An intradermal test as a diagnostic aid in Newcastle disease     

YATES VJ  WASSERMAN B  FRY DE 《American journal of veterinary research》1953,14(52):471-474

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Distribution of PDIA3 transcript and protein in rat testis and sperm cells     

ML Wang  WL Guo  J Liu  L Li  WJ Xing 《Reproduction in domestic animals》2013,48(1):59-63

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Optimum use of available residue data in the estimation of dietary intake of pesticides     

DJ Hamilton  PT Holland  B Ohlin  WJ Murray  A Ambrus  GC de Baptista  J Kovacicova 《Pest management science》1999,55(2):220-221

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Changes produced in the central nervous system by ultrasound     

WALL PD  FRY WJ  STEPHENS R  TUCKER D  LETTVIN JY 《Science (New York, N.Y.)》1951,114(2974):686-687

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A review of cases submitted to Murdoch University for immunodiagnostic testing: 1978–1989     

WJ PENHALE  MJ DAY†  AD LINES  RP McKENNA 《Australian veterinary journal》1990,67(4):148-149

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Vasoformative proliferations in a rufous bettong     

P CANFIELD  T BELLAMY  WJ HARTLEY  DS SPIELMAN 《Australian veterinary journal》1990,67(9):334-335

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Current therapy in equine medicine 3     

WJ 《Journal of Equine Veterinary Science》1992,12(4)

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A second world-wide migration and population displacement of Phytophthora infestans?   总被引：8，自引：1，他引：8  

L J. SPIELMAN  A. DRENTH†  L. C. DAVIDSE‡  L. J. SUJKOWSKI§  W. GU  P. W. TOOLEY¶  W. E. FRY 《Plant pathology》1991,40(3):422-430

The appearance of the A2 mating type (previously restricted to central Mexico) in Europe during the 1980s prompted an investigation of the genetic make-up of European populations using allozyme loci as genetic markers. The investigation shows that major genetic changes have occurred in populations of Phytophthora infestans in the Netherlands, Poland, and the British Isles. It now appears that a new type of population has been introduced into several locations, and has displaced or is displacing the original populations in these locations. The new and old population types are characterized by unique allozyme alleles and genotypes. The mechanism for displacement of the'old'by the'new'population is not yet known.  相似文献   

VARIATION OF DENSITY IN THE WOOD OF PINUS PATULA GROWN IN KENYA     

FRY  G.; CHALK  L. 《Forestry》1957,30(1):29-45

1. The specific gravity was determined for the individual ringsof twenty-three 13-year-old stems of Pinus patula grown in Kenyaand also separately on the early and late wood of six rings.
2. Significant correlations were found between specific gravityand both ring width and age ofthe ring from the pith. The effectof ring width was slight with more than six rings to the inch.
3. A comparison with Turnbull's data from South African treesofthe same species confirmed his results only in the firstninerings from the pith.
4. The mean specific gravity of theearly wood in five rings was0.368 compared with 0.469 forthelate wood. This high valuefor the early wood and the smalldifference between early andlate wood was due to the thicknessof the walls in the early-woodtracheids. Similar thickwalledearly-wood tracheids were observedin Kenya species of Juniperusand Podocarpus.

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Farm management factors associated with bulk tank total bacterial count in Irish dairy herds during 2006/07     

Kelly P  O'Sullivan K  Berry D  More S  Meaney W  O'Callaghan E  O'Brien B 《Irish veterinary journal》2009,62(1):36-42

Research has shown that total bacterial count (TBC), which is the bacterial growth per ml of milk over a fixed period of time, can be decreased by good hygiene and farm management practices. The objective of the current study was to quantify the associations between herd management factors and bulk tank TBC in Irish spring calving, grass-based dairy herds. The relationship between bulk tank TBC and farm management and infrastructure was examined using data from 400 randomly selected Irish dairy farms where the basal diet was grazed grass. Herd management factors associated with bulk tank TBC were identified using linear models with herd annual total bacterial score (i.e., arithmetic mean of the natural logarithm of bulk tank TBC) included as the dependent variable. All herd management factors were individually analysed in a separate regression model, that included an adjustment for geographical location of the farm. A multiple stepwise regression model was subsequently developed. Median bulk tank TBC for the sample herds was 18,483 cells/ml ranging from 10,441 to 130,458 cells/ml. Results from the multivariate analysis indicated that the following management practices were associated with low TBC; use of heated water in the milking parlour; participation in a milk recording scheme; and tail clipping of cows at a frequency greater than once per year. Increased level of hygiene of the parlour and cubicles were also associated with lower TBC. Herd management factors associated with bulk tank TBC in Irish grazing herds were generally in agreement with most previous studies from confinement systems of milk production.  相似文献