Healthy People 2010--new opportunities for veterinary medicine in the 21st century     

Hendrix CM  McClelland CL  Kahn KL  Thompson I  Pence PA 《Journal of the American Veterinary Medical Association》2002,221(7):951-957

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Spatial and temporal distribution of geminiviruses in leafhoppers of the genus cicadulina monitored by conventional and quantitative polymerase chain reaction     

Lett JM  Granier M  Hippolyte I  Grondin M  Royer M  Blanc S  Reynaud B  Peterschmitt M 《Phytopathology》2002,92(1):65-74

ABSTRACT Spatial and temporal distribution of Maize streak virus (MSV, family Geminiviridae, genus Mastrevirus) was monitored in the vector species Cicadulina mbila and the nonvector species C. china? using conventional and real-time quantitative polymerase chain reaction. Sustained feeding on MSV-infected plants showed that virus accumulation reaches a maximum in C. china?, but not in C. mbila. After a 3-day acquisition access feeding period (AAP), MSV was detected in the gut, the hemolymph, and the head of C. mbila, but only in the gut of C. china?. Similarly, Digitaria streak virus (genus Mastrevirus), which is not transmitted by either of the two species, was only detected in the gut. MSV was detected in the hemolymph of C. mbila 3 h after the beginning of the AAP. Although viral DNA progressively decreases in the vector and nonvector species after a 3-day AAP, MSV DNA remained stable in the salivary glands of C. mbila.  相似文献   

Consumer perception versus scientific evidence of farmed and wild fish: exploratory insights from Belgium   总被引：2，自引：2，他引：0  

Wim Verbeke  Isabelle Sioen  Karen Brunsø  Stefaan De Henauw  John Van Camp 《Aquaculture International》2007,15(2):121-136

The increasing number of marketable fish being supplied from aquaculture is a response to the increasing demand for healthy food and is filling the gap left by depleting natural fish stocks. Little is known about the awareness and perception of the consumer in terms of farmed fish versus fish from capture fisheries. The consumer's subjective point of view is of overriding importance for the production system and product acceptance as well as for future market success. In this paper consumer perception in Belgium is explored and compared against scientific evidence of farmed versus wild fish. Primary data were collected through a consumer survey (April 2003) and focus group discussions (May 2004) with Belgian consumers. The majority of the consumer sample reported no perceived differences between farmed versus wild fish. However, mean perception scores were slightly in favour of wild fish on the attributes taste, health and nutritious value, in particular among consumers aged 55 years and older. The availability of farmed fish was perceived to be better than that of wild fish, while the consumer's perception of safety did not differ between farmed and wild fish. The focus group discussions indicated that consumers’ opinions and beliefs about farmed fish are mainly based on emotion and image transfer from intensive terrestrial livestock production rather than on awareness and factual knowledge of aquaculture.

John Van CampEmail:

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Changes in fatty acid and sterol composition during oogenesis in the pearl oyster Pinctada margaritifera     

Isabelle Vahirua‐Lechat  Frédéric Laure  Jean René LeCoz  Jean Pierre Bianchini  Mereani Bellais  Gilles Le Moullac 《Aquaculture Research》2008,39(16):1739-1746

The fatty acid and sterol composition of the oyster Pinctada margaritifera during oogenesis and in eggs was analysed. No major differences were observed during oogenesis, but the egg composition was significantly different from that of gonads. The amount of saturated fatty acids was the highest in eggs and the C16:0 predominant (P<5%); by contrast, the amount of 22:6(n‐3) was significantly lower (P<5%) than in gonads. No major differences were observed for the polar lipid (PL) composition during oogenesis. The main free sterols in gonads and eggs were cholesterol and brassicasterol. Among free sterols, the proportion of cholesterol diminished continuously from the beginning to the end of gonad maturation, and this decrease persisted in eggs after spawning. Cholesterol represented 40% to 55% of the sterol ester encountered in gonad and eggs. This study allowed us to investigate the fatty acid and sterol composition during oogenesis of the pearl oyster P. margaritifera, leading to a clearer understanding of the nutritional requirements of pearl oyster during the reproduction process.  相似文献   

A Preliminary Study of Silver Sodium Zirconium Phosphate Polyurethane Foam Wound Dressing on Wounds of the Distal Aspect of the Forelimb in Horses          下载免费PDF全文

Maureen E. Kelleher DVM  Diplomate ACVS  Isabelle Kilcoyne MVB  Julie E. Dechant DVM  MS  Diplomate ACVS & ACVECC  Emma Hummer BS  Philip H. Kass DVM  PhD  Diplomate ACVPM  Jack R. Snyder DVM  PhD  Diplomate ACVS 《Veterinary surgery : VS》2015,44(3):359-365

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Transient diabetes mellitus in a domestic ferret (Mustela putorius furo)     

Alexis Duhamelle  Isabelle Langlois  Marion Desmarchelier 《The Canadian veterinary journal. La revue veterinaire canadienne》2015,56(7):737-740

A 3.5-year-old spayed female ferret, fed a diet high in refined sugar, was referred for lethargy, polyuria, polydipsia, and polyphagia. Diabetic ketoacidosis was diagnosed. Treatment included insulin therapy and a low carbohydrate diet. Diabetes mellitus resolved 54 d later, and insulin therapy was discontinued. There has been no recurrence of the diabetes mellitus.  相似文献   

Green tea polyphenol extract regulates the expression of genes involved in glucose uptake and insulin signaling in rats fed a high fructose diet   总被引：1，自引：0，他引：1  

Cao H  Hininger-Favier I  Kelly MA  Benaraba R  Dawson HD  Coves S  Roussel AM  Anderson RA 《Journal of agricultural and food chemistry》2007,55(15):6372-6378

Green tea has antidiabetic, antiobesity, and anti-inflammatory activities in animal models, but the molecular mechanisms of these effects have not been fully understood. Quantitative real-time polymerase chain reaction (PCR) was used to investigate the relative expression levels and the effects of green tea (1 and 2 g solid extract/kg diet) on the expression of glucose transporter family genes (Glut1/Slc2a1, Glut2/Slc2a2, Glut3/Slc2a3, and Glut4/Slc2a4) and insulin signaling pathway genes (Ins1, Ins2, Insr, Irs1, Irs2, Akt1, Grb2, Igf1, Igf2, Igf1r, Igf2r, Gsk3b, Gys1, Pik3cb, Pik3r1, Shc1, and Sos1) in liver and muscle of rats fed a high-fructose diet known to induce insulin resistance and oxidative stress. Glut2 and Glut4 were the major Glut mRNAs in rat liver and muscle, respectively. Green tea extract (1 g) increased Glut1, Glut4, Gsk3b, and Irs2 mRNA levels by 110, 160, 30, and 60% in the liver, respectively, and increased Irs1 by 80% in the muscle. Green tea extract (2 g) increased Glut4, Gsk3b, and Pik3cb mRNA levels by 90, 30, and 30% but decreased Shc1 by 60% in the liver and increased Glut2, Glut4, Shc1, and Sos1 by 80, 40, 60, and 50% in the muscle. This study shows that green tea extract at 1 or 2 g/kg diet regulates gene expression in the glucose uptake and insulin signaling pathway in rats fed a fructose-rich diet.  相似文献   

Induction of glucokinase mRNA by dietary phenolic compounds in rat liver cells in vitro     

Valentová K  Truong NT  Moncion A  de Waziers I  Ulrichová J 《Journal of agricultural and food chemistry》2007,55(19):7726-7731

Diabetes and its complications, including oxidative stress, are major reasons for medical intervention and one of the most frequent causes of death in developed countries. Several lines of data suggest that the use of certain dietary polyphenolic compounds may alter glucose metabolism, thus decreasing the risk for type 2 diabetes. In this paper, we present the effect of phenolic acids (caffeic, chlorogenic, rosmarinic, and ferulic) and extracts from Smallanthus sonchifolius and Prunella vulgaris on glucose production in rat hepatocytes and on glucokinase, glucose-6-phosphatase, and phosphoenol-pyruvate carboxykinase mRNA expression in rat hepatoma Fao cells. The phenolics at 500 microM and after 1 h incubation lowered glucose production via both gluconeogenesis (10 mM alanine or dihydroxyacetone as precursors) and glycogenolysis compared with metformin. Most of the phenolics increased the level of glucokinase mRNA after 24 h in the same way as insulin (10(-7) M).  相似文献   

Prevalence of Toxoplasma gondii in small mammals from the Ardennes region, France     

Afonso E  Poulle ML  Lemoine M  Villena I  Aubert D  Gilot-Fromont E 《Folia parasitologica》2007,54(4):313-314

Serum samples from 218 small mammals trapped in forest and grassland in the Ardennes region (North-eastern France) were tested for antibodies to Toxoplasma gondii. Using the modified agglutination test, positive results were found in 4/92 Apodemus sp., 3/64 Clethrionomys glareolus, 0/26 Microtus agrestis, 0/4 Micromys minutus, 3/5 Sorex sp., 2/9 Arvicola terrestris, and 7/18 Talpa europaea. Toxoplasma gondii was not isolated from the heart of seropositive individuals after bioassay in mice. Seroprevalence was significantly higher in large fossorial mammals living in grassland than in small forest mammals, probably related to ecological factors.  相似文献   

Introduction to the special issue “scaling up of agroforestry innovations: enhancing food,nutrition and income security”     

Seghieri  Josiane  Droy  Isabelle  Hadgu  Kiros  Place  Frank 《Agroforestry Systems》2021,95(7):1245-1249

Agroforestry Systems - It is more and more acknowledged that agroecological innovations, such as agroforestry practices, should be co-created through a combination of research and traditional...  相似文献