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Cited by 19Ruminant Nutrition and Digestive PhysiologyCrop Yield and Soil FertilityAnimal Nutrition and Physiology

Production response to corn silage produced from normal, brown midrib, or waxy corn hybrids

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Barlow, J.S., Bernard, J.K., Mullis, N.A.·2012·Journal of Dairy Science
DOI 10.3168/jds.2012-5345
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Abstract

The objective was to evaluate the nutrient intake and digestibility and milk production response of lactating dairy cows fed diets based on corn silage produced from 3 different types of corn hybrids. Experimental diets contained 36.4% of the dietary dry matter (DM) from corn silage produced from normal (Agratech 1021, AgraTech Seeds Inc., Atlanta, GA), brown midrib (BMR; Mycogen F2F797, Mycogen Seeds, Indianapolis, IN), or waxy (Master's Choice 590, Master's Choice Hybrids, Ullin, IL) hybrids. Thirty-six multiparous and primiparous Holstein cows (66 ± 22 d in milk, 41 ± 8 kg/d of milk) were used in an 11-wk completely randomized design trial during the fall of 2009. All cows were fed a diet containing normal corn silage during the first 2wk of the trial before being assigned to 1 of 3 treatments for the following 9 wk. Data collected during the first 2 wk were used as a covariate in the statistical analysis. No difference was observed in dry matter intake (DMI) among treatments, which averaged 22.6 kg/d. Milk yield was higher for cows fed BMR (37.6 kg/d) compared with waxy (35.2 kg/d) but was similar to that of cows fed control (36.2 kg/d). Milk fat percentage tended to be lower for cows fed control (3.28%) compared with those fed BMR (3.60%) or waxy (3.55%) corn silage. Milk protein percentage tended to be lower for cows fed control (2.79%) compared with waxy (2.89%) but similar to that of those fed BMR (2.85%). No differences were observed in yield of milk components. Energy-corrected milk (ECM) yield and dairy efficiency (ECM:DMI) did not differ among treatments. Cows fed BMR tended to gain more body weight compared with those fed control and waxy. Results of this trial are consistent with previous reports in which cows fed diets based on corn silage produced from BMR hybrids have higher milk yield compared with those fed other hybrids. Corn silage produced from the waxy hybrid supported a similar yield of ECM because of higher milk components, but milk yield was not improved compared with the control.

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  • Akay and Jackson and Moreira et al. observed higher milk yields when lactating cows were fed diets based on waxy maize silage compared to normal starch maize silage.

    “Akay and Jackson 48 and Moreira et al. 49 observed higher milk yields when lactating cows were fed diets based on waxy maize silage compared to normal starch maize silage.”

    From Nutritive value of maize silage in relation to dairy cow performance and milk quality (2015) · cites this paper as [48]

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Research works printed but not linked: 2

  1. [11]11. Coors, J. G., P. R. Carter, and R. B. Hunter. 1994. Silage corn. Pages 305-340 in Specialty Corns. A. R. Hallauer, ed. CRC Press, Boca Raton, FL.
  2. [13]13. Eastridge, M. L. 1999. Brown midrib corn silage. Pages 179-190 in Proc. Tri-State Dairy Nutrition Conf. The Ohio State University, Columbus.

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Authors
Barlow, J. S., Bernard, J. K., & Mullis, N. A.
Affiliations
University of Georgia (US)
Corresponding author
Bernard, J.K.
ORCID
Bernard, J.K.
Venue
Journal of Dairy Science
Publisher
American Dairy Science Association
Published
2012-08
Volume
95
Issue
8
Pages
4550-4555
ISSN
0022-0302 (ISSN-L)
DOI
10.3168/jds.2012-5345
OpenAlex
W2025994358
Semantic Scholar
17035798ccc57cc327ec07e562c6c5155eb91f1e
Cited by
19
References
20
Citations by year
2025: 2 · 2023: 2 · 2022: 1 · 2021: 1 · 2020: 1 · 2018: 1 · 2017: 2 · 2016: 2 · 2015: 3 · 2014: 2 · 2013: 1 · 2012: 1
FWCI
4.50
Type
journal article
Language
en
Open access
Licence
Locations
  • Journal of Dairy Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
University of Georgia
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Crop Yield and Soil Fertility
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
Keywords
corn silage, waxy corn, dairy cow milk production, lactating dairy cows, dry matter intake, nutrient digestibility, milk fat, milk protein, energy-corrected milk, weight gain, Holstein cows, maize hybrids
MeSH terms
Animals, Animal Nutritional Physiological Phenomena, Body Weight, Cattle, Chimera, Zea mays, Eating, Feces, Female, Lactation, Milk, Random Allocation, Silage

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