Final answer:
Salmonella enteritidis is the species of bacteria that causes black rot of eggs. It can contaminate eggs through fecal contamination from infected poultry, and it leads to black or dark green discoloration of the yolk.
Step-by-step explanation:
The species of bacteria that causes black rot of eggs is Salmonella enteritidis. This bacterium can contaminate eggs when the shell is contaminated with feces from infected poultry. Black rot of egg is a condition where the egg develops a black or dark green discoloration of the yolk, caused by the production of hydrogen sulfide by the bacteria.
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