Reducing the environmental footprint through nutrition and management

1505

Methane and carbon dioxide emissions from manure of dairy cows fed red clover- or corn silage-based diets supplemented with linseed oil
Fadi Hassanat, Agriculture and Agri-Food Canada, Dairy and Swine Research and Development Centre; Daniel I Massé, Agriculture and Agri-Food Canada, Dairy and Swine Research and Development Centre; Chaouki Benchaar, Agriculture and Agri-Food Canada, Dairy and Swine Research and Development Centre

1506

Life cycle assessment of heavy pig production in a sample of Italian farms
Giacomo Pirlo, Consiglio per la ricerca e sperimentazione in agricoltura; Sara Carè, Consiglio per la ricerca e sperimentazione in agricoltura; Giacinto Della Casa, Consiglio per la ricerca e sperimentazione in agricoltura; Rosa Marchetti, Consiglio per la ricerca e sperimentazione in agricoltura; Gilda Ponzoni, Consiglio per la ricerca e sperimentazione in agricoltura; Valerio Faeti, Consiglio per la ricerca e sperimentazione in agricoltura; Valentina Fantin, ENEA; Paolo Msoni, ENEA; Patrizia Buttol, ENEA; Francesca Falconi, LCA-Lab

1507

Control of Water Consumption in Swine Barns; One Step-Closer to Real Time Management
Carlos Pineiro, PigCHAMP Pro Europa; Pedro Castro, PigCHAMP Pro Europa; Joaquin Morales, PigCHAMP Pro Europa; Gema Montalvo, PigCHAMP Pro Europa

1508

Increasing milk yield affects sustainability of dairy cattle production in terms of cultural energy use efficiency
Hayati Koknaroglu, Suleyman Demirel University; Hakan Saglam, Suleyman Demirel University; Ozgur Koskan, Suleyman Demirel University

1509

Effect of astaxanthin production by the yeast phaffiarhodozyma on growth performance, blood profiles, meat quality, and slurry noxious gas emission in broilers
SeungCheol Kim, Department of Animal Science, Dankook University; Santi-Devi Upadhaya, Department of Animal Science, Dankook University; In-Ho Kim, Department of Animal Science, Dankook University

1510

Assessing variability in whole-farm environmental impact estimates using a partially-stochastic beef production model
Kristen A. Johnson, Washington State University; Robin R. White, Washington State University

1511

Environmental Assessment of a Representative Grass-finished Beef Operation in Southern Pennsylvania
Jasmine A Dillon, Department of Animal Science, Pennsylvania State University; C. Alan Rotz, USDA-ARS Pasture Systems and Watershed Management Research Unit

1512

A modeling assessment of cow management decisions, sustainability and durability of beef production systems
Robin R. White, Washington State University; Kristen A. Johnson, Washington State University

1513

Nitrogen excretion from beef cattle for 6 cover crop mixes as estimated by a nutritional model
Elaine E Grings, South Dakota State University; Adolf Sackey, South Dakota State University; Matthew J Hansen, South Dakota State University; Vance Owens, South Dakota State University; Dwayne Beck, South Dakota State University; Peter Sexton, South Dakota State University

1514

Effect of crude glycerin associated with energy sources on enteric methane emission from finishing Nellore bulls on pasture in the dry season
Antônio José Neto, Universidade Estadual Paulista "Julio de Mesquita Filho"; Luiz Gustavo Rossi, Universidade Estadual Paulista; Andressa F Ribeiro, Universidade Estadual Paulista "Júlio de Mesquita Filho" / Unesp; Bruno R. Vieira, Universidade Estadual Paulista Júlio de Mesquita Filho; Erick Escobar Dalanttonia, Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP; Juliana Duarte Messana, Universidade Estadual Paulista; Eduardo Garbin Sgobi, Universidade Estadual Paulista; Telma T Berchielli, Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP

1515

Enteric methane emission from beef cattle fed diets containing crude glycerin associated with energy sources
Luis Gustavo Rossi, Universidade Estadual Paulista; Antônio José Neto, Universidade Estadual Paulista "Julio de Mesquita Filho"; Bruno R. Vieira, Universidade Estadual Paulista Júlio de Mesquita Filho; Erick Escobar Dalanttonia, Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP; Arturo S Gómez I, Universidade Estadual Paulista Júlio de Mesquita Filho; Telma T Berchielli, Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP

1516

Using fecal phosphorus, calcium and ash excretion to predict total and inorganic phosphorus intake of beef cattle consuming a forage-based ration
Deidre D. Harmon, Virginia Polytechnic Institute and State University; Jason K. Smith, Virginia Tech; Mark A. McCann, Virginia Polytechnic Institute and State University

1517

Influence of low doses tannins extract addition on the presence of Escherichia coli in feces of beef cattle
Teresa de J. Heras, FMVZ-Universidad Autónoma de Sinaloa; Idalia Enriquez, FMVZ-Universidad Autónoma de Sinaloa; Billy J. Cervantes, Ganadera los Migueles, S.A. de C.V.; Soila M. Gaxiola, FMVZ-Universidad Autónoma de Sinaloa; Javier A. Romo, FMVZ-Universidad Autónoma de Sinaloa; Ruben Barajas, FMVZ-Universidad Autónoma de Sinaloa

1518

Phosphorus excretion in beef steers as impacted by increasing levels of dicalcium phosphate supplementation
Elizabeth A Riley, Virginia Tech; Deidre D. Harmon, Virginia Polytechnic Institute and State University; Jason K. Smith, Virginia Tech; Abigail L Zezeski, Virginia Tech; Scott P. Greiner, Virginia Tech; Katharine F. Knowlton, Virginia Tech; Mark A. McCann, Virginia Polytechnic Institute and State University

1519

Estimation of Heat Production and Energy Conversion Efficiency Using Real Time Measurements of Methane and Carbon Dioxide Fluxes in Mid-Lactation Holstein Cows
Andre B. D. Pereira, University of New Hampshire; Andre F Brito, University of New Hampshire; Santiago A. Utsumi, Dept. of Animal Science, Michigan State University

1520

Effect of dietary nitrate and organic copper supplementation on dairy enteric methane and nitrous oxide emissions
Samantha J Werth, University of California, Davis; Qian Wang, University of California, Davis; Clayton J. Neumeier, University of California, Davis; Girma Getachew, University of California, Davis; Daniel H Putnam, University of California, Davis; Alejandro R. Castillo, University of California Cooperative Extension; Frank M. Mitloehner, University of California, Davis

1521

Influence of tannins extract addition on in vitro gas production of feces from beef cattle
Ruben Barajas, FMVZ-Universidad Autónoma de Sinaloa; Eva X. Murillo, FMVZ-Universidad Autónoma de Sinaloa; Nohemi Castro, FMVZ-Universidad Autónoma de Sinaloa; Ernesto A. Velazquez, FMVZ-Universidad Autónoma de Sinaloa

1522

Quantification of Cephapirin in Dairy Cow Feces and Urine using Solid Phase Extraction (SPE) coupled with Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC/MS/MS)
Partha Pratim Ray, Department of Dairy Science, Virginia Polytechnic Institute and State University; Katharine F. Knowlton, Virginia Tech; Chao Shang, Department of Crop and Soil Environmental Sciences, Virginia Polytechnic Institute and State University; Kang Xia, Department of Crop and Soil Environmental Sciences, Virginia Polytechnic Institute and State University

1523

Method Development and Application: Solid Phase Extraction (SPE) Clean-up and Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC/MS/MS) Quantification of Pirlimycin in Dairy Cow Feces and Urine
Partha Pratim Ray, Department of Dairy Science, Virginia Polytechnic Institute and State University; Katharine F. Knowlton, Virginia Tech; Chao Shang, Department of Crop and Soil Environmental Sciences, Virginia Polytechnic Institute and State University; Kang Xia, Department of Crop and Soil Environmental Sciences, Virginia Polytechnic Institute and State University

1524

A larger proportion of grass feed components in the ration was associated with higher methane production rates of dairy cows
Cornelia C. Metges, Leibniz Institute for Farm Animal Biology (FBN); Michael Derno, Leibniz Institute for Farm Animal Biology (FBN); Johanna Ziessler, Leibniz Institute for Farm Animal Biology (FBN); Nina Krattenmacher, Institute of Animal Breeding and Husbandry, Kiel University; Georg Thaller, Christian-Albrechts-Universität; Björn Kuhla, Leibniz Institute for Farm Animal Biology (FBN)

1525

EFFECT OF ECO-SALINE SYSTEM ON SOME HEMATOLOGICAL AND BIOCHEMICAL PARAMETERS IN DAMASCUS GOATS RAISED UNDER SEMI-ARID CONDITIONS
Essmat Bakry Abdalla, Faculty of Agriculture, Ain Shams University; H A Gawish, Animal and Poultry Production Division, Desert Research Center; A S El-Hawy, Animal and Poultry Production Division, Desert Research Center; A M El-Sherbiny, Faculty of Agriculture, Ain Shams University

1526

Fibrolytic bacteria isolated from the rumen of North American moose (Alces alces)
Suzanne L Ishaq, University of Vermont; Andre-Denis G Wright, University of Vermont