6STELIA A V,PARATIE R,VALNEGRI L,et al. Effect of administration of live Saccharomyces cerevisiae on milk production, milk composition, blood metabolites,and faecal flora in early lactating dairy goats[J]. Small Rum Res,2007,67( 1 ) :7 - 13.
7WOOD P D P. Algebraic model of lactation curve in cattle [ J ]. Nature, 1967,216(10) :164 - 165.
8SNOWDER G D, GLIMP H A. Influence of breed, number of sucking Iambs ,and stage of lactation on ewe milk production and lamb growth under range conditions[J]. Anim Sci ,1991,69:923 -930.
9GABINA D,ARRESE F,ARRAZ J,et al. Average milk yields and environmental effects on latxa sheep[J] Dairy Sci,1993,76:1191 -1198.
10GIPSON T A, GROSSMAN M. Lactation curves in dairy goats: review [J]. Small Rum Res ,1990,3 :383 -396.
