FOOD TECHNOLOGY

Detailed explanation-1: -Salmonella can get on the shells of eggs. This can happen when birds lay the eggs and when eggs touch bird droppings (poop) after being laid. Touching eggs from the grocery store is not a major cause of illness because those eggs are washed before they reach stores. Salmonella can get inside eggs too.

Detailed explanation-2: -The second way of egg contamination is exclusive to one particular type of Salmonella known as Salmonella Enteritidis (SE). In SE-infected layer hens, the bacteria can be found in their ovaries and they enter the eggs even before the shells are formed.

Detailed explanation-3: -Key Points to Note: Shell eggs need not be washed as any process that wets the shell may facilitate the entry of microorganisms. It is not surprising to find bacteria on egg shells since eggs can come into contact with bacteria during release and following exposure to the environment.