British Poultry Science
10.1080/00071660120121454
2002
Measuring the eggshell strength of 6 different genetic strains of laying hens: Techniques and comparisons
Ketelaere, B. De; Govaerts, T.; Coucke, P.; Dewil, E.; Visscher, J.; Decuypere, E.; Baerdemaeker, J. De
سوال امنیتی
