Joaquim³

et al. 2023

Preprint

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“…Mastitis is a highly prevalent in dairy cows worldwide resulting in serious economic losses to the dairy farmers, especially due to subclinical mastitis [16,17]. It is the second most challenging disease in high-yielding dairy cows inflicting economic losses to the tune of $35 billion worldwide, and nearly Rs.…”

Section: Discussionmentioning

confidence: 99%

Mastitis Prevalence in Suburban Villages of Bhubaneswar City, Associated Risks Factors, and Antimicrobial Susceptibility of the Isolated Pathogens from Milk Samples of Dairy Cows

Mahapatra¹,

Patra²,

SK³

et al. 2023

Act Sci VetSci

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Mastitis is characterized by increase of somatic cell counts (SCC) in secreted milk, local inflammation associated with swelling, heat, pain, redness of the udder, and abnormal looking milk. The problem continues to remain highly prevalent in high yielders and causes significant economic losses to the farmers. The present study was carried out for one year in small holder dairy farms in the suburban villages of Bhubaneswar city. A total of 1024 cows, each with yield record of minimum seven litres milk per day, belonging to 398 farmers, were recruited for the study. A total of 4094 quarter milk samples from 1024 lactating cows were screened for mastitis. The overall prevalence of mastitis, subclinical and clinical mastitis in current study was 41.1%, 32.8% and 8.3%, respectively.The prevalence of subclinical and clinical mastitis in Holstein Friesian cross was 38.8% and 11.9%, respectively. The highest prevalence was recorded in cows aged more than 7years. The parity number was an important risk factor as mastitis was more common in the animals with increasing parity number. The incidence of mastitis increased with higher hygiene score. A total of 422 pooled milk samples showed bacterial growth and 417 (98.63%) bacterial isolates could be identified, either as single (94.50%) or mixed (1.37%) infection. The most common bacterial cause of infectious SCM was Staphylococcus species constituting 55.4% of infections.The highest degree of antimicrobial sensitivity was recorded for marbofloxacin (98.88%). The outcome of the present study may facilitate the mastitis control by developing specific strategies to reduce cost of treatment and antibiotics overuse, and to enhance food safety and public health.

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“…Mastitis is a parenchymal in ammation of the mammary gland, characterized by physical, chemical, and usually bacteriological changes in milk and pathological changes in glandular tissues [31]. Mastitis cases can be divided on the basis of origin into environmental and contagious [32]. Environmental mastitis is caused by bacterial microorganisms from the surrounding environment, referred to as environmental pathogens, whereas contagious mastitis is due to spread from other infected quarters [33].…”

Section: Mastitis De Nitionmentioning

confidence: 99%

Review on mastitis and public health importance of mastitis causing pathogens in raw milk from Mastitis infected dairy goat.

Bedruddin

2023

Preprint

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Goat milk has medicinal value for children and contributes much more for the wellbeing of human baby. Goat milk provides more nutritional value than dairy cow’s milk. Despite the large number of goats and their contributions to the livelihood of the farmers, goat productivity is low due to prevalence of different diseases. One of the major diseases that affect the dairy goats is mastitis. Mastitis is an inflammation of the mammary gland, caused by over 150 different contagious or environmental micro‑organisms. Mastitis in goats constitutes an enormous animal health problem. In addition to causing health problems, inflammation of the mammary glands can also cause poor quality of milk. Milk produced by goats with mastitis presents a serious risk in terms of public health as it can be linked to milk-borne diseases for humans. Raw milk from Mastitis infected goat is usually colonized by a variety of many zoonotic pathogens such as enterohaemorragic Escherichia coli, Salmonella typhimurium, Listeria monocytogenes and Staphylococcus aureus, Brucella melitensis, Mycobacterium bovis. These pathogens in milk have been linked to mastitis milk. These zoonotic organisms may lead to health problems in the human population such as tuberculosis (TB), brucellosis, haemorrhagic enteritis, salmonellosis and food poisoning. Transmission of pathogens from animals to humans can occur via consumption of milk, especially when these products are consumed raw.

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Prevalence of bovine mastitis-related pathogens, identified by mass spectrometry in flies (Insecta, Diptera) captured in the milking environment

Cited by 9 publications

References 51 publications

Milk Microbiota of Clinical Mastitic Cows: An Etiological Approach

Milk Microbiota of Clinical Mastitic Cows: An Etiological Approach

Mastitis Prevalence in Suburban Villages of Bhubaneswar City, Associated Risks Factors, and Antimicrobial Susceptibility of the Isolated Pathogens from Milk Samples of Dairy Cows

Review on mastitis and public health importance of mastitis causing pathogens in raw milk from Mastitis infected dairy goat.

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