Abstract
Cassava foliage is a by-product of cassava and has been widely used in animal feed. However, little information is available on its utilization for geese. In this study, we investigated the effects of cassava foliage on the performance, carcass characteristics, and gastrointestinal tract development of geese. A total of 108 28-day-old Hainan indigenous male geese with similar body weight were randomly divided into 3 groups with 6 pens of 6 geese per group and fed for 42 D on either the control diet of ground maize, soybean meal, and wheat bran or the experimental diet of ground maize, soybean meal, and wheat bran supplemented with 5% or 10% cassava foliage, respectively. On day 70, their body weight (BW), average daily gain (ADG), average daily feed intake (ADFI), feed conversion ratio (FCR), carcass characteristics, and gastrointestinal tract development were compared. The results showed that cassava foliage diet significantly improved goose's BW (P < 0.05), ADG (P < 0.05), and ADFI (P < 0.05), affected carcass characteristics such as relative meat content (P < 0.05) and abdominal fat content (P < 0.05), and facilitated goose's gastrointestinal tract development. These findings suggested that incorporating cassava foliage into the diet of geese (day 28-70) could have positive effects, and supplementing 5% cassava foliage was more beneficial than 10%.
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