Results 81 to 90 of about 340,300 (232)
Immunology and Prevention of Infection in Feedlot Cattle
Veterinary Clinics of North America: Food Animal Practice, 1998 This article reviews the basic types of immunity, the factors relevant to feedlot cattle that have been shown to suppress immune function, and what is known about the basis of protective acquired immunity against the common bovine respiratory pathogens.
Roth, James A., Perino, Louis J.
openaire +2 more sources
THE VALUE OF PRECONDITIONING PROGRAMS IN BEEF PRODUCTION SYSTEMS [PDF]
Net returns to feeding were calculated for preconditioning. The added value to cattle feeders, without accounting for death loss, from purchasing preconiditioned calves over calves of unknown origin is $46.83/head and $49.54/head for the CPH and GT ...
Roeber, D.L., Umberger, Wendy J.
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Phosphorus use in cattle nutrition in Brazil: evaluation of fecal losses to the environment and strategies for its reduction [PDF]
Arquivo Brasileiro de Medicina Veterinária e ZootecniaPhosphorus (P) excretion in faces from livestock is a significant contributor to environmental pollution, particularly in confined feeding systems. The potential economic cost of excessive P intake and excretion in cattle production systems has also been
P. Malafaia, V.C. Souza, D.F.A. Costa
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OPTIMAL HEDGING STRATEGIES FOR THE U.S. CATTLE FEEDER [PDF]
Multiproduct optimal hedging for simulated cattle feeding is compared to alternative hedging strategies using weekly price data for 1983-95. Out-of-sample means and variances of hedged feeding margins using estimated hedge ratios for four commodities ...
Noussinov, Mikhail A. +1 more
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RETURNS TO SORTING AND MARKET TIMING OF ANIMALS WITHIN PENS OF FED CATTLE [PDF]
This research examines returns to cattle feeding operations that sort animals prior to marketing using ultrasound technology. The returns to sorting are between $11 and $25 per head depending on the number of groups the pens into which cattle can be ...
Koontz, Stephen R. +3 more
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The Affect of Animal Gender on Fed Cattle Producer Marketing Behavior [PDF]
Weekly grid market share by volume for slaughter steers is compared to slaughter heifers. Summary statistics indicate average grid market share for steers (42%) is 27% higher than slaughter heifers (33%).
Lange, Brent +4 more
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ESTIMATING THE VALUE OF SOURCE VERIFICATION OF FEEDER CATTLE [PDF]
Source-verified (SV) feeder cattle auctions were held in Bloomfield, Iowa, each October, November, and December from 1997-2000. This study compares price data from these SV auctions to traditional auctions at the same location to determine whether a ...
Yeboah, Godfred, Lawrence, John D.
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Various factors involved in control, treatment, and investigation of bovine respiratory disease in high risk feedlot cattle [PDF]
Doctor of PhilosophyDepartment of Animal Science and IndustryChristopher D. ReinhardtDaniel U. ThomsonBovine Respiratory Disease Complex (BRDC) is the most common and costly disease in feedlot cattle in North America. Annual economic losses are estimated
Torres, Siddartha
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Pesquisa Veterinária Brasileira, 2003 The epidemiology, clinical picture and pathology of an outbreak of urolithiasis in cattle in southern Brazil are described. The disease occurred in August 1999 in a feedlot beef cattle herd. Five out of 1,100 castrated steers were affected.
Loretti Alexandre Paulino +3 more
doaj
Frontiers in SustainabilityIntroductionThe present study investigates the combined impact of adding a common agricultural waste by-product alternative feed (cull potatoes) to the diet of feedlot cattle on both economic profitability and greenhouse gas (GHG) emissions.MethodsA ...
Emma C. Stephens +4 more
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