Hens lay larger eggs if they smell a substance in human urine !

Studies into finding more innovative ways of producing better eggs have led to an interesting finding. Hens have shown that they lay larger eggs if they smell a substance found in human urine, according to studies in Israel and Britain.

The substance known as, " 2-methoxy-3-isobutyl pyrazine " has also shown to improve chickens' memory. The eggs laid were found to be weighing more than 4 grams than the eggs laid without this stimulation.

It is assumed that the smell of these compound delays the surge of luteinising hormone, which releases eggs from the oviduct, so a developing egg might linger there. It might have more time to collect yolk and albumen.

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