id	keyword
american_scientific_journal-1258	egg
american_scientific_journal-1258	weight
american_scientific_journal-1258	traits
american_scientific_journal-1258	production
american_scientific_journal-1258	generation
american_scientific_journal-1258	selection
american_scientific_journal-1258	quail
american_scientific_journal-1258	japanese
american_scientific_journal-1258	egg production
american_scientific_journal-1258	body
american_scientific_journal-1258	age
american_scientific_journal-1258	number
american_scientific_journal-1258	eggs