Is it must to a hen to have a mating for laying eggs?
There does not have to be a rooster anywhere near the hens for them to start laying. They do this without needing a male. The eggs, however, are infertile and will not hatch. If a rooster has access to the hens, the eggs are fertile and, if incubated...
My male angelfish is fertilizing the eggs why aren't they hatching?
Ok what are your parameters? the ph should be around 7.0 to 7.5 at the most when breeding angels and it is better if the water is soft. I use a RO(reverse osmosis)system to soften my water for breeding. how do your eggs look after a day or two? white...
R-Com? Hatching?
Yes, you do need to leave them in there. If I remember rightly, it will automatically stop turning at the right time. You then leave them in there until they have dried off and are standing up, and then transfer them to a brooder.