?url_ver=Z39.88-2004&rft_id=https%3A%2F%2Fdoi.org%2F10.3920%2F978-90-8686-891-9_29&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Heuel%2C+M.&rft.aufirst=M.&rft.aulast=Heuel&rft.date=2019&rft.isbn=eISBN%3A+978-90-8686-891-9%3B+ISBN%3A+978-90-8686-340-2&rft.title=Performance+of+laying+hens+when+replacing+soybean+cake+and+oil+by+insect+larval+protein+meal+and+fat&rft.genre=proceeding