Measured amounts of the concentrate mixture followed by roughages ad libitum (extra 10% of the previous day’s intake) were offered in the morning. The amount of feed offered was based on previous day voluntary feed intake in order to maintain the roughage to concentrate ratio of 70:30 throughout the experiment. Body weight of the individual sheep was taken weekly in the morning before feeding in order to assess the changes in body weight. Animals had access to ad libitum fresh and clean drinking water during the day. Other care and management were also identical for all groups. Body weights of the animals were taken at the beginning (day 1) and end (day 45) of the experimental feeding.