Bolus for supplying biologically beneficial substances to rumina

Details Bolus for supplying biologically beneficial substances to rumina Bolus for supplying biologically beneficial substances to rumina

1997-11-12

1999-11-16

Levy, Neil S.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Specially adapted for ruminant animal

424485, 424617, 424630, 424639, 424641, 424646, 424667, 424702, 424722, A23K 118

Patent

active

059853140

ABSTRACT:
A bolus for supplying a biologically beneficial substance to a ruminant animal, which includes a binder constituted by a rosin matrix, preferably pine rosin, together with a ballast material, such a zinc, with the biologically beneficial substance being dispersed in the binder, so that, in use, the biologically beneficial substance is released by leaching from the non-eroding body of the bolus. A pocket may be included in the body of the rosin bolus, which pocket erodes to release an additional biologically beneficial substance.

REFERENCES:
patent: 4578263 (1986-03-01), Whitehead
patent: 4643893 (1987-02-01), Ascher et al.
patent: 5252561 (1993-10-01), Hornykiewytsch et al.

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