Faecal specimens randomly taken from 232 healthy dogs living in the area of Thessaloniki were screened for internal parasites. In 39·2% of the examined dogs excretion of Sarcocystis bovicanis (1·3%), Isospora ohioensis/burrowsi (3·9%), Giardia lamblia (0·8%), Hammondia heydorni (0·4%), Dicrocoelium dendriticum (0·8%) Diplopylidium nolleri (0·4%), Joyeuxiella pasqualei (0·8%), taeniids (0·4%), Toxocara canis (22·4%), Toxascaris leonina (1·3%), Uncinaria stenocephala (3·0%), Trichuris vulpis (2·6%), Spirocerca lupi (0·4%), or Linguatula serrata (0·4%) was detected. The overall rate of infection did not show any significant difference concerning sex or age. T. canis, however, was significantly more often found in the youngest age group (1–3 months).
Infestation with a short-tailed demodectic mite and Demodex canis was diagnosed in both a six-and-a-half-year-old and a four-year-old dog. The clinical picture was compatible with generalised demodicosis complicated by staphylococcal pyoderma (case 1), or localised demodicosis (case 2). In both cases, the short-tailed demodectic mite outnumbered D canis in superficial skin scrapings. The laboratory findings (lymphopenia, eosinopenia, increased serum alkaline phosphatase and alanine aminotransferase activities, diluted urine and proteinuria) and the results of a low dose dexamethasone suppression test were suggestive of underlying hyperadrenocorticism in the first case. Hypothyroidism was considered a possibility in the second case, owing to the sustained bradycardia and the extremely low basal total thyroxine value. Systemic treatment with ivermectin and cephalexin (case 1), or topical application of an amitraz solution in mineral oil, along with sodium levothyroxine replacement therapy (case 2), resulted in a complete resolution of the skin lesions and the disappearance of both types of demodectic mite after two and one and a half months, respectively.
The infection with intestinal protozoa of clinically healthy animals which was as follows:100 cattle (Bos taurus europeus aged 2-5 years), 70 buffaloes (Bubalus bubalis, 2-5 years), 273 sheep (2-5 years), 147 goats (1-5 years), 110 horses (5-25 years), 141 pigs (2 months-4 years), 8 bears (2-30 years), 103 cats (1-7 years) and 291 chickens (35 days-4 years),it was investigated in certain areas of Macedonia. Determination of the prevalence of infection was based on faecal examination. Eight species of intestinal protozoa were identified. The most prevalent protozoa per animal were: Entamoeba spp. in cattle (92%), buffaloes (100%), sheep (70.6%) and goats (56.5%); Balantidium spp. in pigs (68.8%); Buxtonella sulcata in buffaloes (100%); Blastocystis spp. in chickens (63.9%), bears (75%) and buffaloes (100%); Eimeria spp. in horses (54.5%) and buffaloes (100%) and Giardia spp. in cats (20.3%) and buffaloes (100%). The following genera are reported here for the first time in some hosts in Greece: Cryptospporidium in horses, goats and cats, Giardia in buffaloes, sheep, goats, cats and chickens, Blastocystis in horses, buffaloes, sheep, pigs, cats, bears and chickens, Entamoeba in cattle, buffaloes, sheep, goats, pigs, cats, bears and chickens, Buxtonella sulcata in cattle and buffaloes and Eimeria in buffaloes. Furthermore, this appears to be the first report of Blastocystis in horses, sheep, buffaloes and bears, Balantidium in sheep and goats, Entamoeba in buffaloes and bears and Giardia in buffaloes and chickens.
The present study examines the probability of translacteal transmission via colostrum of gastrointestinal nematode infections in baby calves, feeder pigs and puppies. Colostrum samples from dairy cows, sows and bitches were examined for the presence of larvae. The results of the study are as follows: The colostrum of 12 cows out of 342 examined was infected (3,5%) and the larvae identified were Toxocara, vitulorum, Strongyloides sp. And Bunostomum sp. The colostrum of 2 sows out of 125 examined was infected with larvae of Strongyloides sp. (1,6%). The colostrum of 123 bitches out of 217 examined (56,7%) was shown to be positive for Toxocara canis, Ancylostoma sp. and Strongyloides sp.
A male, peruvian, 1.5-years old, guinea pig {Cavia porcellus) was admitted to the Clinic of Companion Animal Medicine with a history of intensively pruritic skin lesions lasting for the past two months. Physical examination disclosed hypotrichosis, erythema, hyperpigmentation, scales, crusts, ulcers and papules in a focal to diffuse pattern on both the dorsal and ventral aspects of the body trunk. Whenever the handling of the animal was attempted, it started vocalizing, cycling and rolling in a frenzy manner. Pruritic papules were also observed on some parts of the glabrous skin of the owner. The diagnosis of Trixacarus caviae mange was based on the observation of the parasite in superficial skin scrapings. The subcutaneous administration of three weekly ivermectin injections, at the dose of 0.4 mg/Kg BW, resulted in the disappearance of the lesions and pruritus within a six-week period.
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