357 Two-year study: Effect of backgrounding system on growing and finishing performance and carcass characteristics of beef steers

Cox, Jordan L.; Hales, K. E.; Ulmer, K. M.; Rasby, Richard J.; Shackelford, S. D.; Freetly, H. C.; Drewnoski, Mary E.

doi:10.2527/asasmw.2017.357

Cited by 1 publication

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“…Cox et al. (2017) reported weaned growing beef calves grazing a mixture of brassicas planted after corn silage performed similarly to calves grazing cornstalk residue and supplemented with 2.7 kg day −1 of dried distillers grains. However, grazing the brassica mixture improved the economics of cattle production compared with dried distillers grains supplement and residue grazing when comparing costs over a 5‐year period.…”

Section: Cover Crops As Livestock Foragementioning

confidence: 99%

Grazing cover crops: How does it influence soils and crops?

Blanco‐Canqui,

Wilke,

Holman

et al. 2023

Agronomy Journal

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Grazing cover crops (CCs) can potentially generate economic benefits, but how this practice affects soils and crop production compared with non‐grazed CCs is not well understood. We reviewed all published literature up to 6 Dec 2022 on grazing CCs to evaluate how this practice impacts soils and crop production and to discuss potential factors that may influence grazing CC effects. The emerging literature indicates 18% to 92% of CC biomass was removed when grazed. Grazing CCs increased soil bulk density and penetration resistance (compaction indicators) in 54% of cases (6 of 11 studies). However, the increase in soil compaction as measured by penetration resistance generally remained below the root‐growth threshold level (< 2 MPa). Grazing CCs had small and mixed effects on soil C concentration, wet aggregate stability, water infiltration, water retention, and soil microbial biomass. Also, grazing did not affect subsequent crop yields in 61% of cases (8 of 13 studies) or had variable effects. Grazing at high stocking rates or when soils are wet can result in soil compaction and potentially reduce subsequent crop yields. Additional long‐term (> 5 yr) data are needed to better discern CC grazing implications for different climates, stocking rates, soil types, CC grazing infrastructure, and CC management practices. Particularly, data on CC grazing from water‐limited regions (i.e., semiarid regions) are scant. Success with CCs in water‐limited regions depends on timely precipitation input unless irrigated. Overall, grazing of CCs under proper management has small or no effects on soils and crop yields.This article is protected by copyright. All rights reserved

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Section: Cover Crops As Livestock Foragementioning

confidence: 99%