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Effects of feeding alfalfa stemlage or wheat straw for dietary energy dilution on nutrient intake and digestibility, growth performance, and feeding behavior of Holstein dairy heifers

Byline: Huawei Su (*,[Dagger]), Matt S. Akins [msakins@wisc.edu] (*,1), Nancy M. Esser ([double dagger]), Robin Ogden (s.), Wayne K. Coblentz (s.), Kenneth F. Kalscheur (#), Ron Hatfield (#) Key words dairy heifer; alfalfa stem; energy dilution; growth ABSTRACT Feeding high-quality forage diets may... Full description

Journal Title: Journal of Dairy Science September 2017, Vol.100(9), pp.7106-7115
Main Author: Su, Huawei
Other Authors: Akins, Matt S , Esser, Nancy M , Ogden, Robin , Coblentz, Wayne K , Kalscheur, Kenneth F , Hatfield, Ron
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0022-0302 ; E-ISSN: 1525-3198 ; DOI: 10.3168/jds.2016-12448
Link: https://www.sciencedirect.com/science/article/pii/S0022030217306355
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recordid: elsevier_sdoi_10_3168_jds_2016_12448
title: Effects of feeding alfalfa stemlage or wheat straw for dietary energy dilution on nutrient intake and digestibility, growth performance, and feeding behavior of Holstein dairy heifers
format: Article
creator:
  • Su, Huawei
  • Akins, Matt S
  • Esser, Nancy M
  • Ogden, Robin
  • Coblentz, Wayne K
  • Kalscheur, Kenneth F
  • Hatfield, Ron
subjects:
  • Dairy Heifer
  • Alfalfa Stem
  • Energy Dilution
  • Growth
  • Agriculture
ispartof: Journal of Dairy Science, September 2017, Vol.100(9), pp.7106-7115
description: Byline: Huawei Su (*,[Dagger]), Matt S. Akins [msakins@wisc.edu] (*,1), Nancy M. Esser ([double dagger]), Robin Ogden (s.), Wayne K. Coblentz (s.), Kenneth F. Kalscheur (#), Ron Hatfield (#) Key words dairy heifer; alfalfa stem; energy dilution; growth ABSTRACT Feeding high-quality forage diets may lead to excessive weight gains and over-conditioning for dairy heifers. Restriction of energy density and dry matter intake by using low-energy forages, such as straw, is a good approach for controlling this problem. Alfalfa stems contain high fiber and moderate protein content and have the potential to be used to replace straw to reduce dietary energy. The objective of this study was to compare nutrient intakes, digestibilities, growth performance, and feeding behaviors of dairy heifers offered an alfalfa silage/corn silage high-energy diet (HE; 13.1% crude protein, 65.4% total digestible nutrients, 39.7% neutral detergent fiber) with 2 energy-diluted diets that replaced various proportions of the corn or alfalfa silages with either alfalfa stemlage (STM; 12.6% crude protein, 59.1% total digestible nutrients, 46.4% neutral detergent fiber) or chopped wheat straw (WS; 12.6% crude protein, 61.9% total digestible nutrients, 43.7% neutral detergent fiber). Seventy-two pregnant Holstein heifers (16.8 [plus or minus] 1.3 mo) were stratified into 3 blocks (24 heifers/block) by initial body weight (light, 440 [plus or minus] 18.0 kg; medium, 486 [plus or minus] 18.6 kg; heavy, 534 [plus or minus] 25.1 kg), with each block composed of 3 pens (8 heifers/pen), with diets assigned randomly to 1 pen within the block. Diets were offered in a 56-d feeding trial. Both dry matter intake and energy intake were decreased with the addition of low-energy forages to the diets, but no differences in dry matter intake were observed across diluted diets. Digestibility of dry matter, organic matter, neutral detergent fiber, and apparent N were greater for HE compared with diluted diets, and for WS compared with STM. Total body weight gain (74 vs. 56 kg) and average daily gain (1.32 vs. 1.00 kg/d) were greater for heifers offered HE compared with diluted diets. Feed efficiency tended to be less for heifers offered the diluted diets compared with HE (10.7 vs. 8.6 kg of feed/kg of gain). Heifers did not sort for or against particles when offered HE. However, increased sorting behavior was observed for diluted diets. Compared with ad libitum feeding dairy heifers a diet with high nutrient c
language: eng
source:
identifier: ISSN: 0022-0302 ; E-ISSN: 1525-3198 ; DOI: 10.3168/jds.2016-12448
fulltext: fulltext
issn:
  • 0022-0302
  • 00220302
  • 1525-3198
  • 15253198
url: Link


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titleEffects of feeding alfalfa stemlage or wheat straw for dietary energy dilution on nutrient intake and digestibility, growth performance, and feeding behavior of Holstein dairy heifers
creatorSu, Huawei ; Akins, Matt S ; Esser, Nancy M ; Ogden, Robin ; Coblentz, Wayne K ; Kalscheur, Kenneth F ; Hatfield, Ron
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descriptionByline: Huawei Su (*,[Dagger]), Matt S. Akins [msakins@wisc.edu] (*,1), Nancy M. Esser ([double dagger]), Robin Ogden (s.), Wayne K. Coblentz (s.), Kenneth F. Kalscheur (#), Ron Hatfield (#) Key words dairy heifer; alfalfa stem; energy dilution; growth ABSTRACT Feeding high-quality forage diets may lead to excessive weight gains and over-conditioning for dairy heifers. Restriction of energy density and dry matter intake by using low-energy forages, such as straw, is a good approach for controlling this problem. Alfalfa stems contain high fiber and moderate protein content and have the potential to be used to replace straw to reduce dietary energy. The objective of this study was to compare nutrient intakes, digestibilities, growth performance, and feeding behaviors of dairy heifers offered an alfalfa silage/corn silage high-energy diet (HE; 13.1% crude protein, 65.4% total digestible nutrients, 39.7% neutral detergent fiber) with 2 energy-diluted diets that replaced various proportions of the corn or alfalfa silages with either alfalfa stemlage (STM; 12.6% crude protein, 59.1% total digestible nutrients, 46.4% neutral detergent fiber) or chopped wheat straw (WS; 12.6% crude protein, 61.9% total digestible nutrients, 43.7% neutral detergent fiber). Seventy-two pregnant Holstein heifers (16.8 [plus or minus] 1.3 mo) were stratified into 3 blocks (24 heifers/block) by initial body weight (light, 440 [plus or minus] 18.0 kg; medium, 486 [plus or minus] 18.6 kg; heavy, 534 [plus or minus] 25.1 kg), with each block composed of 3 pens (8 heifers/pen), with diets assigned randomly to 1 pen within the block. Diets were offered in a 56-d feeding trial. Both dry matter intake and energy intake were decreased with the addition of low-energy forages to the diets, but no differences in dry matter intake were observed across diluted diets. Digestibility of dry matter, organic matter, neutral detergent fiber, and apparent N were greater for HE compared with diluted diets, and for WS compared with STM. Total body weight gain (74 vs. 56 kg) and average daily gain (1.32 vs. 1.00 kg/d) were greater for heifers offered HE compared with diluted diets. Feed efficiency tended to be less for heifers offered the diluted diets compared with HE (10.7 vs. 8.6 kg of feed/kg of gain). Heifers did not sort for or against particles when offered HE. However, increased sorting behavior was observed for diluted diets. Compared with ad libitum feeding dairy heifers a diet with high nutrient content forages (corn silage and alfalfa silage), use of diet diluted with alfalfa stemlage or wheat straw is an effective feeding management strategy to control total daily dry matter and energy intake by increasing gut fill, and maintain desirable body condition and growth rates, even though the diluted diets had greater sortability. Author Affiliation: (*) Department of Dairy Science, University of Wisconsin, Madison 53706 ([Dagger]) State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China ([double dagger]) Marshfield Agricultural Research Station, University of Wisconsin, Marshfield 54449 (s.) USDA-Agricultural Research Service, US Dairy Forage Research Center, Marshfield, WI 54449 (#) USDA-Agricultural Research Service, US Dairy Forage Research Center, Madison, WI 53706 1 Corresponding author Article History: Received 13 December 2016; Accepted 15 May 2017
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titleEffects of feeding alfalfa stemlage or wheat straw for dietary energy dilution on nutrient intake and digestibility, growth performance, and feeding behavior of Holstein dairy heifers
description

Feeding high-quality forage diets may lead to excessive weight gains and over-conditioning for dairy heifers. Restriction of energy density and dry matter intake by using low-energy forages, such as straw, is a good approach for controlling this problem. Alfalfa stems contain high fiber and moderate protein content and have the potential to be used to replace straw to reduce dietary energy. The objective of this study was to compare nutrient intakes, digestibilities, growth performance, and feeding behaviors of dairy heifers offered an alfalfa silage/corn silage high-energy diet (HE; 13.1% crude protein, 65.4% total digestible nutrients, 39.7% neutral detergent fiber) with 2 energy-diluted diets that replaced various proportions of the corn or alfalfa silages with either alfalfa stemlage (STM; 12.6% crude protein, 59.1% total digestible nutrients, 46.4% neutral detergent fiber) or chopped wheat straw (WS; 12.6% crude protein, 61.9% total digestible nutrients, 43.7% neutral detergent...

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Feeding high-quality forage diets may lead to excessive weight gains and over-conditioning for dairy heifers. Restriction of energy density and dry matter intake by using low-energy forages, such as straw, is a good approach for controlling this problem. Alfalfa stems contain high fiber and moderate protein content and have the potential to be used to replace straw to reduce dietary energy. The objective of this study was to compare nutrient intakes, digestibilities, growth performance, and feeding behaviors of dairy heifers offered an alfalfa silage/corn silage high-energy diet (HE; 13.1% crude protein, 65.4% total digestible nutrients, 39.7% neutral detergent fiber) with 2 energy-diluted diets that replaced various proportions of the corn or alfalfa silages with either alfalfa stemlage (STM; 12.6% crude protein, 59.1% total digestible nutrients, 46.4% neutral detergent fiber) or chopped wheat straw (WS; 12.6% crude protein, 61.9% total digestible nutrients, 43.7% neutral detergent...

pubElsevier Inc
doi10.3168/jds.2016-12448
lad01Journal of Dairy Science
date2017-09