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At least 217 records · Page 12Linked to original sources
PubMed1993

Coronary arterial anatomy of the one-humped camel (Camelus dromedarius).

The detailed coronary arterial anatomy of seven camels was studied and compared with that of horses and cattle. In camels, there is a bilateral coronary supply, the right coronary artery being the larger. The left coronary artery follows the same pattern as that in horses. The ramus collateralis proximalis in camels separates off some distance away from the origin of the ramus interventricularis paraconalis, as in horses, whereas it separates of very quickly in cattle. The ramus collateralis distalis has two branches in camels, whereas the left distal ventriculi ramus does not branch. The ramus angularis is also absent but the left distal atrii ramus is present.

Animals↗
PubMed1977

Studies on the digestion of carbohydrates in the camel (Camelus dromedarius).

Camels with cannulas in the small intestine were used to study the "digestive-absorptive" capacities of the small intestine. Solutions of different carbohydrates were infused through the cannulas and the responses in blood glucose levels were measured. Monosaccharides were readily absorbed from the camel small intestine. The pattern of disaccharide absorption indicated that there was high lactase activity and low maltase and sucrase activity, in the camel small intestinal mucosa.

Animals↗
PubMed1985

Mastitis in Camelus dromedarius in Saudi Arabia.

The correlation between camels' milk samples collected from abnormal inflamed udders and samples positive in the California Mastitis Test (CMT) was +0.803 (P less than 0.01). The bacterial count ranges of milk samples differed significantly (P less than 0.05) for those with a negative CMT and those with a positive CMT. Infection with many but not all bacterial species was associated with positive CMT results. The highest percentage of camel milk samples was included in the bacterial count range of 3.0 x 10(2) to 3.0 x 10(3) cfu/ml rather than in the greater than 3.0 x 10(3) cfu/ml range for most of the bacterial species. The most predominant bacterial isolates were Micrococcus spp., Staphylococcus aureus, Streptococcus spp. and Corynebacterium spp. followed by eight other flora. Chloramphenicol was the most effective antimicrobial agent of six tested against 118 bacterial isolates. Preliminary observations are made on chemotherapy of mastitis cases in camels.

Animals↗
PubMed1992

Productivity and health of camels (Camelus dromedarius) in Somalia: associations with trypanosomosis and brucellosis.

In Somalia, one of the world's largest dromedary populations of about 5.3 million animals are kept by nomadic pastoralists under traditional management. Interest in the development potential of camel herds in the semi-arid areas of central Somalia initiated an investigation to determine the productivity of herds, their major diseases and likely associations among these parameters. Using a systems approach, data were collected for herd production parameters, environmental factors, management and production systems, and health variables. One thousand and thirty nine camels in 33 herds were studied in the central regions of Somalia. Trypanosoma evansi prevalence ranged from 1.7% in blood-smears to 56.4% using enzyme-linked immunosorbent micro-assay (microELISA). Seroprevalence for brucellosis was determined as 1.9% by the standard agglutination test (SAT) and 0.3% by the complement fixation test (CFT). Using multiple regression, 15% of the total variation of the general fertility rate was explained by the results of the microhaematocrit centrifugation technique (MHCT) and the microELISA for T. evansi, CFT results for brucellosis, herdsize, and young stock death rate. Among herd production variables, herd size differed significantly for different management units. Young stock death rates, as well as general fertility rates varied in the ecological subzones with a marked effect in the zones labeled "Inland". Various other associations were noted among demographic, husbandry and disease variables. The importance of trypanosomosis and brucellosis to the productivity of herds and measures to control their limiting effects on production were discussed.

Animal Husbandry↗
PubMed2006

Seroprevalence of Neospora caninum and Toxoplasma gondii in camels (Camelus dromedarius) in Mashhad, Iran.

One hundred twenty camels were blood-sampled and used to evaluate serological screening for Neospora caninum and Toxoplasma gondii infection by indirect fluorescent antibody test (IFAT) in Mashhad, Iran, during years 2004-2005. Of the 120 camels, antibodies to N. caninum were found in three in titers of 1:20 and in four in titers of 1:40 using whole N. caninum tachyzoites as IFAT slide (VMRD Inc., Pullman, WA 99163, USA). Antibodies to T. gondii were found in three camels in titers 1:20 and in two camels in titers 1:40 using whole T. gondii tachyzoites as IFAT slide (BIOGENE, Iran).

Animals↗
PubMedDate not supplied

Heterogeneous nuclear transfer embryos reconstructed by bovine oocytes and camel (Camelus bactrianus) skin fibroblasts and their subsequent development.

This study reconstructed heterogeneous embryos using camel skin fibroblast cells as donor karyoplasts and the bovine oocytes as recipient cytoplasts to investigate the reprogramming of camel somatic cell nuclei in bovine oocyte cytoplasm and the developmental potential of the reconstructed embryos. Serum-starved skin fibroblast cells, obtained from adult camel, were electrically fused into enucleated bovine metaphase II (MII) oocytes that were matured in vitro. The fused eggs were activated by Inomycin with 2 mM/ml 6-dimethylaminopurine. The activated reconstructed embryos were cocultured with bovine cumulus cells in synthetic oviduct fluid supplemented with amino acid (SOFaa) and 10% fetal calf serum for 168 h. Results showed that 53% of the injected oocytes were successfully fused, 34% of the fused eggs underwent the first egg cleavage, and 100% of them developed to four- or 16-cell embryo stages. The first completed cleavage of xenonuclear transfer camel embryos occurred between 22 and 48 h following activation. This study demonstrated that the reconstructed embryos underwent the first embryonic division and that the reprogramming of camel fibroblast nuclei can be initiated in enucleated bovine MII oocytes.

Animals↗
PubMedDate not supplied

The use of milk progesterone analysis to monitor reproductive activity in the camel (Camelus dromedarius).

Milk progesterone profiles were used to monitor the ovarian changes during the post-partum period of five she-camels. Milk samples were collected daily for 60 days from four suckling camels (1-4) and from one animal whose calf died on day 3. Progesterone was determined using the Ovucheck Bovine progesterone kits. The first increase of progesterone level in the five animals occurred on days 28, 26, 21, 24 and 20 respectively. At least two progesterone peaks of 6 +/- 2 SD days' duration occurred during the 60 days. An early one day peak was also noticed in three animals.

Animals↗
PubMedDate not supplied

Comparative pharmacokinetics of netobimin and albendazole in the one-humped camel (Camelus dromedarius).

Netobimin and albendazole were administered orally to camels (n = 5 + 5) at molecular equivalent dosages, 15.8 and 10.0 mg/kg body wt, respectively. The plasma profiles of the two main metabolites were investigated for 54 h by high performance liquid chromatography. The metabolism and the disposition of both anthelmintics in camels were similar to sheep rather than to cattle. These results indicate that netobimin and albendazole are likely to be excellent anthelmintics for camels.

Albendazole↗
PubMedDate not supplied

An abattoir survey of female genital disorders of imported camels (Camelus dromedarius) in Kano, Nigeria.

An abattoir survey of 850 female genital organs of imported camels was conducted at the Kano abattoir between October 1987 and April 1988. An incidence of 4.49% of disorders was recorded, including follicular cystic degeneration (0.12%), ovarian haemorrhagic cysts (0.47%), pyometra (0.35%), early embryonic mortality (0.12%), endometrial haemorrhages (0.47%), fetal maceration (0.12%), abscess (0.24%), vulvar tick infestation (1.77%) and cervical hypoplasia (0.12%).

Abattoirs↗