Bill impaction in a group of captive Caribbean flamingos (Phoenicopterus ruber ruber).     

Sven Hammer  Simon Jensen  Raffy Borjal  Marcus Clauss 《Journal of zoo and wildlife medicine》2007,38(3):465-470

Flamingos are filter feeders that only rarely ingest larger food items. Their bill anatomy is adapted to the suction, filtration, and ejection of a fluid medium. This case report documents a rare case of bill impaction in a group of Caribbean flamingos (Phoenicopterus ruber) that were kept in a mixed exhibit together with roseate spoonbills (Platalea ajaja) and scarlet ibis (Eudocimus ruber). The latter species received fatty minced meat as part of their diet, which was also accessible to the flamingos. Weakness and poor body condition of one flamingo were noted. On clinical examination, the animal was emaciated, hypoglycemic, and showed a severe impaction of the bill with a mixture of lard, mud, and sand. This mixture had compressed the tongue and eventually had most likely prevented further food intake. In five additional flamingos, a bulging of the gular area, similar to the extension of this area during the tongue-retraction stage of the feeding cycle, was noted and interpreted as a sign of tongue displacement by similar masses in their bills. All animals were caught and the masses removed. All animals resumed food intake immediately, and the emaciated animal rapidly improved in condition. Food presentation was changed so that the trays for the other species were no longer accessible to the flamingos, and no similar problems have been observed since that time.  相似文献   

Ocular melanosis in the Cairn Terrier: clinical description and investigation of mode of inheritance     

Simon M. Petersen-Jones  Janice Forcier  A. Lexi Mentzer 《Veterinary ophthalmology》2007,10(S1):63-69

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The viability ofCampylobacter jenuni on refrigerated chicken drumsticks     

K. Yogasundram  Simon M. Shane 《Veterinary research communications》1986,10(1):479-486

Radappertized chicken drumsticks were experimentally contaminated with suspensions ofCampylobacter jejuni in two trials. Qualitative analysis on drumsticks with an initial level of contamination of 4.8×10³ CFU/cm² showed that viability was retained for at least 10 days of storage at either 9° or –12°C.In a second quantitative trial, the level of contamination declined from 9.9×10² CFU/cm² to 4.5×10¹ CFU/cm² after 7 days at –20°C. Thereafter,C. jejuni persisted at levels ranging from 1.8×10¹ to 0.2×10¹ CFU/cm² through the 26th week of storage. Drumsticks held at 4°C showed a significant decline in count from 9.9×10² CFU/cm² to 1.8×10² CFU/cm² on day 7.It is concluded that the viability ofC. jejuni on chicken parts is maintained under both refrigerated and freezing conditions which approximate commercial storage. This is of significance to the meat industry and consumers.  相似文献   

Toxic elements in the sex organs of the cow and their relationship to fertility     

E Kudlác  I Simoník 《DTW. Deutsche tier?rztliche Wochenschrift》1990,97(10):396-398

The content of heavy metals (Cd, Hg, Pb, Cr, Cu and Zn) has been determined by atomic absorption spectrophotometry in parts of genital organs of cows with and without reproductive disorders, in blood, in placenta, in colostrum, and in the calf blood. The samples were collected in an industrially polluted area and in a relatively non-polluted area. It has been proven in the group of 99 cows that the biological quality of the oestrous cervical mucus is also influenced by toxic elements. The best conception rate after the artificial insemination (80.0%) has been found in cows with the cervical mucus without spermiotoxic properties. The genital organs of 49 cows culled because of reproductive disorders were examined. No significant differences in the content of heavy metals have been found in the separate parts of genital organs. There were also no differences between the cows with and without reproductive disorders. Toxic elements in blood have been found in cows after parturition and in newborn calves both in the polluted and the non-polluted areas. However, significant differences (p less than 0.01) were determined only in the content of Cd and Zn. The average content of all determined toxic elements in the samples of placenta in pluriparous and primiparous cows from the polluted and non-polluted areas was approximately at the same level. The content of Zn was 4.3 times higher than the hygienic standard in the colostrum of cows from the polluted area. The content of Zn exceeded the hygienic standard also in the non-polluted area, and the content of Cd and Hg was close to the hygienic standard there.  相似文献   

In vitro study of bidirectional glycine transport in porcine small intestine     

H Boldizsár  J Laklia  F Simon 《Acta veterinaria Hungarica》1985,33(1-2):59-73

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Perinatal piglets under sublethal concentrations of atmospheric carbon monoxide     

G L Morris  S E Curtis  J Simon 《Journal of animal science》1985,61(5):1070-1079

Perinatal exposure to atmospheric carbon monoxide at sublethal concentrations affected neonatal piglets negatively. Low total hemoglobin concentration and oxyhemoglobin saturation ratio were present at birth in piglets farrowed by gilts that had been exposed to carbon monoxide at 250 ppm from gestation d 109 on, but stillbirth rate was only 4.8%. Carboxyhemoglobin saturation ratio increased from .0 to 19.8 and 22.4% as carbon monoxide concentration rose from background (less than 5 ppm) to 200 and 250 ppm. Carbon monoxide affected neonatal piglets' behavior. Piglets exposed to atmospheric carbon monoxide at 250 ppm perinatally took longer to nurse for the first time than did counterparts under background or 200-ppm concentrations. Those under carbon monoxide at 250 ppm had compromised performance in behavior tests that measured a piglet's ability to orient itself in, maneuver in and investigate its environment, respectively.  相似文献   

Poultry diseases and meat hygiene—A color atlas : Drago C. Herenda and Don A. Franco. Iowa State University Press, Ames, IA, 1996, 366 pp., $99.95, ISBN 0-8138-2463-X     

Simon Shane 《Preventive veterinary medicine》1997,31(3-4):287-289

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Design and preliminary experience of a transportable equine operating theatre     

Christopher M. Riggs  Simon J. Riggs  TY Cheung  Frankie Tsang  Lachlan Oldaker 《Equine veterinary journal》2022,54(2):438-443

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Cytotoxic pentacyclic triterpenes from Combretum nigricans     

Simon G  Dewelle J  Nacoulma O  Guissou P  Kiss R  Daloze D  Braekman JC 《Fitoterapia》2003,74(4):339-344

A new pentacyclic triterpene, 11alpha-acetoxy-20,24-epoxy-25-hydroxy-dammar-3-one (1), has been isolated from the African tree Combretum nigricans, together with the known corresponding diol, 20,24-epoxy-11alpha, 25-dihydroxy-dammar-3-one (2). They are responsible, at least in part, for the cytotoxic activity of the methanolic extract of the plant.  相似文献   

Tracking leaf area index and coefficient of light extinction over the harvesting cycle of black wattle     

Alexandre Behling  Carlos Roberto Sanquetta  Ana Paula Dalla Corte  Sylvio Péllico Netto  Aurélio Lourenço Rodrigues  Bráulio Otomar Caron  Augusto Arlindo Simon 《林业研究》2016,27(6):1211-1217

The amount of photosynthetic radiation intercepted by a crop is a function of the incident solar radiation on the plants, the leaf area index (L _AI), and the light extinction coefficient (k). We quantified L _AI and k in stands of black wattle (Acacia mearnsii De Wild.) over a 7-year growth cycle at two locations in the state of Rio Grande do Sul, Brazil. Our study was conducted in commercial stands in agroecological regions with high densities of black wattle plantations. L _AI was calculated as the ratio between the leaf area of a tree and its planting space, and k was derived from Beer’s law. L _AI depends on the planting site and stand age. Between the two sites, the L _AI was similar over time, the amount of variation differed. Values of k depended only on stand age, with the highest average observed for stands up to 5 years old. The trend of k during the plantation cycle was inversely proportional to L _AI and was correlated with L _AI, leaf area, leaf dry mass, canopy volume, height, branches dry mass, total dry mass, and crown diameter.  相似文献