On Ancylostoma braziliense (de Faria, 1910) and its Morphological Differentiation from <i>A. ceylanicum</i>

Biocca, E.

doi:10.1017/s0022149x00018903

Cited by 30 publications

(20 citation statements)

References 9 publications

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“…Stewart (1994) discounted the importance of lateral rays in favour of the shape of the lateral lobes, and the structure of the teeth on the buccal cutting plates. The study considered the arrangement of the lateral rays to be dependent on the orientation of the specimen, whereas in agreement with Biocca (1951), Yoshida et al (1968) and Yoshida (1971), we found this character to be highly consistent and distinctive. The structure of the teeth on the cutting plates on the other hand provided illdefined and inconsistent characters.…”

Section: Discussionsupporting

confidence: 80%

“…ceylanicum Looss, 1911 have been a source of confusion for many years. During most of the first half of the 20th century, A. ceylanicum was regarded as a synonym of A. braziliense (Skrjabin et al 1951 ;Yorke and Maplestone, 1926), and often referred to as A. braziliense var ceylanicum (Wijers and Smit, 1966) until Biocca (1951) provided morphological evidence that they were different. Nevertheless, several authors continued to regard them as synonymous (Rep, 1963).…”

Section: Introductionmentioning

confidence: 99%

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A case of mistaken identity – reappraisal of the species of canid and felid hookworms (Ancylostoma) present in Australia and India

et al. 2006

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This study serves to clarify the current status of canid and felid Ancylostoma species present in Australia. The morphological identification of A. ceylanicum from cats for the first time in Townsville, Australia, appears to be in error, together with the genetic markers provided for the species. Morphological and genetic data presented herein provide strong evidence that the hookworms from cats in Towsville are not A. ceylanicum as previously identified (i.e. the first report of this species in Australia), but are A. braziliense. Therefore the subsequent genetic markers established for A. ceylanicum in subsequent molecular studies based on these Townsville specimens should also be attributed to A. braziliense. Based on this information, a study of canine hookworm species present in northern India is also in error and it is apparent that the hookworms found in this region are those of A. ceylanicum. The distribution of A. braziliense and A. ceylanicum in the Americas and Asia Pacific region is discussed together with the importance of combining parasite morphology with genetic data for parasite diagnosis in epidemiological studies.

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Section: Discussionsupporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

A case of mistaken identity – reappraisal of the species of canid and felid hookworms (Ancylostoma) present in Australia and India

et al. 2006

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“…Identification was based on the structure of the teeth in the cutting plates, and the structure of the male bursal rays after Biocca (1951).…”

Section: Morphological Identification Of Specimens From the Queenslanmentioning

confidence: 99%

“…A. braziliense has only been identified in a handful of studies and has been reported in dogs and cats in north Queensland (Heydon, 1929;Seddon, 1958;Heydon and Bearup, 1963;Setasuban and Waddell, 1973;Taveros, 1990;Stewart, 1994) with a single occurrence in a dog from Sydney (Kelly and Ng, 1975). Specimens recovered by Heydon (1929) from cats in Townsville were identified as A. braziliense prior to the morphological criteria established by Biocca (1951), and hence need to be reexamined.…”

Section: Introductionmentioning

confidence: 99%

The veterinary and public health significance of hookworm in dogs and cats in Australia and the status of A. ceylanicum

Palmer

Traub

Robertson

et al. 2007

Veterinary Parasitology

104

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There is no current information regarding the prevalence of hookworm in Australian dogs and cats and based on the results of studies conducted over 20 years ago, where high prevalences of helminths were recorded, the prophylactic administration of broad spectrum anthelmintics has been advocated.During this study, faecal samples were collected from dogs (n = 1391) and cats (n = 1027) across Australia. Samples were examined by microscopy and information regarding the demographics of each animal, and the management practices they experienced were recorded. A highly sensitive and species-specific PCR-RFLP technique was utilized to differentiate the various hookworm species which can infect dogs and cats directly from eggs in faeces. The prevalence of hookworm in dogs and cats was found to be 6.9% and 1.4%, respectively. Ancylostoma ceylanicum was detected for the first time in Australia in 10.9% of the dogs found positive for hookworm. Significantly, A. ceylanicum is capable of causing a patent infection in humans. After adjusting for other factors with multiple logistic regression, dogs from refuges, dogs originating from a tropical climatic zone, dogs aged 1 year or less, and those dogs which had not received anthelmintics were significantly more likely to be parasitized. Only univariate analysis was conducted for the cats as there were too few samples positive for hookworm. Cats were more likely to be infected with hookworm if they were from refuges, originated from a tropical climatic zone, and had not received treatment with anthelmintics.The results of this study demonstrates the importance of having current information regarding the prevalence of parasites of dogs and cats and the risk factors associated with infection, as well as the need to reassess the veterinary and public health concerns regarding hookworm infection and its control, which are currently based on out-dated information.

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“…The worms were then picked out for counting and identification. The parasites were identified according to the criteria given by Soulsby (1968) and Biocca (1951).…”

Section: Methodsmentioning

confidence: 99%

Metazoan parasites of dogs in sabah, malaysia

Macadam¹,

Gudan²,

Timbs³

et al. 1984

Trop Anim Health Prod

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The parasites which occurred most frequently in 175 owned or stray dogs in Sabah were Ancylostoma spp. present in 68% of the animals. Dirofilaria immitis occurred in 70% of the adult dogs but neither D. immitis nor Spirocerca lupi were present in puppies under four months of age. The latter attained a prevalence of 30% in the adults. In contrast Toxocara canis occurred in 81% of the puppies but infrequently in older dogs. Dipylidium caninum was moderately prevalent (15 to 25%) in dogs of all ages. Ticks were the most common arthropod parasite being present on 26% of the dogs and were mainly Rhipicephalus sanguineus. Demodectic and sarcoptic mange were confirmed and fleas and lice were also recovered.

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On Ancylostoma braziliense (de Faria, 1910) and its Morphological Differentiation from A. ceylanicum

Cited by 30 publications

References 9 publications

A case of mistaken identity – reappraisal of the species of canid and felid hookworms (Ancylostoma) present in Australia and India

A case of mistaken identity – reappraisal of the species of canid and felid hookworms (Ancylostoma) present in Australia and India

The veterinary and public health significance of hookworm in dogs and cats in Australia and the status of A. ceylanicum

Metazoan parasites of dogs in sabah, malaysia

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