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At least 775 records · Page 43Linked to original sources

PubMed1992

Studies on the infundibular cysts of the uterine tube in camel (Camelus dromedarius).

Two hundred eighteen genital tracts of slaughtered female camels were collected and examined. Infundibular cysts were observed in 35 tracts (16%); these were either unilateral (22 cases) or bilateral (13 cases) all containing fluids of different consistencies. The morphological and histological structures of the cysts were recorded. The bacteriological investigation and physicochemical analysis of cyst contents were carried out. Aeromonas hydrophila was isolated from 68.5% of cases. Rectal palpation and ultrasound technique were compared for the diagnosis of the cysts antemortem.

Animals↗

PubMed1992

Prevalence of gastro-intestinal nematode infection in the dromedary camel (Camelus dromedarius) in the Butana plains, Sudan.

The prevalence and intensity of gastro-intestinal nematode infection in their relation to season and rainfall were investigated from 429 female dromedary camels at Tambul market in the Butana plains (Sudan), during 1985-1986. The investigation revealed a similar seasonal pattern in the prevalence as well as the intensity of egg output. The seasonality is mainly brought about by Haemonchus spp. and Impalaia spp. while Trichostrongylus spp. seem to be present as adults throughout the year. There is a good correlation between high egg counts and rainfall ensuring optimal development of preparasitic stages.

Animals↗

PubMed1992

[Bacteria associated with diarrheic episodes in young camels in Niger].

During diarrhoeic episodes of young camels in Niger, bacteria such as Salmonella enteritidis, E. Coli, Staphylococcus sp., Clostridium perfringens and other bacteria were isolated from stool samples. Bacteria roll in this pathology is discussed, and a treatment is proposed, compared with antibiogram results.

Animals↗

PubMed1992

Monensin poisoning in dromedary camels.

Four female fistulated camels (Camelus dromedarius), 4-5 years of age, were each given two grams of 10% monensin intraruminally daily for six days to study the effect of monensin on the rumen fermentation pattern. Signs of toxicity appeared on the sixth day, and included depression, anorexia, muscular weakness, inability to stand, salivation and regurgitation of ruminal contents. On the eighth day, two animals died. The ruminal contents were replaced in the survivors, but they died on the tenth and eleventh day from the start of the experiment.

Animals↗

PubMed2005

Incidence of Nematodirus species and their differentiation through the infective third stage larvae among Egyptian camels.

Coprological examination on camels (Camelus dromedarius) from different localities in Egypt revealed the presence of Nematodirus eggs in 38 out of 312 (12.18%). The faecal samples positive to Nematodirus eggs were cultured for collection of infective third stage larvae (L3). Details of the general and differential categories of each sample were given. The recovered species were Nematodirus battus, Nematodirus filicollis and Nematodirus spathiger.

Animals↗

PubMedDate not supplied

Comparison of California Mastitis Test (CMT), Somatic Cell Counts (SCC) and bacteriological examinations for detection of camel (Camelus dromedarius) mastitis in Ethiopia.

A total of 956 quarter milk samples from 253 traditionally managed lactating camels were collected aseptically from Negele (Borena Region), Dire Dawa, and Gewane (Afar Region), Ethiopia, according to multi-stage sampling. The quarter milk samples were subjected to California Mastitis Test (CMT), Somatic Cell Counts (SCC) and bacteriological examinations. Five hundred and seventy one (59.7%) quarter milk samples had microorganisms. Of these, 428 (75.0%) had isolates that were identified as major pathogens (MAP) and 143 (25.0%) as minor pathogens (MIP). A positive correlation was found between CMT scores and bacteriological classes (MAP, MIP) (p-value = 0.00). Strong correlation (p-value = 0.00) between CMT scores and SCC was recorded. The differences among the median log SCC of bacteriological classes (MAP, MIP) were not significant (p-value = 0.24). Similarly, the application of the cut-off level of 2.5 x 10(5) ml(-1) indicated less agreement (p-value = 0.32) for bacteriological classes MAP and MIP.

Animals↗

PubMed1991

Anatomical and histological observations on the tongue of one-humped camel, Camelus dromedarius.

The camel has a typically elongated mammalian tongue, which tapers to a dorsally flattened tip. The filiform papillae are mostly of the simple type which are scattered over the dorsum and the lateral edges of the tongue. The fungiform papillae are scattered among the filiform papillae. Circumvallate papillae could be seen on the posterior of the tongue. The dorsum lingue is covered with cornified stratified squamous epithelium and inferior surface with non-cornified squamous epithelium. The tongue is richly innervated as is evidenced by the presence of numerous nerve fibres and ganglion cells at different levels.

Animals↗

PubMedDate not supplied

Experimental infection in mice of Cryptosporidium muris isolated from a camel.

Cryptosporidium muris-like oocysts in 5 g of camel feces were concentrated by the Sheather sugar flotation method, saline-washed, pelleted and reconstituted to an approximate concentration of 2.5 million per ml. One- to 2-microliters inocula were given per os to 25 2- to 20-day-old mice, with 15 contact control litter-mates. The 15- and 20- day inoculates had acid-fast-positive fecal smears by day-12 after inoculation. Necropsies of mice inoculated at 2 and 5 days of age showed colonization only of gastric glands by day-12, and day-27, respectively. Control mice were negative. Identical methods using similar oocysts from cattle produced no evidence of transmission.

Animals↗

PubMed1991

[Note on a method of hepatic biopsy in young camels].

A method of liver biopsy in camels, less than two years old, is described as well as post-operation cares and risks. Using this method, it is possible to sample 100 to 500 mg of fresh tissue in 75% of cases. This percentage may be improved with well trained surgeons.

Animals↗

PubMed1991

Camel (Camelus dromedarius) contagious ecthyma in the Sudan. A case report.

The clinical and pathological features of the contagious ecthyma in camel calves in the Sudan were investigated. The animals were inappetant, emaciated and slightly anaemic. The disease was characterized by skin lesions around the lips and nostrils with occasional involvement of mucocutaneous junctions. The pathology includes vaculoar changes of the epithelial layers. Affected areas were ulcerated, haemorrhagic and with frequent secondary bacterial surinfection. Negative contrast electron microscopy has proven to be an extremely useful procedure for quick differential diagnosis.

Animals↗

PubMed1991

Gross and histologic study of the rostral epidural rete mirabile and the cavernous sinus in one-humped camels.

Gross and histologic features of the rostral epidural rete mirabile (carotid rete) and the cavernous sinus in one-humped camels were studied. It was evident that the branches of the carotid rete share a common tunica adventitia with the veins of the cavernous sinus. Transmission electron microscopy of the rostral epidural rete mirabile and the cavernous sinus revealed gap junctions in endothelial cells lining the walls of the arterial rete branches and veins. The internal elastic lamina of rete branches were fenestrated. Some of these structural features could facilitate countercurrent heat exchange between the rete branches and the venous plexus of the cavernous sinus to regulate brain temperature.

Animals↗

PubMed1990

Note on Onchocerca armillata in the Sudanese camel (C. dromedarius). A histological and anatomo-pathological approach.

Aortic onchocercosis due to O. armillata was diagnosed in 45 (41%) out of 109 Sudanese camels. Although the thoracic aorta was regularly affected, involvement of other vessels such as the abdominal aorta, brachiocephalic, pulmonary and costocervical arteries was not excluded. Gross examination of the affected blood vessels revealed tortuous tunnels of parasitic tracks readily visible in the intimal surface of the vessels. Nodular lesions were more common on the adventitia. Microscopically, the lesions showed irregulary elevated intimal surfaces. The underlying tunica media contained a varying number of encapsulated and partially mineralized parasitic fragments. The inflammatory response varied in intensity and location and consisted of eosinophils, lymphocytes, macrophages and occasional giant cells.

Animals↗

PubMed1990

Structure and histochemistry of the sublingual salivary glands of the one-humped camel (Camelus dromedarius).

Morphometric, histological and histochemical studies were carried out on the sublingual salivary glands of the Arabian camel (Camelus dromedarius). The glands are of the tubulo-acinar type and consist of many lobules that are composed of two types of cells, mucoserous and seromucous. The mucoserous cells form the main secretory units of the gland but seromucous cells are much more seldom and form associated acini. The former cells secrete and elaborate large quantities of neutral mucosubstances, sialomucins and little sulphomucins while only the apical portion of the latter cells shows weak to moderate activity for neutral and acid mucosubstances. The histoenzymological tests employed here detected a considerable activity of alkaline phosphatase, succinic dehydrogenase, aminopeptidase and non-specific esterases, but weak activities of cytochrome oxidase, peroxidase and no activities of triacylglycerol lipase, beta-glucoronidase and amylase. The functional significance of these findings is discussed.

Animals↗

PubMed1990

The acute effects of dexamethasone on some haematological parameters and serum biochemistry in the camel (Camelus dromedarius).

The effects of dexamethasone at different dose regimens on some haematological parameters and serum biochemistry were studied in the camel. Dexamethasone increased the serum concentration of glucose as well as neutrophils and total leukocyte count in the blood. Conversely, the serum concentrations of potassium and phosphorus and lymphocyte count in blood were decreased by dexamethasone treatment. Dexamethasone, however, had no effect on the activities of CPK and gamma-GT, on the serum concentrations of creatinine, BUN, total bilirubin, cholesterol and Na and on PCV, Hb, ESR, MCV and MCHC values.

Animals↗

PubMed1990

Acute monensin toxicosis in Stone sheep (Ovis dalli stonei), blesbok (Damaliscus dorcus phillipsi), and a Bactrian camel (Camelus bactrianus).

Accidental monensin toxicosis developed in 5 Stone sheep (Ovis dalli stonei), 5 blesbok (Damaliscus dorcas phillipsi), and a Bactrian camel (Camelus bactrianus) at the St Louis Zoological Park. Eight animals died acutely and 1 was euthanatized because of chronic hind limb paresis. All affected animals had clinicopathologic evidence of severe muscle necrosis, serum electrolyte disturbances, and hemoconcentration.

Animal Feed↗

PubMed1990

Acute toxoplasmosis in a camel.

A 6-year-old camel was examined because of a history of dyspnea of unknown duration. Approximately 24 L of turbid fluid was drained from the pleural cavity. Numerous Toxoplasma gondii tachyzoites were found in macrophages in smears of the pleural fluid. High titers (1:20,000) of T gondii antibodies were found in pleural fluid.

Abortion, Veterinary↗

PubMed1989

[Properties of an orthopoxvirus strain isolated from camels in Niger].

The VD47 viral strain, isolated from camels (Camelus dromedarius) in Niger possesses camelpoxvirus morphology and characteristic properties: heat sensitive, ether resistant, chloroform and IDU sensitive, with ceiling-temperature 38.5 degrees C. It induces formation of syncytial and retracted cell foci with hemadsorption test positive. No pathogen for mice and very mildly for rabbits, this virus is neutralizable by anti-vaccine serum. The question of camelpoxvirus and camelparapoxvirus pathogenicity for human is discussed by the authors.

Animals↗

PubMed1989

Fine structure of the camel neutrophilic granulocytes with special references to its function.

This study is directed at the population of neutrophilic granulocytes in the peripheral circulating blood of the one-humped camel. The detailed fine structure is described and a number of cellular parameters are determined. Particular attention was given to the characteristics of the cytoplasmic granules of this cell type. The functional roles of these intracellular granules are discussed.

Animals↗