Morphological growth and carcass performance of crossbred beef × dairy cattle with expression of beef- versus dairy-type [0.03%]
Blake A Foraker,Bradley J Johnson,Ryan J Rathmann et al.
Blake A Foraker et al.
Considerable variance in the expression of beef- versus dairy-type among contemporary groups of beef × dairy cattle may contribute to management challenges and financial losses. The objective of this study was to evaluate influence of beef...
Effects of growth hormone implants on animal growth performance, feed intake, carcass characteristics, feeding behavior, gas flux emissions, and relative profitability of finishing Angus steers [0.03%]
Maya A Swenson,Juan J Vargas,John P Ritten et al.
Maya A Swenson et al.
The current study's objective was to assess the relationship between animal growth performance, feed intake, carcass traits, feeding behavior, gas flux, and relative profitability of implanted and non-implanted finishing Angus steers. Sixty...
Ciana M Bowhay
Ciana M Bowhay
Media literacy is increasingly vital in animal science education, where students face widespread misinformation about production practices, nutrition, and animal health and welfare. Students often overestimate their ability to discern credi...
Effect of ruminally protected lysine on growth and nitrogen balance of grain-finished beef cattle fed diets of decreasing protein concentration [0.03%]
ruminal保护型赖氨酸对低蛋白水平日粮育肥肉牛生长性能及氮平衡的影响
Donald S Herzog,Janghoon Jo,Daiki Nakajima et al.
Donald S Herzog et al.
Two experiments were conducted to determine the effect of ruminally protected lysine (AjiPro-L) supplementation on performance and nitrogen (N) balance of feedlot cattle fed decreasing concentrations of dietary protein. Diets contained (DM ...
Dietary high-purity tribromoethanol (TBE) supplementation reduces enteric methane emissions in beef cattle [0.03%]
高纯度三溴乙醇(TBE)补充剂可降低肉牛的肠道甲烷排放量
Robin Malik,John-Fredy Ramirez-Agudelo,Ermias Kebreab
Robin Malik
The livestock industry contributes substantially to global greenhouse gas emissions, with enteric methane (CH4) from ruminants representing a major source. Feed additives that suppress methanogenesis have emerged as promising strategies, pr...
The relationship of forage intake, residual feed intake, and greenhouse gas emissions between lactation and gestation in beef cows [0.03%]
肉牛在泌乳期和妊娠期的饲料采食量、残余(feed)摄取量以及温室气体排放的关系
Samuel R Talley,Emma A Briggs,Bailey J Tomson et al.
Samuel R Talley et al.
The objective of this research was to evaluate dry matter intake (DMI), residual feed intake (RFI), and greenhouse gas emissions between lactation and gestation in mature beef cows fed an unprocessed grass hay diet. A two-year experiment wa...
Effects of different feed additives on growth performance, carcass characteristics, and apparent total nutrient digestibility of finishing beef steers [0.03%]
不同饲料添加剂对育肥肉牛生产性能、屠体性状及饲粮养分表观消化率的影响
Enzo A Fioruci,Vinícius N Gouvêa,Reinaldo F Cooke et al.
Enzo A Fioruci et al.
The objective was to evaluate the effects of feed additives on intake, growth performance, apparent digestibility of nutrients, and ruminal fermentation characteristics of finishing beef cattle. In Experiment 1 (Exp. 1), fifty-six Angus-cro...
Effects of an enzyme blend in diets of different nutrient density fed to nursery pigs [0.03%]
低不同营养浓度的仔猪饲料中添加酶制剂的效果研究
Ty H Kim,Jamil E G Faccin,Mike D Tokach et al.
Ty H Kim et al.
Two 35-d experiments were conducted with four or five pigs per pen and 12 pens per treatment to determine the effects of an enzyme blend, containing carbohydrases and protease, in late nursery pig diets. In Exp. 1, 355 pigs (DNA 241 × 600,...
Effect of bromoform-based feed additive on methane emissions and performance of Nellore cattle in feedlot backgrounding and finishing phases [0.03%]
基于溴甲烷的饲料添加剂对 Nelore 牛背景和育肥阶段产甲烷排放和性能的影响
Matheus M Silva,Juliana D Messana,Arthur M Kirchhoff et al.
Matheus M Silva et al.
This study evaluated the effects of a bromoform based feed additive (BBFA) on growth performance and enteric methane emissions in Nellore cattle during feedlot backgrounding and finishing phases. Ninety-six Nellore bulls (10 ± 2 mo old, bo...
Use of cover crops as fall ungulate forage deterrents and subsequent spring livestock forage [0.03%]
牧草覆盖作物的秋季放牧阻抑作用及其后春季的放牧作用
Joel V Yelich,Melinda J Ellison
Joel V Yelich
In the western United States, high quality forages like alfalfa (Medicao sativa L.) and perennial fall grass pastures containing cereal grains, legumes (Fabaceae spp.), and brassica (Brassica spp.) are commonly utilized by wild ungulates li...