Correlation between the proportion of stained eggs and the number of mites (Dermanyssus gallinae) monitored using a ‘non‐parallel board trap’

The poultry red mite (Dermanyssus gallinae) is a serious problem for the poultry industry worldwide. However, the relationship between the mite population and the damage that they cause is still unclear. In this study, the mite population in poultry houses was examined using an established trap meth...

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Bibliographic Details
Published in:Animal science journal 2017-12, Vol.88 (12), p.2077-2083
Main Authors: Odaka, Makiko, Ogino, Kazumasa, Shikada, Michitaka, Asada, Kenichi, Kasa, Syoujirou, Inoue, Takahiro, Maeda, Ken
Format: Article
Language:English
Subjects:
Animals
Blood
blood‐stained eggs
Chickens
Eggs
Eggs - parasitology
Farms
Female
Host-Parasite Interactions
Humidity
Intensive farming
laying hen
Mite Infestations - prevention & control
Mite Infestations - veterinary
Mites
non‐parallel trap
parasite
Parasite Load - methods
Population studies
Poultry
Poultry Diseases - prevention & control
Poultry farming
Poultry housing
poultry red mite
Seasons
Temperature
Time Factors
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Summary:The poultry red mite (Dermanyssus gallinae) is a serious problem for the poultry industry worldwide. However, the relationship between the mite population and the damage that they cause is still unclear. In this study, the mite population in poultry houses was examined using an established trap method, and the risk of blood‐stained eggs caused by the mites was assessed. Traps were placed once a week outside the egg channels and/or on the floor in two poultry farms in Fukuoka Prefecture, Japan, from April 2012 to July 2014. The numbers of blood‐stained eggs and total eggs were counted at weekly intervals. The results showed that the number of mites increased from April to May, and reached a peak around the beginning of June when the average temperature and humidity were >24°C and 70–90%, respectively. In the segmented model, the correlation between the proportion of blood‐stained eggs and the number of mites or temperature was positive over a threshold. In conclusion, our established trap method is useful for monitoring mites and can be used to predict when poultry farms should be treated to prevent appearance of blood‐stained eggs.
ISSN:1344-3941
1740-0929
DOI:10.1111/asj.12860