The Rural Voice, 1986-06, Page 66ADVICE
dairy animals eating the material.
"We don't know why," Dr.
McKersie says.
Currently Silavac Brand 1177 is
the only registered innoculant
available. Dr. McKersie says some
of the new products coming on
stream could be more effective
than silavac. Because innoculants
are still in the developmental pro-
cess, there are bound to be many
"new and improved" versions of
such products as time goes on.
Currently, Dr. McKersie is stu-
dying seven products. He expects
that by next summer there will be
several more good products on the
market.
One characteristic of a good in-
noculant is that it consistently
stimulates the rate of fermenta-
tion. Some of the most impressive
products to date which stimulate
fermentation every time are
Agmaster from Miles
Laboratories; and Biomate from
Chris Hanson. The Pioneer pro-
duct runs a consistent second to
these two products while silavac,
the only innoculant currently
registered, only stimulates fermen-
tation about half the time, accor-
ding to Guelph's research.
How effective
are hay preservatives
The use of certain hay preser-
vatives in large, round bales in
1985, had no effect on bale heating
or damage to forage quality in
research done by Dr. Ann Clark,
assistant professor, and Dr. Brian
McKersie, associate professor, at
the Ontario Agriculture College,
OAC.
The companies marketing such
preservatives were polite and
helpful, even though results did
not support the preservative
qualities of their products, says
Dr. Clark. Such companies gave
suggestions as to technique in the
ongoing research concerning hay
preservatives.
She sums up her research in
these words: "Second cut alfalfa
baled at three moisture contents
was treated and packaged in large
round bales. Treated bales heated
and were damaged to the same
degree as untreated control bales.
None of the products used suc-
cessfully preserved moist large
round -baled alfalfa." _= PC
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JUNE 1986 65