Poultry Science, pez450, doi.org/10.3382/ps/pez450

https://academic.oup.com/ps/advance-article/doi/10.3382/ps/pez450/5556077

Animals, 9(3), 116, doi:10.3390/ani9030116

https://www.mdpi.com/2076-2615/9/3/116