Effects of varying the level of palm oil on feed intake, milk yield and composition and postpartum weight changes of Red Sokoto goats

Abstract

Twenty-five pregnant Red Sokoto goats (average liveweight, 33.14 ± 1.75 kg) were used from the last month of pregnancy until 118 day of lactation to evaluate the effect of varying the level of palm ( Elaeis guineensis, Jacq.) oil (PO) in concentrate supplement on lactation performance. The goats were fed one of five iso-nitrogenous (16% CP) supplements containing 0% PO (control), 4% PO, 8% PO, 12% PO or 16% PO to a basal diet of Wooly finger grass ( Digitaria smutsii, Stent) hay. Average consumption of concentrate was 400 g/goat/day, representing 48% of total dry matter intake. Daily dry matter intake decreased linearly with increasing levels of palm oil. The 4% PO concentrate elicited the highest milk production and was the most cost-effective, while improving daily milk production by 29% compared with the control. Milk composition and postpartum weight changes of the goats were not significantly affected by the concentrate supplements but milk fat percent was generally increased by inclusion level of palm oil in the supplement. It is concluded from this study that the concentrate supplement containing 4% palm oil can increase milk yield in Red Sokoto goats without adversely affecting dry matter intake.