... studies have shown that the in vivo stimulation of the HPA axis with insulinand adrenocorticotropic hormone results in less corti-sol being produced in Angora goats when compared with Boer goats ... noted, however, that unequal meltingpeaks may not always be the result of a change in genefrequency. Fluorescence decreases with increasing tem-perature, resulting in melting peaks that may havelarger ... alsoincluded in each assay.Fig. 6. Plasma cortisol levels in the three Angora genotypes(n = 10 per group) following intravenous insulin injection. Plasmaglucose levels are shown in the inset....