Muscovies are fairly easy to sex because the males get so much larger than the females. If they all look about the same size at that age they are probable all the same sex. As far as whether they are females or males. The females are slenderer with a definite feminine look to them. Males are...
Wow, that sounded painful for even me while i sit and read this. The utube videos make it look easy because for the most part it is. When you go to slaughter the bird you must go with "intent". You cant try to slice through its neck to its artery with the mindset of not really wanting to do it...