C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
260/37, 167/103.
C07J 41/00 (2006.01) A61K 39/00 (2006.01) A61K 39/385 (2006.01) A61K 47/48 (2006.01) C07J 1/00 (2006.01)
Patent
CA 1321190
ABSTRACT A product and method for increasing fertility in sheep. By "increasing fertility" is meant increasing the potential of a flock of sheep to multiply by increasing ovulation in ewes. The product is an immunogenic conjugate of 4-androstene-3, 17-dione and a soluble milk protein (SMP): 6-hydroxyandrost-4- ene-3, 17-dione 6-hemisuccinyl: SMP. The method comprises immunizing the ewes in a flock of sheep against 4-androstene-3, 17-dione by administering 6-hydroxyandrost-4-ene-3, 17-dione 6-hemisuccinyl SMP at the rate of 3 to 5 mg per ewe. In previously untreated ewes, two administrations are required at between 8 to 9 and 4 to 5 weeks before the planned commencement of mating. Subsequent administrations are annually and are recommended at 5 weeks before the commencement of mating.
521758
Crump Douglas Ronald
Erasmuson Anton
Mcnatty Kenneth Pattrick
Intervet International B.v.
Mccarthy Tetrault Llp
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