Effects of method of processing broiler litter on feed intake and performance by meat goat doelings
Goetsch, A. L., G. D. Detweiler, and T. SahluProfessional Animal Scientist 27:553-560. 2011
Forty-eight Boer goat doelings, 10.4 ± 0.13 mo of age and 27.1 ± 0.98 kg BW, were used in a 9-wk experiment to compare feeding value of deep-stacked (DS) and ensiled (EN) broiler litter (BL). The BL was processed for 82 d before use. Treatments were feeding 1% BW (DM) of a 3:1 corn-soybean meal mixture and moderate to high-quality grass hay free-choice (Cont-Hay); 1% BW hay and the concentrate mixture free-choice (Cont-Conc); 1% BW hay, 1.1% BW corn, and DS or EN free-choice (DS-Low and EN-Low, respectively); and 1% BW hay and DS or EN free-choice (DS-High and EN-High, respectively). Daily samples of DS and EN averaged 70.9 and 73.3% OM (DM basis), 21.8 and 23.2% CP, and 34.0 and 37.2% NDF, respectively. Total OM intake was less for High vs. Low BL treatments (P < 0.05), similar between DS-Low and EN-Low, and greater (P < 0.05) for EN-High than for DS-High (1,025, 1,199, 829, 952, 470, and 631 g/d for Cont-Hay, Cont-Conc, DS-Low, EN-Low, DS-High, and EN-High, respectively; SE = 64.0). There were similar differences (P < 0.05) in ADG (126, 234, 58, 75, -46, and -8 g; SE = 10.1) and ADG:DMI (118, 188, 60, 66, -84, and -11 g/kg for Cont-Hay, Cont-Conc, DS-Low, EN-Low, DS-High, and EN-High, respectively; SE = 12.7). In conclusion, feeding value of DS and EN for yearling meat goat doelings appears similar with moderate dietary levels, but with limited consumption of other feedstuffs, feeding value of EN may be greater.
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