Does progesterone prevent menstruation?

Hello! Does taking progesterone supplements after artificial insemination prevent the onset of menstruation until the final pregnancy test? The puncture was on cycle day 13 – I've been taking cyclogest/progesterone ever since. The transfer was on cycle day 18. The pregnancy test isn't scheduled until cycle day 30. My cycle normally lasts a maximum of…

Are there methods to artificially inseminate poultry?

Hardly any cow, mare, or sow is impregnated naturally these days. A mare in heat is presented to a stallion, which makes him horny and ejaculates. Then he mounts a buck and ejaculates into an artificial vagina. An electro-ejaculator is attached to the bull, and irregular electrical pulses are applied to provoke ejaculation. But how…