scholarly journals Studies on the Vertical Distribution of Ticks of Domestic Animals and Their Public Health Importance in Nilgiri Hills and Adjoining Areas of Tamil Nadu State (India)

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Kaushal Kumar ◽  
N. Balakrishnan ◽  
Abhay Kumar Sharma
Keyword(s):  
Public Health ◽  
Tick Species ◽  
Tamil Nadu ◽  
Rhipicephalus Sanguineus ◽  
Domestic Animals ◽  
Boophilus Microplus ◽  
Public Health Importance ◽  
Tamil Nadu State ◽  
The Nilgiris ◽  
Almost All

The Nilgiri hills and adjoining downhill areas provide favourable ecological conditions for the propagation of haematophagous arthropods owing to richness in vegetation and animal activities. A study has been undertaken during 2008–2010 on the distribution and abundance of ticks of domestic animals in seven different biotopes. A total of 3,008 domestic animals were examined in areas ranging from an altitude of 300 to 2200 meters above mean sea level (MSL) of which 1,335 (44.5%) animals were having tick infestation. A total of 6,012 adult and immature ticks belonging to 12 species (11 ixodid and one argasid) were collected. Eleven tick species were collected from Kallar area situated downhill eastern slopes of the Nilgiris followed by Burliar area (7 species) located at higher altitudes. From Masinagudi area near to dense forests and scrub jungles, five species were recorded. However, at higher elevations on the hills, Udhagamandalam area, only one species was recorded. Among various tick species recorded in the study,Boophilus micropluswas distributed in almost all areas surveyed followed byHaemaphysalis spinigeraandRhipicephalus sanguineus. The factors governing their distribution and epidemiological significance in the transmission of various tick-borne diseases of public health importance are discussed.

scholarly journals Abundance of Ticks (Acari: Ixodidae) and Presence of Rickettsia and Anaplasma in Ticks Infesting Domestic Animals From Northern India

2021 ◽  
Author(s):  
Brij Ranjan Misra ◽  
Niraj Kumar ◽  
Rajni Kant ◽  
Hirawati Deval ◽  
Rajeev Singh ◽  
...  
Keyword(s):  
Rural Areas ◽  
Tick Species ◽  
Rhipicephalus Sanguineus ◽  
Ixodid Tick ◽  
Domestic Animals ◽  
Boophilus Microplus ◽  
Ixodid Ticks ◽  
Northern India ◽  
Obligate Intracellular Bacteria ◽  
Hematophagous Arthropods

Abstract Rickettsia and Anaplasma are bacteria that can be transmitted by hematophagous arthropods such as ticks infesting animals in close proximity to humans. The main objective of the present study was to investigate abundance of common tick species infesting domestic animals and presence of Rickettsia and Anaplasma in tick populations. Adult ticks were collected from domestic animals in rural areas and screened by molecular detection of bacterial DNA for these two genera of bacteria. A total of 1,778 adult ixodid tick specimens were collected from 200 cattle, 200 buffaloes, 200 goats, and 40 dogs. The collection consisted of four species of ixodid ticks, Rhipicephalus (Boophilus) microplus (Canestrini) (83.8%), Hyalomma kumari (Sharif) (7.1%), Rhipicephalus sanguineus (Latreille) (6.4%), and Dermacentor auratus (Supino) (2.7%) infesting the domestic animals. The prevalence of all the collected tick species was highest in the month of October. Anaplasma spp. was the most frequently identified bacteria (3.3%) in tested ticks. Of 17 positive tick pools for Anaplasma spp., 14 pools were from ticks infesting cattle, 2 pools of ticks collected from buffalo, and the remaining pool were ticks infesting a goat at the time of collection. Although 1.6% tick pools of R. microplus collected from cattle tested positive for Rickettsia spp., present investigation provides evidence of the most prevalent ixodid ticks infesting domestic animals and the presence of obligate intracellular bacteria, Rickettsia and Anaplasma, in these ticks collected in the Gorakhpur division of Northern India.

scholarly journals Ticks on birds in a savanna (Cerrado) reserve on the outskirts of Uberlândia, Minas Gerais, Brazil

2013 ◽  
Vol 22 (1) ◽  
pp. 46-52 ◽  
Author(s):  
Jamile de Oliveira Pascoal ◽  
Marcus do Prado Amorim ◽  
Maria Marlene Martins ◽  
Celine Melo ◽  
Eurípedes Luciano da Silva Júnior ◽  
...  
Keyword(s):  
Urban Area ◽  
Tick Species ◽  
Tick Infestation ◽  
Rhipicephalus Sanguineus ◽  
Domestic Animals ◽  
Minas Gerais ◽  
Boophilus Microplus ◽  
Amblyomma Cajennense ◽  
Mean Intensity ◽  
Natural Reserve

We report tick infestations on birds, in the environment and on domestic animals in a non-forested phytophysiognomy, the savanna-like Cerradosensu stricto, in a natural reserve on the outskirts of the urban area of Uberlândia, Minas Gerais, Brazil. Overall, 238 birds within 50 species, 15 families and six orders were caught. Passeriformes were the most numerous, with 216 birds (90.75%), among which 22 had ticks (n = 31). Within this order, the prevalence of tick infestation was 10.2%, and the abundance and mean intensity were 0.14 and 1.41, respectively. Only immature ticks of the species Amblyomma nodosum were found on the birds. The tick species found both on animals (Rhipicephalus sanguineus,Rhipicephalus (Boophilus)microplus, Amblyomma cajennense andDermacentor nitens) and in the environment (Amblyomma dubitatum, Rhipicephalus(B.) microplus andAmblyomma cajennense) were as expected. This difference in tick species between the environment and birds possibly occurred because the sampling of the environment was limited to the ground. This study also highlights the importance of the diverse microenvironments used by ticks and hosts in the same area and the complex ecology of bird-tick relationships. Ecological and epidemiological aspects of the findings are discussed.

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

2020 ◽  
Author(s):  
Krishnamoorthi RANGANATHAN ◽  
Govindarajan RENU ◽  
Elango AYYANAR ◽  
Rajamannar VEERAMANOHARAN ◽  
Philip Samuel PAULRAJ
Keyword(s):  
Public Health ◽  
Species Composition ◽  
Tamil Nadu ◽  
South India ◽  
Domestic Animals ◽  
Public Health Importance

scholarly journals Coxiella burnetii is widespread in ticks (Ixodidae) in the Xinjiang border areas of China

2019 ◽  
Author(s):  
Jun Ni ◽  
Hanliang Lin ◽  
Xiaofeng Xu ◽  
Qiaoyun Ren ◽  
Malike Aizezi ◽  
...  
Keyword(s):  
Infection Rate ◽  
Coxiella Burnetii ◽  
Tick Species ◽  
Q Fever ◽  
Rhipicephalus Sanguineus ◽  
Domestic Animals ◽  
High Infection ◽  
Haemaphysalis Punctata ◽  
Border Areas ◽  
Hyalomma Rufipes

Abstract Background The gram-negative Coxiella burnetii bacterium is the pathogen that causes Q fever. The bacterium is transmitted to animals via ticks and can cause infection in domestic animals, wild animals, and humans. As the provincial-level administrative region with the largest land area in China, Xinjiang has many endemic tick species; however, the distribution of C. burnetii in ticks in Xinjiang border areas has not been studied in detail.Results For the current study, 1507 ticks were collected from livestock at 22 sampling sites in ten border regions of the Xinjiang Uygur Autonomous region from 2018 to 2019. C. burnetii was detected in 205/348 (58.91%) Dermacentor nuttalli ; in 110/146 (75.34%) Dermacentor pavlovskyi ; in 66/80 (82.50%) Dermacentor silvarum ; in 15/32 (46.90%) Dermacentor niveus ; in 28/132 (21.21%) Hyalomma rufipes ; in 24/25 (96.00%) Hyalomma anatolicum ; in 219/312 (70.19%) Hyalomma asiaticum ; in 252/338 (74.56%) Rhipicephalus sanguineus ; and in 54/92 (58.70%) Haemaphysalis punctata . Among these samples, C. burnetii was detected in D. pavlovskyi for the first time. The infection rate of R. sanguineus was 74.56% (252/338), which was the highest among the four tick genera sampled, whereas the infection rate of H. anatolicum was 96% (24/25), which was the highest among the nine tick species sampled. A sequence analysis indicated that 63 16S rRNA sequences could be found in four newly established genotypes: CXJ-1 (n = 18), CXJ-2 (n = 33), CXJ-3 (n = 6), and CXJ-4 (n = 6).Conclusions This study indicates that CXJ-2 might represent the main C. burnetii genotype in the ticks in Xinjiang because it was detected in eight of the tick species studied. The high infection rate of C. burnetii detected in the ticks found in domestic animals may indicate a high likelihood of Q fever infection in both domestic animals and humans.

scholarly journals SERO PREVALENCE STUDY OF BRUCELLOSIS IN GOATS IN HAMER AND BENATSEMAY WOREDAS OF SOUTH OMO, ETHIOPIA

2019 ◽  
Vol 7 (8) ◽  
pp. 166-174
Author(s):  
Seifu Lemma ◽  
Abeyenh Leza ◽  
Gimete Gercha ◽  
Alemayeh Radii
Keyword(s):  
Public Health ◽  
Animal Species ◽  
Public Health Problem ◽  
Developed Countries ◽  
Domestic Animals ◽  
Bacterial Disease ◽  
Human Beings ◽  
Public Health Importance ◽  
Important Public Health Problem ◽  
South Omo

Brucellosis is a contagious bacterial disease with worldwide importance and affects a number of animal species and human beings. Although brucellosis in domestic animals has controlled in most developed countries it remains an important public health problem in several parts of the world. But in developing countries brucellosis has both animal and public health importance (Walker, 1999; Radostitset al.,2000; Acha, and Szyfers, 2001; Tsolia et al.,2002).

Potential risk posed by the importation of ticks into the UK on animals: records from the Tick Surveillance Scheme

2017 ◽  
Vol 182 (4) ◽  
pp. 107-107 ◽  
Author(s):  
Kayleigh M Hansford ◽  
Maaike E Pietzsch ◽  
Benjamin Cull ◽  
Emma L Gillingham ◽  
Jolyon M Medlock
Keyword(s):  
Public Health ◽  
Potential Risk ◽  
Tick Species ◽  
Disease Risk ◽  
Rhipicephalus Sanguineus ◽  
Companion Animal ◽  
History Of ◽  
The Uk ◽  
Tick Vectors ◽  
Surveillance Scheme

In order to monitor important tick vectors in the UK, Public Health England’s Tick Surveillance Scheme (TSS) receives specimens from across the country for identification. In recent years, an increasing number of these specimens have been removed from animals with a recent history of travel outside the UK. This paper presents all data collated by the TSS on ticks entering the country on recently travelled or imported animals since surveillance commenced in 2005. Ten different tick species representing six different genera were identified, entering the UK from 15 different countries. Key themes appear to be emerging from the last 10 years of data, including canine travel from Cyprus and Spain being associated with Rhipicephalus sanguineus importation, and canine travel from France being associated with the importation of multiple tick species and canine illness. In addition, more unusual importation routes have been uncovered, such as the importation of Hyalomma lusitanicum on a dog. Some companion animal owners may not be fully aware of the risks associated with ticks, and may not seek advice from a veterinarian before travel or importing a pet. Promoting awareness of ticks and tickborne disease risk during and after travel or animal importation is needed and veterinarians play an importation role in disseminating this information to their clients.

scholarly journals Report on ticks collected in the Southeast and Mid-West regions of Brazil: analyzing the potential transmission of tick-borne pathogens to man

1999 ◽  
Vol 32 (6) ◽  
pp. 613-619 ◽  
Author(s):  
Luiz Tadeu Moraes Figueiredo ◽  
Soraya Jabur Badra ◽  
Luiz Eloy Pereira ◽  
Matias Pablo Juan Szabó
Keyword(s):  
Close Contact ◽  
Spotted Fever ◽  
Rhipicephalus Sanguineus ◽  
Domestic Animals ◽  
Boophilus Microplus ◽  
Amblyomma Cajennense ◽  
Wild Mammals ◽  
Rickettsia Rickettsii ◽  
Boophilus Annulatus ◽  
Hydrochaeris Hydrochaeris

Specimens of ticks were collected in 1993, 1996, 1997, and 1998, mostly from wild and domestic animals in the Southeast and Mid-West regions of Brazil. Nine species of Amblyommidae were identified: Anocentor nitens, Amblyomma cajennense, Amblyomma ovale, Amblyomma fulvum, Amblyomma striatum, Amblyomma rotundatum, Boophilus microplus, Boophilus annulatus, and Rhipicephalus sanguineus. The potential of these tick species as transmitters of pathogens to man was analyzed. A Flaviviridade Flavivirus was isolated from Amblyomma cajennense specimens collected from a sick capybara (Hydrochaeris hydrochaeris). Amblyomma cajennense is the main transmitter of Rickettsia rickettsii (=R. rickettsi), the causative agent of spotted fever in Brazil. Wild mammals, mainly capybaras and deer, infested by ticks and living in close contact with cattle, horses and dogs, offer the risk of transmission of wild zoonosis to these domestic animals and to man.

scholarly journals Studies on the public health importance of infestation of Ostracoda Vargula tsujii (Myodocopa: Cypridinidae) in some marine food fishes off Pamban, Southeast coast of India – A case study

2020 ◽  
Vol 13 (2) ◽  
pp. 273-283
Author(s):  
Jayapraba Shanmugam ◽  
Gopalakrishnan Ayyaru
Keyword(s):  
Public Health ◽  
Tamil Nadu ◽  
Sea Bream ◽  
Small Fish ◽  
Epinephelus Coioides ◽  
Health Issues ◽  
Public Health Importance ◽  
The Public ◽  
Fish Samples ◽  
Marine Food

The present study was the first attempt to investigate the public health importance of infestation of Ostracoda in some marine food fishes in southeast region of Tamil Nadu India during June 2019 to May 2020 by the method of Becker’s measuring utility by a single-response sequential method. Total 540 fishermen belonging to 5 villages from Ramand District were interviewed to understand the public health issues related the infestation of Ostracoda V. tsujii in ten major marine food fishes i.e. Parupeneus indicus, Lutjanus fulviflamma, Priacanthus hamrur (Snapper), Carangoides gymnostethus, Carangoides malabaricus, Carangoides ferdau (Carangids), Cephalopholis sonnerati, Epinephelus coioides (grouper), Lethrinus ornatus and Plectorhinchus gibbosus (sea bream). Fishermen, local whole sale buyers, small fish-stall owners and fish consumers were part of respondents. It was observed that there was no difference at statistically significant level (P < 0.05) between infested and healthy fish samples in terms of nutritional profile like protein, fat, ash, carbohydrates and mineral nutrients level. Based on the feedback and information obtained from respondents in the present study found that no incidence of health issues or risk associated with food fishes infested with Ostracoda Vargula tsujii (local name – Arattlai) or any other true parasites.

scholarly journals Newly discovered viruses

2020 ◽  
pp. 951-957
Author(s):  
Susannah J.A. Froude ◽  
Harriet C. Hughes
Keyword(s):  
Public Health ◽  
Global Public Health ◽  
Emerging Pathogens ◽  
Emerging Viruses ◽  
Public Health Importance ◽  
Viral Pathogens ◽  
New Hosts ◽  
Vector Borne ◽  
Almost All ◽  
Severe Fever

Although humans are affected by an enormous range of microorganisms, almost all newly discovered emerging pathogens are viruses that are often zoonotic or vector-borne. These emerging viruses often have high baseline mutation rates, allowing them to adapt relatively easily to new hosts and enabling them to take advantage of new epidemiological opportunities provided by the changing environment. A range of apparently new human viral pathogens has been reported increasingly in international outbreak information over the last few years. How they will influence global public health remains to be seen. Emerging viruses that might be of particular global public health importance include, respiratory coronaviruses, Zika virus, and severe fever and thrombocytopenia syndrome virus. Other emerging viruses of importance include bocavirus, Bufavirus, PARV4, human parechovirus, Itaya, Heartland, and Bourbon virus. The human pathogenicity of other emerging viruses is less certain.

Newly discovered viruses

2020 ◽  
pp. 951-957
Author(s):  
Susannah J.A. Froude ◽  
Harriet C. Hughes
Keyword(s):  
Public Health ◽  
Global Public Health ◽  
Emerging Pathogens ◽  
Emerging Viruses ◽  
Public Health Importance ◽  
Viral Pathogens ◽  
New Hosts ◽  
Vector Borne ◽  
Almost All ◽  
Severe Fever

Although humans are affected by an enormous range of microorganisms, almost all newly discovered emerging pathogens are viruses that are often zoonotic or vector-borne. These emerging viruses often have high baseline mutation rates, allowing them to adapt relatively easily to new hosts and enabling them to take advantage of new epidemiological opportunities provided by the changing environment. A range of apparently new human viral pathogens has been reported increasingly in international outbreak information over the last few years, most recently SARS-CoV-2 as the cause of the COVID-19 pandemic that started in Wuhan (China) in December 2019 and has now spread worldwide with devastating consequences. In addition to respiratory coronaviruses, emerging viruses that might be of particular global public health importance includeZika virus and severe fever and thrombocytopenia syndrome virus. Other emerging viruses of importance include bocavirus, Bufavirus, PARV4, human parechovirus, Itaya, Heartland, and Bourbon virus. The human pathogenicity of other emerging viruses is less certain.

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