can bad homemade compost cause seeds not to sprout?

I was so excited to till in my first batch of homemade compost into a section of my vegetable garden. I planted fava bean seeds there, which I have never had a problem growing. I only got about 10% sprouting rate after several successive plantings. When I dug up seeds that never sprouted they all looked similar to the picture--a root had come out and a sprout part too, but the top of the sprout part was black and rotted. Could there be something in my homemade compost, like a disease, that I have introduced into the soil (yikes!) to cause this problem?

I'm no expert on diseases, but it looks like something has been chewing on it . . .

Yes, I thought about that too, but the point where the sprout ends is well below the soil surface so it is not something like a rabbit. And if it were something wormlike in the soil, I would think it would affect all the crops in my raised bed--not just the favas, and it is only affecting the favas (which is also the only part of the bed where I put my homemade compost).

Compost can hold a lot of moisture and cause larger seeds to rot

Karen