Field Studies, characterization and classification of opportunistic fungal pathogens in an infected Bovine, Bos taurus indicus

Registration ID: IJNRD_191941

Published ID: IJNRD2304483

: http://doi.one/10.1729/Journal.33896

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Amruthavarshini S N, Keerthi K H

Bovine, Bos taurus indicus are defenseless to different infection by an assortment of pathogens. They succumb to illness due its low immunity and unhealthy environment. Bovine diseases contribute to an important set of problems within livestock production systems. This leads to problems such as low in productivity of food and milk, indeterminate sustenance security and wellbeing. Various pathogens are known and have been studied. More studies have been done on infection that commonly caused in bovine such as mastitis, anthrax and few others. Fungal diseases also have been studied but their correlation with respect to infection has not been understood. Bovine are infected by number of pathogens and they succumb to diseases. For this study, we have considered the most common infection seen in bovine such as mastitis and pyrexia. The present study aims to investigate the infected blood sample of bovine suffering from mastitis and pyrexia for screening of fungi and then further characterization by the rate of growth, general topography, texture, surface pigmentation, reverse pigmentation and microscopic examination for mycelial studies and slide culture. By plating technique the infected cow blood sample was screened for fungi, using potato dextrose agar and incubated at 25 0 C. Once the visible colonies were formed on the plate, they were characterized by colony morphology. To further identify the fungi, mycelial studies were done. The fungi culture slide were prepared by tease mount technique using lacto phenol cotton blue stain [LPCB]. The slides were then analyzed to characterize the fungi. The identification was done as per the guidelines recommended by Larone (1976) and Al-Doory (1980). The mastitis infected bovine blood sample which was screened for fungi were characterized as Aspergillus niger, Gliocladium, Trichoderma, Fusarium oxysporum, Trichophyton tonsurans and Candida albicans. Similarly the pyrexia infected bovine blood sample which was screened for fungi was characterized as Aspergillus nidulans, Chrysosporium, Aspergillus sydowii and Cladosporium. Aspergillus niger, Aspergillus nidulans and Aspergillus sydowii are known to cause Aspergillosis in bovine leading to mycotic abortion. Candida albicans causes Candidasis in bovine and also one of the causes of mastitis. Fusarium oxysporum is the causative agent of mycotic eye infections and Trichophyton tonsurans causes skin diseases. Chrysosporium causes foot rot in bovine . These are the opportunistic pathogens that are present in the host bovine when they are severely infected by disease Mastitis and pyrexia. Gliocladium, Trichoderma, and Cladosporium are commensal to bovine. This study has revealed that when bovine are infected with diseases such as mastitis and pyrexia, henceforth succumb to opportunistic pathogens that were commensal. Due to weakened immune system during an infection, fungal pathogens can take advantage and cause opportunistic pathogenesis in bovine. This is the first of its kind to study the presence of opportunistic fungal pathogen during an infection in bovine. Further studies have to be carried out in order to study the mechanism and role involved in pathogenesis.

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Amruthavarshini S N & Keerthi K H (April-2023). Field Studies, characterization and classification of opportunistic fungal pathogens in an infected Bovine, Bos taurus indicus. INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 8(4), e582-e607. http://doi.one/10.1729/Journal.33896

Volume 8 Issue 4, April-2023

Pages : e582-e607

Paper Reg. ID: IJNRD_191941

Published Paper Id: IJNRD2304483

Research Area: Life Sciences 

Author Type: Indian Author

Country: CHICKBALLAPUR, Karnataka, India

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Crossref DOI: http://doi.one/10.1729/Journal.33896

Journal Name: INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT(IJNRD)

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