Journal
VETERINARY RESEARCH COMMUNICATIONS
Volume 45, Issue 2-3, Pages 159-162Publisher
SPRINGER
DOI: 10.1007/s11259-021-09793-4
Keywords
Acaridae; Cage system; Cutaneous symptoms; Itching; Mites
Categories
Funding
- Universidade do Vale do Taquari-Univates
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The study describes the damages and symptoms of T. putrescentiae infestations on commercial laying hens, including alopecia and dermatitis appearing starting at 40 weeks old. The presence of this species on hens may be related to the accumulation of food and poultry litter, requiring constant sanitary care and monitoring in order to prevent outbreaks of this mite in poultry houses.
Tyrophagus putrescentiae (Schrank) (Acaridae) is one of the most allergenic mite species worldwide, and it particularly infests household environments, animal feed factories, and food factories. It has been the aim of several studies recently in the healthcare area due to its allergenic potential. However, there had been no records of this species attacking laying birds until this report. This is the first record of adverse reactions in animals triggered by infestations of this species. Therefore, the present study aims at describing the damages and symptomatology of T. putrescentiae infestations on commercial laying hens. Alopecia and dermatitis were symptoms exacerbated by T. putrescentiae infestation starting at 40 weeks old. The presence of this species on hens, as observed in the present study, might be directly related to the accumulation of food and poultry litter on these birds, in their cages, or in the vicinities. Hence, the results might be related to their feeding behavior, which consists of continuous supply of animal feed in these management systems. The present study provides an unprecedented record that reveals the importance and potential for emergency pest status of T. putrescentiae in the poultry industry. Its infestations in poultry houses probably required constant sanitary care and monitoring are required in order to prevent outbreaks of this mite.
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