Page 20 - The Veterinary Laboratory and Field Manual 3rd Edition
P. 20

List of figures, plates and tables  xix


                Figure 2.36  Analytical balance.    71   Figure 2.65  Pipette volumetric.    96
                Figure 2.37  Water bath.            73   Figure 2.66  Pipette graduated.     97
                Figure 2.38  Deionizer.             75   Figure 2.67  Pipette volumetric close up.    97
                Figure 2.39  Manesty water distillation    Figure 2.68  Pipette filler.      98
                apparatus.                          75   Figure 2.69  Pipette filler electric.   98
                Figure 2.40  Air-displacement pipette.   76  Figure 2.70  Ultrasonic bath.    103
                Figure 2.41  Positive displacement pipette.   76  Figure 3.1  Various plastic bottles and bags
                Figure 2.42  Micropipette.          77   may be suitable for collecting faecal samples.  115
                Figure 2.43  Dispenser.             79   Figure 3.2  The use of a plastic bag to protect
                Figure 2.44  Semi-automatic photometer,    hands from direct contact with faecal material
                Rayto RT-9200 (wavelengths in the visible   if waterproof gloves are not available.   116
                spectrum between 330–800 nm, five standard   Figure 3.3  A temperature controlled
                filters, three optional filters, flow cell.   79  centrifuge with an Eppendorf rotor.   117
                Figure 2.45  Diaspect Tm handheld        Figure 3.4  Larval identification is difficult but
                haemoglobinometer.                  80   some common species may be recognized by
                Figure 2.46  Parts of the microscope,    the characteristic length and shape of the tail
                Olympus CX43.                       81   as well as the number of cells in the intestinal
                Figure 2.47  Parts of the microscope, Leica    tract.                       118
                DM4.                                82   Figure 3.5  Filling the chambers on a
                Figure 2.48  The microscopic field is divided   McMaster slide (A) for a worm egg count
                according to the plate of a clock.   85  (see text). A fine tipped pipette (B) is used
                Figure 2.49  Systematic examination of the   to fill the counting chamber(s) of the slide
                microscopic field.                  86   (C) with faecal suspension.        120
                Figure 2.50  Working principle of an oil    Figure 3.6  Flotation: (A) weighing 4 g of
                immersion objective.                87   faecal material; (B) dilution of faecal material
                Figure 2.51  ELISA reader using filters.   88  in water and filtering through a gauze pad into
                Figure 2.52  ELISA plate washing station.   88  centrifuge tube; (C) filling of centrifuge tubes to
                Figure 2.53  ELISA reader with a         equal level; (D) diluting faecal pellet in Sheath
                monochromator (filters no longer needed).   88  solution after centrifugation; (E) filling tubes
                Figure 2.54  RT PCR cycler, safety cabinet and   enough to form meniscus, cover tubes with
                no-break-system.                    89   cover slips; (F) remove cover slip from tube
                Figure 2.55  Sysmex pocH-100iV Diff      and transfer to labelled microscope slide.   121
                haematology analyser.               89   Figure 3.7  The Baermann equipment (A) used
                Figure 2.56  Sysmex pocH-100iV Diff screen.  90  for extracting lungworm and an illustration of a
                Figure 2.57  Standard glassware store    lungworm larva (B). A sieve (250 µm) is placed
                containing flasks and glass bottles.   91  in the wide neck of a glass funnel held in a
                Figure 2.58  Measuring volumes, reading the   retort stand.                 122
                meniscus.                           93   Figure 3.8  The general topography of the
                Figure 2.59  Glass reagent bottles.    94  bovine abdomen to show the location of the
                Figure 2.60  Beakers.               94   gut in situ.                       125
                Figure 2.61  Erlenmeyer flask.      95   Figure 3.9  Simple plan of the ruminant
                Figure 2.62  Measuring flask.       95   intestinal tract.                  125
                Figure 2.63  Measuring cylinder.    95   Figure 3.10  Detailed anatomical outline of
                Figure 2.64  Pipette volumetric bunch.   96  the intestines of a cow.       125







       Vet Lab.indb   19                                                                   26/03/2019   10:24
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