From: Preliminary investigation of potential links between pigmentation variants and opioid analgesic effectiveness in horses during cerebrospinal fluid centesis
MC1R Genotypes
Mean analgesic effectiveness
Median analgesic effectiveness
Mean dosage rate (mg/kg BW)
Median dosage rate (mg/kg BW)
E/E (n = 11)
2.8
3
0.015
0.017
E/e (n = 20)
2.7
0.016
e/e (n = 18)
2.1
2
0.014
0.01