6Leng R A, Preston T R, Sansoucy R. Multinutrient blocks as a strategic supplement for ruminants [ J ]. World Animal Review, 1991,78 (2) : 11-19.
7Srinivas B, Verma N C. Adoption of UMMB lick supplementation for milch animals [ J ]. Indian Journal of Dairy Science, 1996,49 ( 10 ) :678-684.
8Forsberg N E, A1-Maqbaly R, A1-Halhali A, et al. Assess- ment of molasses-urea block for goat and sheep production in the Sultanate of Oman:intake and growth studies [ J ]. Tropical Animal Health and Production, 2002,34 ( 3 ) : 231-239.
9Rafiq K, Mostofa M, Saifut M. Studies on the anti-nematodal effects of medicated urea-molasses-mineral blocks against gastrointestinal nematodiasis in indigenous dairy cows of Bangladesh [ J ]. Pakistan Journal of Biological Sciences ,2004,7 ( 1 ) :73-78.
10Saadullah M, Beg M A H. Effect of feeding straw supplementing with urea molasses block lick on the performance of sheep [ J ]. Asian Australasian Journal of Animal Sciences, 1995,8 (3) :289-293.