1. The effects of levels of concentrate offered and inclusion of maize gluten or fish meal in the concentrate on reproductive performance and blood parameter of dairy cows;Armstrong;Anim. Prod.,1990
2. Official Methods of Analysis,1990
3. Effects of feeding fish meal to cows on digestibility, milk production, and milk composition;Atwal;J. Dairy Sci.,1992
4. Barton, B. A., and D. J. Carroll. 1992. Dietary crude protein and reproductive efficiency in dairy cows: considerations when designing or evaluating research protocols. 27th Annu. Pacific Northwest Anim. Nutr. Conf., October 20-22, 1992, in Spokane, WA. J. Harrison and S. LaRoque, ed. Dep. Anim. Sci., Washington State Univ., Pullman.
5. Effects of fish meal protein supplementation on milk yield and composition and blood constituents of dairy cows;Blauwiekel;J. Dairy Sci.,1990