Use of a pelleted corn-residue complete feed in calf receiving diets
2015
Peterson, S.J. | Nuttelman, B.L. | Burken, D.B. | Luebbe, M.K. | Erickson, G.E. | MacDonald, J.C.
A receiving experiment compared a complete pelleted feed (PEL) to a mixed receiving diet (CON) on performance and morbidity of newly received calves. The pellets consisted primarily of corn residue and were designed to replace a conventional grain and forage diet, whereas CON consisted of 32% distillers grains, 32% dry-rolled corn, 32% alfalfa, and 4% supplement to provide vitamins, minerals, and 150 mg per steer monensin daily. The experiment used crossbred steer calves (n = 1,318; initial BW = 266 ± 1.57 kg) in 2 separate locations (an eastern Nebraska location and a western Nebraska location). Within location, steers were blocked by date received and source, and then assigned randomly to pen. Pens within location were assigned randomly to CON or PEL. A treatment × location interaction was observed for DMI (P = 0.03). At the western Nebraska location, no difference in DMI was observed (5.8 vs. 5.9 kg/d for CON and PEL, respectively; P = 0.46); however, DMI was greater for PEL at the eastern Nebraska location (6.7 vs. 7.0 kg/d for CON and PEL, respectively; P < 0.01). No treatment × location interaction was detected for ADG or G:F (P > 0.18). The PEL decreased ADG and G:F (P < 0.01) compared with the CON. Morbidity did not differ among treatments (P = 0.13). Receiving calves on PEL may have a positive effect on DMI but a negative effect on ADG and G:F when compared with a traditional receiving diet.
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