PROXIMATE COMPOSITION AND PHYSICO-CHEMICAL PARAMETERS OF WATER HYACINTH (Eicchornia crassipes) ENSILED WITH BREADFRUIT (Artocarpus altilis) AS FEED FOR WEST AFRICAN DWARF GOATS

Résumé

Scarce forages and low digestibility are major challenges of dry season feeding of ruminants in the tropics. This can be overcome by conservation of forages through ensiling with unconventional and inexpensive materials containing high fermentable carbohydrates. Water hyacinth, an invasive water weed with high biomass yield was ensiled with graded levels of Breadfruit and assessed for its potential as a feed resource. Breadfruit was included in silages at 0% (control, T l); 10% (T2), 20% (T3), 30% (T4) and 40% (T5) with sawdust added at a constant inclusion level of 10% to serve as absorbent. Proximate composition and silage quality assessment were determined after 30 days of ensiling. Results showed that dry matter (%) of silages ranged between 14.21 (T l ) and 28.44 (T4). Ash contents (g/100g) reduced (P<0.05) as breadfruit inclusion increased in the silage diets. Crude protein (g/100g) was higher (P<0.05) in Tl (12.03) than T5 (9.18) but was similar in T2, T3 and T4 (10.50, 10.72, 10.28) respectively. The appearance, odour and texture of the silages in T3-T5 had acceptable physical attributes while pH values ranged from 4.65 — 5.40. It was concluded that water hyacinth leaves and stem ensiled with breadfruit have potential as feed for ruminants in terms of nutritional and physico-chetnical attributes.