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Broiler litter and urea-treated wheat straw as feedstuffs for Alpine doelings

G. Animut1, R.C. Merkel2, G. Abebe3, T. Sahlu2, and A.L. Goetsch2

1Alemaya University of Agriculture, Dire Dawa, Ethiopia
2E (Kika) de la Garza Institute for Goat Research, Langston University, Langston, OK
3Awassa College of Agriculture, Awassa, Ethiopia

Thirty-two Alpine doelings (15 wk of age, 12 ± 2.05 kg) were randomly allocated to four treatments to evaluate the use of deep-stacked broiler litter (BL) and urea-treated wheat straw (UWS) as feedstuffs. In all treatments, UWS or untreated wheat straw (WS) was fed for ad libitum consumption along with a concentrate supplement fed at a prescribed percentage of BW. Treatments were: U - a corn-based concentrate (1.3% N) fed at 1.5% BW with UWS (2.1% N); S - a corn:soybean meal concentrate (3.2% N) fed at 1.9% BW with WS (.5% N); LL - a corn:BL concentrate (2.3% N, BL at .8% BW) fed at 2.2% BW with WS; and HL - a corn:BL concentrate (2.7% N, BL at 1.6% BW) fed at 3.0% BW with WS. Animals were housed individually and fed once daily. Body weights were determined at 2-wk intervals prior to daily feeding during the 12-wk trial; ADG was calculated by regression. HL doelings consumed a greater amount of DM (P < .05) throughout the trial than LL, S and U animals (54.7, 45.0, 35.9, and 36.4 kg, respectively, SE = 11.64). ADG did not vary among treatments (P > .05) and was 66, 63, 70, and 61 g/d (SE = 7.1) for HL, LL, S, and U, respectively. Feed conversion efficiency was lower (P < .05) for HL and LL than for S doelings, whereas U doelings had a feed conversion efficiency similar to S and LL but greater than HL (P < .05) (170, 145, 122, and 103 g gain/kg DMI for S, U, LL, and HL, respectively; SE = 11.6). Results indicate that both BL and UWS can be used as feedstuffs for replacement Alpine doeling growth during the early post-weaning period. The possibility of using modified crop residues and animal by-products as feedstuffs for goats is very important in countries such as Ethiopia where the availability and use of more conventional feedstuffs is limited.


 

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