Frequency of Besnoitia besnoiti and Neospora caninum antibodies in cattle and small ruminants from greater Cairo and Beni Suef governorates, Egypt.

Fereig, Ragab M; Salama, Dina B; Salem, Fatma K; Rouby, Sherin R; Shaapan, Raafat M; Draz, Sara; Elsawy, Bassma S M; Elgioushy, Magdy M; Altwaim, Sarah A; Aboelhadid, Shawky M; Frey, Caroline F. (2024). Frequency of Besnoitia besnoiti and Neospora caninum antibodies in cattle and small ruminants from greater Cairo and Beni Suef governorates, Egypt. Veterinary parasitology: Regional studies and reports, 53 Elsevier 10.1016/j.vprsr.2024.101078

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Livestock industry is a pivotal sector for providing food, work places and monetary support for Egyptian people. Besnoitia besnoiti and Neospora caninum are protozoan parasites that are responsible for significant economic losses in ruminants, particularly in cattle. Besnoitia besnoiti can cause fertility problems and a general loss in productivity, while N. caninum is a major cause of abortion and neonatal abnormalities in infected animals. There is little information on the existence of these protozoa in Egypt, thus we conducted this study to reveal the current situation in cattle (n = 264), sheep (n = 151), and goats (n = 25). Serum samples were collected from governorates of Cairo, Giza, and Beni Suef, representing the most densely populated regions in Egypt. Using commercial ELISAs, an overall estimation among all tested animals (n = 440) revealed 7.7%, 13.2%, and 0.9% as seropositive rates for B. besnoiti, N. caninum, and mixed infection, respectively. Animal species (cattle vs sheep vs goat) and age of cattle (less than vs >1 year old) were analyzed as risk factors for infection. Regarding B. besnoiti, the seroprevalence was significantly higher in cattle than in sheep and goats and in adult cattle than calves. For N. caninum infection, no significant differences were recorded, although the seropositive rates were higher in cattle, and in adult cattle. This study provides the first seroprevalence data for B. besnoiti in all surveyed animals in the regions included, and in sheep and goats from Egypt, and supports the current knowledge for the occurrence of N. caninum in Egypt.

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