METHOD FOR STIMULATING SEXUAL PUBESCENCE IN SWINE Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: to speed up sexual maturing, to raise the level of ovulation ad reduce expenditures for stimulation of replacement pigs, the method involves transcranial electric stimulation of endogenic opioid systems of brain. For this purpose, electrodes with hydrophylic spacers are applied to the frontal and bassioccipital bones and the animals are treated with direct current smoothly growing in the course of 2 min up to 6 mA followed by delivering rectangular pulses to the electrodes at a frequency of 70-80 Hz, duration of 3-4 ms and increasing gradually their amplitude within 2 min to 1.7 3.4 mA. Transcranial electric stimulation is administered for 25-30 min once daily for 3-4 days. EFFECT: higher efficiency. 4 tbl