Arrange the dose of opiate analgesics namely Butorphanol, Meperidine, Pentazocine and Morphine sulphate used in treatment of equine colic in the correct sequence
A. 0.025-0.1 mg/kg IV
B. 0.2 – 2.0 mg/kg IV
C. 0.5-1.0 mg/kg IV
D. 0.05-0.01 mg/kg IV
Choose the correct answer from the options given below: