Dr. Ajmal Khan

Senior Scientist

E: Ajmal.Khan@agresearch.co.nz


Ph. D. Animal Nutrition
M. Sc. (Hons.) Animal Nutrition
B. Sc. (Hons.) Animal Husbandry

Research interests & activities

Efforts to improve feed efficiency, reduce impact of livestock production on environment and devise rearing systems for better livestock management are vital to feed escalating human population in a sustainable way.

My research is focused to enhance productivity, health and welfare of dairy animals through devising better feeding methods. I am particularly interested in:

  • Improving growth, health and welfare of calves and heifers
  • Reducing productivity losses around physiological and dietary transitions in ruminants  
  • Use of technology/ sensors to improve feeding management on-farm



Khan, M. A., A. Bach, Ll. Castells, D. M. Weary, and M. A. G. von Keyserling. 2014. Effects of particle size and moisture levels in mixed rations on the feeding behavior of dairy heifers. Animal. DOI: http://dx.doi.org/10.1017/S1751731114001487.
Khan, M. A., D. M. Weary and M. A. G. von Keyserlingk. 2011. INVITED REVIEW: Effects of milk ration on solid feed intake, weaning and performance in dairy heifers. Journal of Dairy Science. 94: 1071-1081.
Khan, M. A., H. J. Lee, W. S. Lee, H. S. Kim, K. S. Ki, T. Y. Hur, G. H. Suh, S. J. Kang, and Y. J. Choi. 2007. Structural growth, rumen development, and metabolic and immune responses of Holstein male calves fed milk through step-down and conventional methods. Journal of Dairy Science. 90: 3376-3387.