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Eugenol was investigated for the treatment of Haemoproteus columbae ( H. columbae ) infected squabs (young domestic pigeons, Columba domestica ). Thirty naturally-infected squabs were divided into three groups of 10 each. One group was treated with Eugenol, while the positive and negative control groups were administered buparvaquone (Butalex®) and distilled water, respectively. The number of infected red blood cells (RBCs) was calculated in all groups before and after treatment at 4-day intervals for 16 days. The results showed a significant therapeutic effect of Eugenol, with a progressive decrease in the number of infected RBCs from 89.20 ± 2.11 before treatment to 0.90 ± 0.31 at the end of treatment ( P ≤0.05). Butalex® was able to suppress the number of infected RBCs from 93.70 ± 1.72 before treatment to 0.90 ± 0.35 at the end of the experiment ( P ≤0.05). Eugenol showed therapeutic effects against H. columbae and may be regarded as a candidate for further studies to develop new drugs against blood parasites, in both animals and humans., (© 2019 The Author(s).)

Serratospiculum species were diagnosed in 1360 of 7200 falcons examined over a period from September 2003 to September 2008. The incidence of serratospiculosis was higher in saker falcons (Falco cherrug) and peregrine falcons (Falco peregrinus). Serratospiculosis was diagnosed singly in 467 falcons, and in combination with other internal parasites in 893 falcons. Of the falcons diagnosed with only serratospiculosis, 286 showed no clinical signs and 181 showed mild to moderate clinical signs, including dyspnoea. In 126 of the symptomatic falcons, other signs were reported that were difficult to detect on clinical examination. These included inappetence, unsatisfactory weight gain and rapid exhaustion. Fenbendazole at 30 mg/kg bodyweight orally for five to eight days was effective in eliminating eggs and larvae in faeces. No side effects were noticed during or after fenbendazole treatment.