The effect of a supplement of lupin seed on the testicular size and LH profiles of Merino and Booroola rams.

THE EFFECT OFASUPPLEMENT OF LUPIN SEED ON THE TESTICULARSIZE ANDLH PROFILES OF MERINO AND BOOROOLA RAMSS.R.D. SUTHERLAND* and G.B. MARTIN*tarySix Merino (mean live weight 71 kg) and six Booroola rams (mean live weight50 kg) were fed a maintenance diet of 0.9 kg per day of an 8 : 1 mixture of oatenchaff : lucerne chaff (approx.6% crude protein) for five weeks.Three of eachgroup were then fed this roughage diet ad lib. plus 750 g of lupin seed (Langus_ . -.-. . . .- - ._ifolius cv..--P.-e Uniwhite) per day for nine weeks while the other three remained onthe maintenance diet.The rams were weighed and testicular size measured by corn