Frontiers in veterinary science · 2026
Prevalence of equine lungworm (Dictyocaulus arnfieldi) infection and associated risk factors in Egypt.
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Gattan Hattan S, Marzok Mohamed, Alruhaili Mohammed H, Ismail Hesham, Almubarak Adel I, Selim Abdelfattah
Аннотация
INTRODUCTION: Dictyocaulus arnfieldi infection is a common parasitic respiratory disease of equines that can adversely affect animal health, welfare, and productivity. However, epidemiological information on this infection remains limited in many regions of Egypt. This study aimed to determine the prevalence of D. arnfieldi infection and identify associated risk factors among equines in three Egyptian governorates.
METHODS: A cross-sectional study was conducted on 415 equines, including 150 donkeys, 55 mules, and 210 horses. Animals were examined for D. arnfieldi infection, and data on species, age, body condition, and deworming history were collected. Associations between infection and potential risk factors were evaluated using appropriate statistical analyses.
RESULTS: The overall prevalence of D. arnfieldi infection was 41% (170/415). Donkeys had the highest prevalence (51.3%), whereas mules showed the lowest prevalence (20%). Significant associations (p < 0.05) were observed between infection and age, body condition, and deworming history. Equines older than 8 years exhibited the highest prevalence (54.7%), followed by animals with poor body condition (52.4%) and those with no history of deworming (54.6%).
DISCUSSION: The high prevalence of D. arnfieldi, particularly among donkeys, confirms their important role as the primary reservoir host, contributing to sustained transmission among equine populations. These findings highlight the need for targeted parasite control strategies, including routine deworming, improved veterinary care, and better management practices, especially for donkeys, to reduce lungworm infection and improve equine health and productivity.
METHODS: A cross-sectional study was conducted on 415 equines, including 150 donkeys, 55 mules, and 210 horses. Animals were examined for D. arnfieldi infection, and data on species, age, body condition, and deworming history were collected. Associations between infection and potential risk factors were evaluated using appropriate statistical analyses.
RESULTS: The overall prevalence of D. arnfieldi infection was 41% (170/415). Donkeys had the highest prevalence (51.3%), whereas mules showed the lowest prevalence (20%). Significant associations (p < 0.05) were observed between infection and age, body condition, and deworming history. Equines older than 8 years exhibited the highest prevalence (54.7%), followed by animals with poor body condition (52.4%) and those with no history of deworming (54.6%).
DISCUSSION: The high prevalence of D. arnfieldi, particularly among donkeys, confirms their important role as the primary reservoir host, contributing to sustained transmission among equine populations. These findings highlight the need for targeted parasite control strategies, including routine deworming, improved veterinary care, and better management practices, especially for donkeys, to reduce lungworm infection and improve equine health and productivity.