Western Australian Consolidated Regulations Western Australian Consolidated Regulations (1) A person shall not
permit a bull to enter or remain upon the premises, unless the bull has,
within the 30 days immediately prior to its entry, been examined
clinically and tested in isolation by a veterinary surgeon for —
(a)
tuberculosis; using the single intradermal (caudal fold) test, with negative
results;
(b)
brucellosis; using the Complement Fixation Test, by warm fixation and doubling
serum dilution from 1 in 4 to 1 in 128 inclusive, with negative results;
(c)
leptospirosis; using the agglutination-lysis test, for L. pomona and L.
hardjo with negative results;
(d)
vibriosis; by examination of preputial scrapings by culture and
immunofluorescence, with negative results;
(e)
trichomoniasis; by examination of preputial scrapings by culture, with
negative results and found to be free of trichomoniasis;
(f)
evidence of infectious or contagious disease; and
(g)
hereditary defects as listed in the Second Schedule, including testing for
mannosidosis of bulls of susceptible breeds.
(2) in the case of a
sexually mature bull, in addition to compliance with the provisions of
subregulation (1) —
(a) a
semen examination shall be performed, with satisfactory results as to sperm
morphology, density, motility, and freedom from the presence of inflammatory
products; and
(b)
seminal plasma shall be subjected to a brucellosis agglutination test, with
negative results.
(3) Notwithstanding
anything in subregulation (1) bulls under the age of 5 months which
are sexually immature may be permitted to enter and remain upon the premises
without being tested for vibriosis and trichomoniasis, but shall be subjected
to those tests at the age of 10 months, and prior to the first collection
of semen.
(4) A veterinary
surgeon examining a bull shall certify —
(a) that
he has found no evidence of any infectious or contagious disease, or
hereditary defect as listed in the Second Schedule; and
(b) that
the results to the tests performed pursuant to subregulation (1)(a), (b),
(c), (d) and (e) are negative.