RADIOGRAPHIC DIAGNOSIS: PERICARDIOPERITONEAL DIAPHRAGMATIC HERNIA AND CHOLELITHIASIS IN A DOG     

Diana S.  Rosenstein  DVM  Ullrich  Reif  DVM  Russ L.  Stickle  DVM  Gary  Watson  DVM  William  Schall  DVM  Pierre  Amsellem  DVM 《Veterinary radiology & ultrasound》2001,42(4):308-310

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Correlated Response to Selection for Protein Yield in Oats After Three Cycles of Recurrent Selection     

J. K. McFerson  K. J. Frey 《Plant Breeding》1992,108(2):149-161

Three oat (Avena saliva L.) populations (i.e., lines of descent), high grain yield (HG), high protein content (HP), and high protein yield per se (HGP), each developed by three cycles of S, recurrent selection, were evaluated for the effect of selection for groat-protein yield upon other agronomic traits. Selections making up the HG line of descent had high protein yield primarily due to high grain yield, and those selected for HP had high protein yield due to both high protein content and high grain yield. Selection in HGP was on the basis of protein yield per se. Selection caused increases in bundle weight, harvest index, vegetative growth rate, and seed number in all lines of descent. Heading date, plant height, and seed weight were unaffected, whereas groat percentage and test weight were decreased in HP and HGP. Heritabilities were high for heading date, plant height, test weight, and seed weight, moderate for harvest index and bundle weight, and low for groat percentage. Genetic variability generally declined from CO to C3 for all traits. Groat-protein yield and amount of protein per groat increased in all lines of descent. In HG, the increase in groat weight was due primarily to increases in the nonprotein fraction, with groat-protein content actually decreasing. In HGP, groat weight increased due to increases in protein and nonprotein fractions, and groat protein content remained constant. In HP, groat weight and amount of nonprotein per groat decreased, thus increasing groat-protein content. Three cycles of recurrent selection resulted in oat lines with groat-protein yields significantly higher than the highest lines from CO. Utilization of index selection may be desirable to obtain populations of greater breeding value.  相似文献   

Effects of intravenous sodium bicarbonate and sodium acetate on equine acid-base status     

Kevin Kline PhD  Leonard P. Frey PhD  Jonathan H. Foreman DVM  MS  Joseph T. Lyman DVM  MS 《Journal of Equine Veterinary Science》2005,25(8):349-354

Changes in blood gases, pH, and plasma electrolyte concentrations in response to intravenously infused sodium bicarbonate (NaHCO₃) and sodium acetate (NaCH₃CO₂) solutions (1.34 mEq/mL) in 5 light breed mares were investigated. Jugular venous blood samples were collected before and after completion of the infusions in 20-minute intervals for 200 minutes. Infusion of sodium bicarbonate and sodium acetate caused significant (P < .00l) increases in blood pH and bicarbonate ion concentration that persisted throughout the collection period. The elevation in blood pH and bicarbonate ion concentrations was greater (P < .01) for sodium bicarbonate than for sodium acetate immediately after the completion of the infusions but was not different (P > .05) thereafter. There were significant reductions (P < .01) in plasma-ionized calcium and potassium after infusion of both sodium bicarbonate and sodium acetate. This study found that significant metabolic alkalosis in horses and corresponding shifts in electrolyte concentrations can be induced by intravenous infusion of solutions of either sodium bicarbonate or sodium acetate, and they persist for at least 3 hours. These data show that the short-term elevation in pH and bicarbonate ion concentration is momentarily higher after infusion of sodium bicarbonate. This is likely due to the direct infusion of bicarbonate ions in the sodium bicarbonate treatment, such that further metabolism is not required to be effective. However, the longer-term alkalosis did not differ between isomolar solutions of sodium bicarbonate and sodium acetate.  相似文献   

Prognostic value of echocardiographic indices of left atrial morphology and function in dogs with myxomatous mitral valve disease          下载免费PDF全文

Marco Baron Toaldo  Giovanni Romito  Carlo Guglielmini  Alessia Diana  Nazzareno G. Pelle  Barbara Contiero  Mario Cipone 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2018,32(3):914-921

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Food intake and energy expenditure in growing cats with and without a predisposition to overweight          下载免费PDF全文

Vivien Ghielmetti  Brigitta Wichert  Simon Rüegg  Diana Frey  Annette Liesegang 《Journal of animal physiology and animal nutrition》2018,102(5):1401-1410

Overweight and obesity are multifactorial diseases caused by an imbalance in energy metabolism. An underlying genetic predisposition is often a factor in these conditions. In the cat breeding family of the Institute of Animal Nutrition at the Vetsuisse Faculty, University of Zurich, a segregating overweight phenotype with a genetic contribution was observed. From this breeding family, 26 kittens were followed from birth up to 8 months of age. During this time, food intake was measured using an automatic feeding station, and energy expenditure was investigated using indirect calorimetry at the ages of 4 and 6 months. Dual‐energy X‐ray absorptiometry (DEXA) was performed and blood glucose, leptin and insulin were measured at the ages of 4, 6 and 8 months. The kittens were also weighed daily for the first 2 weeks of life, every second day until weaning and once per week until 8 months of age. The body condition score (BCS) was evaluated monthly between 2 and 8 months of age. The main finding of this study is that a predisposition to overweight is connected to a higher food intake early in life, with no significant alterations in energy expenditure. The leptin blood levels were related to body fat percentage, and insulin sensitivity did not seem to be affected.  相似文献   

A retrospective histopathological,immunohistochemical and molecular study of the presence of Leishmania spp. in the skin of cats with head and neck ulcerative dermatitis          下载免费PDF全文

Diana Di Mattia  Dolores Fondevila  Francesca Abramo  Alessandra Fondati 《Veterinary dermatology》2018,29(3):212-e76

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A descriptive epidemiological study on canine babesiosis in the Lake Geneva region     

Porchet MJ  Sager H  Muggli L  Oppliger A  Müller N  Frey C  Gottstein B 《Schweizer Archiv für Tierheilkunde》2007,149(10):457-465

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Detection of specific Mycoplasma conjunctivae antibodies in the sera of sheep with infectious keratoconjunctivitis     

Belloy L  Giacometti M  Abdo EM  Nicolet J  Krawinkler M  Janovsky M  Bruderer U  Frey J 《Veterinary research》2001,32(2):155-164

The serological cross reactions between Mycoplasma conjunctivae, the etiological agent of infectious keratoconjunctivitis (IKC), and the antigenetically and phylogenetically closely related Mycoplasma ovipneumoniae, which is often found in sheep, were analysed. Cross reacting antigens were identified using sera from sheep with IKC and from sheep of herds known to be free of IKC, as well as rabbit hyperimmune serum specific to the two Mycoplasma species. Cross reactions were predominantly due to the strongly antigenic proteins of 42 kDa and 83 kDa. Serospecific antigens of M. conjunctivae could be separated from cross-reacting antigens by the extraction of Tween 20-soluble membrane proteins. The Tween 20-extracted proteins of the M. conjunctivae strain HRC/581T were used for the development of an indirect ELISA test. This ELISA test was shown to be a useful serological method for the diagnosis of M. conjunctivae infections and to identify infected sheep herds.  相似文献   

Herpesvirus in harbour seals (Phoca vitulina): transmission in homologous host     

B Horvat  T Willhaus  H R Frey  B Liess 《Zentralblatt für Veterin?rmedizin. Reihe B. Journal of veterinary medicine. Series B》1989,36(9):715-718

In the Norddeich orphanage seals about four to five months of age were exposed intranasally and by contact to a phocine herpesvirus which originated from a young seal in this station. Virus excretion by the nasal route was observed in two animals on day 2 and 15 post inoculation, respectively. Production of neutralizing antibodies was detected one week after exposure. The antibody titre range was approximately tenfold higher in the inoculated seals than in animals of the contact group. The seals did not become seriously sick.  相似文献   

Fungicidal activity and chemical constitution: XVII.—Activity of various 4-(1-substituted n-alkyl)-2,6-dinitrophenols and esters against apple powdery mildew     

Diana M. Fieldgate  Carolyn S. James  R. J. W. Byrde  D. Woodcock 《Pest management science》1970,1(5):183-188

Members of series of 4-(cyclobutylalkyl, cyclohexylalkyl and benzylalkyl)-2,6-dinitrophenols were tested in a glasshouse against apple powdery mildew caused by Podosphaera leucotricha. Three series involving a cyclohexyl substituent separated from the phenolic nucleus by one, two or three methylene groups were of the same order of activity, but replacement of this substituent by a phenyl group in one case, resulted in a marked decrease in activity. Of a number of esters tested, none was significantly more active than the corresponding phenol.  相似文献