Use of barley silage or corn silage with dry-rolled barley, corn, or a blend of barley and corn on predicted nutrient total tract digestibility and growth performance of backgrounding steers

Sutherland, B.D.; Johnson, Jim; McKinnon, J. J.; McAllister, Tim A.; Penner, G.B.

doi:10.1139/cjas-2019-0198

Cited by 5 publications

(1 citation statement)

References 33 publications

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“…Owens et al [ 51 ] reviewed feeding trials of cattle fed high-concentrate diets, mainly in North America, and reported no significant difference in DM intake, average daily gain, or feed-to-gain ratio between barley or maize (corn), averaged across a range of processing methods, which concurs with the present findings. Likewise, Sutherland et al [ 52 ] found no difference in DM intake, average daily gain or feed efficiency in ‘backgrounding’ steers offered barley silage or maize silage supplemented (0.45 of dietary DM) with either dry-rolled barley, dry-rolled maize or an equal mixture of both grains. In contrast, Steen [ 53 ] reporting on ‘unpublished’ research found that the feeding value of maize meal was 15% greater than rolled barley when offered to finishing beef cattle as a supplement to grass silage.…”

Section: Discussionmentioning

confidence: 99%

Intake, Growth and Carcass Traits of Steers Offered Grass Silage and Concentrates Based on Contrasting Cereal Grain Types Supplemented with Field Beans, Peas or Maize By-Products

Kennedy

Moloney

O’Riordan

et al. 2023

Animals

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The study objective was to determine intake and performance of beef cattle individually offered perennial ryegrass-dominant grass silage ad libitum supplemented with 4 kg dry matter daily of, rolled barley or maize meal-based concentrate rations containing supplements of flaked field beans, flaked peas, maize dried distillers grains (MDD) or maize gluten feed (MGF) for 110 days (Experiment 1), rolled barley or rolled oats with or without supplements of flaked field beans or flaked peas for 146 days (Experiment 2), and to quantify the nitrogen balance of diets similar to those offered in Experiment 2 (Experiment 3). The protein supplements were formulated to have similar crude protein concentrations. Cereal type or protein source did not affect intake, growth, feed efficiency and carcass traits in Experiment 1 or 2. Inclusion of a legume protein supplement with barley or oats had no effect on intake or growth performance (Experiment 2), whereas their exclusion decreased nitrogen intake, plasma urea concentrations and urinary and total nitrogen excretion (Experiment 3). The feeding value of barley was similar to oats and maize meal, and flaked beans and peas were similar to MGF and MDD, as supplements to grass silage. Excluding protein ingredients from a cereal-based concentrate did not affect animal performance and reduced nitrogen excretion.

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Section: Discussionmentioning

confidence: 99%

Intake, Growth and Carcass Traits of Steers Offered Grass Silage and Concentrates Based on Contrasting Cereal Grain Types Supplemented with Field Beans, Peas or Maize By-Products

Kennedy

Moloney

O’Riordan

et al. 2023

Animals

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Effects of barley and corn as sources of silage and grain on dry matter intake, ruminal fermentation, and total-tract digestibility in growing beef heifers

et al. 2021

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The objective of this study was to evaluate the use of barley (BS) or corn (CS) silage when fed with dry-rolled barley (BG), corn (CG), or an equal blend (BCG) of BG and CG for backgrounding cattle. Ruminally cannulated heifers (n=5) were assigned to an incomplete 6 × 6 Latin square design. Treatments contained either BS or CS in combination with BG, CG, or BCG. Samples were collected to determine DMI, ruminal fermentation, total-tract nutrient digestibility, and nitrogen balance. Interactions between cereal silage and cereal grain sources were detected for the molar proportions of propionate and butyrate where the magnitude of change with the type of cereal grain was increased in heifers fed CS relative to BS. Feeding CS increased estimated microbial N production (silage, P = 0.022) and fecal N excretion (silage, P = 0.042) over BS. Diets containing BG had greater DM, OM, starch, and GE digestibility values compared to CG, but values for BCG were not different (grain, P ≤ 0.043). Based on limited silage x grain interactions, use of CS in backgrounding diets may increase microbial N production relative to BS and dry-rolled CG may reduce apparent total-tract nutrient digestibility relative to dry-rolled BG.

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Performance and ruminal fermentation of second-trimester pregnant beef cows fed short-season high-moisture corn stover or barley greenfeed during winter in western Canada

Carey,

Lardner,

McAllister

et al. 2024

Can. J. Anim. Sci.

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This study evaluated performance and ruminal fermentation for cows fed short-season high-moisture shelled corn stover with corn dried distillers’ grains with solubles (COR) or barley greenfeed (BAR) that was either swathed (S-COR; S-BAR; Experiment 1) or baled (B-COR; B-BAR; Experiment 2) as winter-feeding systems. In Experiment 1, cows were randomly assigned to S-COR or S-BAR and fed for 52 d in the fields where crops were grown. Body weight (BW), subcutaneous rib and rump fat, and body condition score (BCS) were measured, with no differences detected between treatments (P > 0.05). However, S-COR had lower estimated dry matter intake (DMI) than S-BAR (P ≤ 0.03). In Experiment 2, cows were assigned to B-COR or B-BAR for 42 d and fed in field paddocks. Cows fed B-COR had lesser (P ≤ 0.01) DMI, final BW, rib fat, rump fat, and BCS than B-BAR, with no differences (P > 0.05) for ruminal pH. Total SCFA concentration was greater (P ≤ 0.05) on d 21 for B-BAR than B-COR, but not on d 42. Under western Canadian conditions COR may reduce DMI and performance of pregnant cows suggesting that additional preservation and supplementation strategies should be investigated.

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Use of barley silage or corn silage with dry-rolled barley, corn, or a blend of barley and corn on predicted nutrient total tract digestibility and growth performance of backgrounding steers

Cited by 5 publications

References 33 publications

Intake, Growth and Carcass Traits of Steers Offered Grass Silage and Concentrates Based on Contrasting Cereal Grain Types Supplemented with Field Beans, Peas or Maize By-Products

Intake, Growth and Carcass Traits of Steers Offered Grass Silage and Concentrates Based on Contrasting Cereal Grain Types Supplemented with Field Beans, Peas or Maize By-Products

Effects of barley and corn as sources of silage and grain on dry matter intake, ruminal fermentation, and total-tract digestibility in growing beef heifers

Performance and ruminal fermentation of second-trimester pregnant beef cows fed short-season high-moisture corn stover or barley greenfeed during winter in western Canada

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