Species composition of hard ticks (Acari: Ixodidae) on domestic animals and their public health importance in Tamil Nadu, South India

Krishnamoorthi, R.; Govindarajan, R.; Ayyanar, Elango; Veeramanoharan, Rajamannar; Paulraj, Philip Samuel

doi:10.47121/acarolstud.766636

Cited by 6 publications

(4 citation statements)

References 14 publications

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“…as ectoparasites in stray and pet dogs of Shimoga, Karnataka. Ranganathan et al (2021) recorded 14 species of ticks from 5 genera in house-hold animals (cows, dogs, goats, cats and fowl) in Tamil Nadu, South India.…”

Section: Resultsmentioning

confidence: 99%

Prevalence and Distribution of Hard Ticks (Acari: Ixodidae) in Domestic Animals from Solapur District, Maharashtra, India

D.¹,

Gavhane²

2022

IJZI

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In the present study, species diversity, prevalence and distribution of hard ticks was conducted along six substations; Barshi city, Gadegaon, Khandavi, Soundare, Ridhore and Wadshinge from Barshi and Madha Taluka of Solapur District, Maharashtra, India. Hard ticks were collected from domestic animals (canines, cattle and cats) monthly from January 2021 to December 2021. A total of 450 domestic animals were inspected, of which 233 animals comprising 103 canine, 108 cattle and 22 cats were infested with ticks. 2 species of hard ticks (Rhipicephalus sanguineus and Rhipicephalus microplus) were recorded from the study area. Recorded ticks revealed higher density and a serious infestation in studied domestic animals. In dogs, maximum density of ticks was recorded in and around ear and the neck, compared to appendages, abdomen, back and perianal region. While in cattle, abundance of ticks was found around the neck region (crest and dewlap), ear, and from the tail, head to the udder region. Cats revealed higher density of tick infestation to the ear only. This could be attributed to the abiotic factors like hot and arid climate of the study area for which the ticks show highest adaptation. Regular monitoring of the health, vaccination against bacterial and viral pathogens and to maintain health and hygiene of the domestic animals is recommended. Plant-based acaricidal compounds should be used for prevention and control of hard ticks. Study suggests practice of integrated approaches to manage the hard ticks in a sustainable manner.

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Section: Resultsmentioning

confidence: 99%

Prevalence and Distribution of Hard Ticks (Acari: Ixodidae) in Domestic Animals from Solapur District, Maharashtra, India

D.¹,

Gavhane²

2022

IJZI

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“…In India, tick-transmitted rickettsial infections are very common, but their true health impact is either unreported or underreported [ 33 , 34 ]. In Tamil Nadu, the occurrence of different tick species has been well documented [ 35 ] and their impact in causing diseases needs to be determined. The present study reports the circulation of R. felis and R. raoultii among tick species that are prevalent in Sirumalai foothill villages in Tamil Nadu.…”

Section: Discussionmentioning

confidence: 99%

Molecular Evidence of Rickettsia conorii subsp. raoultii and Rickettsia felis in Haemaphysalis intermedia Ticks in Sirumalai, Eastern Ghats, Tamil Nadu, South India

Nallan,

Ayyavu,

Ayyanar

et al. 2023

Microorganisms

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Rickettsia is an important pathogenic entity among tick-borne diseases (TBD), which are considered serious emerging public health problems globally. In India, though the widespread distribution of ticks and TBD has been documented, its real burden remains underreported. In a preliminary attempt, rickettsial surveillance was carried out in ticks collected from Sirumalai, Eastern Ghats in Tamil Nadu, India by using pathogen genome-based phylogenetic inferences generated through multi-locus sequence typing (MLST), targeting the genes 16s rRNA, OmpA, OmpB, and gltA by nested PCR. The laboratory evidence confirms the circulation of Rickettsia in Haemaphysalis intermedia species collected from this area. Analysis of the four gene sequences detected demonstrates their closest identity to the spotted fever group (SFG) available in the GenBank database. Further, multiple sequence alignment with other sequences derived from the GenBank database showed close relatedness to Rickettsia conorii subsp. raoultii (16s rDNA-99.32%, OmpA-93.38%, OmpB-97.39%, and gltA-98.57%) and Rickettsia felis (16s rDNA 99.54%, OmpA-100%, OmpB-100% and gltA-99.41%). With this genomic evidence, the circulation of rickettsial pathogens in the pools of H. intermedia ticks infesting livestock in the Sirumalai foothill area has been demonstrated and to complement the microscopic identification of the tick species, DNA barcodes were generated for H. intermedia using the mitochondrial cytochrome c oxidase subunit I gene (COI). Nevertheless, R. raoultii and R. felis were found to be the aetiological agents of tick-borne lymphadenopathy and flea-borne spotted fever in human cases, respectively, further study on the determination of their diversity, distribution, clinical relevance, and potential risk to the local community in these areas is highly warranted.

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“…In India, 109 tick species are reported to infest animals [150]. The tick index or tick burden in cattle was reported to be 0.922 to 1.0 [151,152] and the species diversity was high in rural parts in comparison to urban areas. As per a recent estimate, the TBD in animals is causing an economic loss of USD 787.63 million/year.…”

Section: Indiamentioning

confidence: 99%

Perception of Ticks and Tick-Borne Diseases Worldwide

de la Fuente,

Estrada-Peña,

Rafael

et al. 2023

Pathogens

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In this comprehensive review study, we addressed the challenge posed by ticks and tick-borne diseases (TBDs) with growing incidence affecting human and animal health worldwide. Data and perspectives were collected from different countries and regions worldwide, including America, Europe, Africa, Asia, and Oceania. The results updated the current situation with ticks and TBD and how it is perceived by society with information bias and gaps. The study reinforces the importance of multidisciplinary and international collaborations to advance in the surveillance, communication and proposed future directions to address these challenges.

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Species composition of hard ticks (Acari: Ixodidae) on domestic animals and their public health importance in Tamil Nadu, South India

Cited by 6 publications

References 14 publications

Prevalence and Distribution of Hard Ticks (Acari: Ixodidae) in Domestic Animals from Solapur District, Maharashtra, India

Prevalence and Distribution of Hard Ticks (Acari: Ixodidae) in Domestic Animals from Solapur District, Maharashtra, India

Molecular Evidence of Rickettsia conorii subsp. raoultii and Rickettsia felis in Haemaphysalis intermedia Ticks in Sirumalai, Eastern Ghats, Tamil Nadu, South India

Perception of Ticks and Tick-Borne Diseases Worldwide

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