title: Fertility regulation in cattle.
abstract: This paper reviews the physiological, endocrinological and pharmaceutical literature pertaining to the design, development and optimisation of subcutaneous and intravaginal progestogen-containing drug delivery systems used in the control of synchrony and ovulation in cattle.
authors.affiliation: InterAg, Hamilton, New Zealand.
authors.forename: M J
authors.initials: MJ
authors.lastname: Rathbone
authors.forename: K L
authors.initials: KL
authors.lastname: Macmillan
authors.forename: K
authors.initials: K
authors.lastname: Inskeep
authors.forename: S
authors.initials: S
authors.lastname: Burggraaf
authors.forename: C R
authors.initials: CR
authors.lastname: Bunt
mesh_terms: D000279:Administration, Cutaneous; D000282:Administration, Intravaginal; D000818:Animals; D002417:Cattle / Q000502:physiology*; D004338:Drug Combinations; D016503:Drug Delivery Systems / Q000295:instrumentation; D004343:Drug Implants; D004971:Estrus / Q000187:drug effects; D005260:Female; D005298:Fertility / Q000187:drug effects*; D005300:Fertility Agents, Female / Q000008:administration & dosage / Q000494:pharmacology; D011372:Progestins / Q000008:administration & dosage / Q000494:pharmacology
chemical_list: D004338:Drug Combinations; D004343:Drug Implants; D005300:Fertility Agents, Female; D011372:Progestins