**Author details**

Naceur M'hamdi and Saoussen Frouja *Department of Animal Sciences. Higher Institute of Agronomy of Chott-Mariem, Sousse, Tunisia* 

Mahdi Bouallegue *Faculty of Mathematical, Physical and Natural Sciences of Tunis, Tunis, Tunisia* 

Yosra Ressaissi *National Institute of Agronomy of Tunis, Tunisia* 

Satinder Kaur Brar *National Institute for Scientific Research, Quebec, Canada* 

Mohamed Ben Hamouda *Institution of Research and Agriculture Higher Education (IRESA), Ministry of Agriculture, Tunisia* 
