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52
The Chemical Analyses gave as follows :—
1.—Specific Gravity 1032.7
Fat 3.3 per cent.
Solids not Fat 8.97 per cent.
Total Soids 12.27 per cent. Ash 0.72 per cent.
Preservatives. Not found.
The Bacteriological Examination shewed :—
Bacteria per cubic centimetre capable of growing
on Gelatine in 72 hours at 20 Cent. 416,500
Bacteria per cubic centimetre capable of grow
ing on Agar in 48 hours at 37 Cent 313,000
Bacillus Coli. Present in 0.001 c.c.
Klebs Loeffleur Bacilli. Not found.
Tubercle Bacilli. Microscop. Exam. Not found.
Microscopical Examination of the Centrifugalised
Deposit shewed very little extraneous matter. No Red
Blood corpuscles were found but there was considerable
excess of Polymorphonuclear Leucocytes with some Streptococci.
Chemically the milk is of good quality.
Bacteriologically the Milk would not conform to the
requirements for Grade A Milk inasmuch as it contains
too many bacteria and the Bacillus Coli is present in
1/1000th of a cubic centimetre. For an average milk the
number of bacteria cannot be regarded as excessive but
the Bacilli Coli is present in considerably larger numbers
than should be the case if the milk was produced under
cleanly conditions. In addition, the large number of Pus
cells suggests an inflamatory condition of the udder of one
or more cows.
2.—Pus cells present in large numbers.