@article{000873080, title = "Effects of a reduction in the dietary level of non-essential nitrogen in the female growing pig on feed intake, growth and carcass characteristics according to energy concentration and energy substrate", author = "Noblet, J. and Henry, Y. and Bourdon, D.", year = "1980", journal = "Annales de Zootechnie", volume = "29", number = "2", pages = "103-119", url = "https://eurekamag.com/research/000/873/000873080.php" }