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12 articles for “feedlot”
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Research ArticleOpen accessEvery word in the titleA Greater dose of Ractopamine Hydrochloride Enhances Feedlot Performance and Impacts Carcass Characteristics of Calf-Fed Holstein SteersJerilyn E. Hergenreder, Jonathon L. Beckett, Zachary K. Smith, Bradley J. JohnsonThe objective was to evaluate the effects of supplementing ractopamine HCl at the rate of 400 mg steer1 daily in the final 28 d of the feeding period on growth performance and carcass characteristics of Holstein steers. Steers (n = 1,498; initial BW = 547 kg) were randomly assigned to pens (10 pens/treatment) and to a treatment: (1) 0 mg∙steer1∙d1 … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 1 · 24 Mar 2021 · 6,832 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePathologies of Acute Interstitial Pneumonia in Feedlot CattleJose A. Valles, Michael D. Apley, Chris D. Reinhardt et al.Acute Interstitial Pneumonia (AIP) is a costly issue that affects feedlot cattle. Research has yet to elucidate the etiology of AIP; therefore a case-control study was conducted to evaluate possible management and physiological factors that contribute to AIP in feedlot cattle. The experiment was conducted during the summer of 2011 in a commercial feedyard in Kansas. Animals exhibiting clinical signs … …American Journal of Animal and Veterinary Sciences, Vol. 11, Issue 1 · 30 Mar 2016 · 7,896 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleRemediation of Feedlot Nutrients Runoff by Electrocoagulation ProcessArjun Thapa, Shafiqur Rahman, Md. Saidul BorhanNutrient runoff from Concentrated Animal Feeding Operations (CAFOs) may cause ground and surface water pollution. Scientists and researchers are continually searching for appropriate technologies to mitigate feedlot nutrient runoff pollution. In this study, suitability of electrocoagulation treatment process was examined under laboratory conditions to mitigate nutrient pollutants from the feedlot runoff. Feedlot runoff was treated with three different type of … …American Journal of Environmental Sciences, Vol. 11, Issue 5 · 9 Nov 2015 · 7,080 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Effect of Early Weaning on Performance, Health Parameters, and Carcass Traits of Bonsmara Bull Calves Under Feedlot ConditionsKgotso Patrick Matli, Thobela Louis Tyasi, Pieter FourieA feedlot is an intensive farming system used for finishing livestock. This study analyzed the performance, health, and carcass traits of Early-Weaned Calves (EWC) and Traditionally-Weaned Calves (TWC). A total of 285 Bonsmara bull calves were grouped into two weaning strategies, with 136 EWC (255±27.30 kg) and 149 TWC (308±24.60 kg). Backgrounding was followed by a finishing phase, with a … …American Journal of Animal and Veterinary Sciences, Vol. 21, Issue 2 · 14 Aug 2026 · 1,233 accessesView PDFCite
Review ArticleOpen accessEvery word in the titleThe Influence of Bedding Application in Feedlot Cattle: A ReviewDathan Thomas Smerchek, Zachary Kidd Foster SmithA sizable portion of cattle on feed in the United States are fed in the Upper Midwest and Northern Plains region where temperatures routinely fall below freezing during late fall, winter and early spring. The persistent cold temperatures coupled with snow accumulation, wind, moisture and ice can cause undesirable pen conditions for confined cattle, ultimately resulting in decreased insulative capacity … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 1 · 23 Feb 2021 · 6,718 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of Dietary Herbal Antioxidants Supplemented on Feedlot Growth Performance and Carcass Composition of Male GoatsMorteza Karami, Abd Razak Alimon, Yong Meng Goh et al.Problem statement: In goats production, chevon, meat quality and shelf life are very important, dietary herbs and synthetic antioxidants as dietary supplementation, may be can improve growth performance and carcass characteristics of goats. Approach: Thirty-two male (mean live weight 13.0 kg and 8 months old) were assigned to four dietary treatments, namely, basal diet (control, CN) and basal diet supplemented … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 1 · 31 Mar 2010 · 9,732 accessesView PDFCite
Research ArticleOpen accessIn the keywordsImproving Performance of Replacement Heifers in Hot Arid Environment Under Intensive ManagementM. A. Razzaque, S. A. Mohammed, T. Al- Mutawa, M. BedairProblem statement: Imported Holstein Friesian dairy cattle are exposed to hot arid climate in feedlot management in Kuwait. Desert climate is extreme reaching high 45-50°C in summer and low -4ºC in winter at day and night respectively. High calf mortality, poor reproduction and milk yields were main constraints to viable dairying. The objectives of this study were to assess the … …American Journal of Animal and Veterinary Sciences, Vol. 4, Issue 4 · 31 Dec 2009 · 6,983 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDietary Management Strategies to Mitigate Decreased Feed Intake Associated with Terminal Implant Administration in Finishing Beef SteersAlexandria Kelly, Warren Rusche, Forest Francis et al.Re-implanting with a terminal implant often reduces subsequent dry matter intake (DMI). Crossbred steers (n = 27, initial body weight = 385 ± 30.8 kg) were used to assess the effects of locomotion immediately after terminal implantation and increased forage inclusion 7-d post-implantation on feed and water intake, rumination, and activity. Steers were implanted with 100 mg trenbolone acetate and … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 4 · 30 Oct 2024 · 4,854 accessesView PDFCite
Research ArticleOpen accessIn the keywordsIsoquinoline Alkaloids and the Ionophore Monensin Supplemented Alone or Combined on Ruminal Fermentation and Nutrient Digestibility in Steers Fed a High-Energy DietJesús D. Urías-Estrada, Beatriz I. Castro-Pérez, Alfredo Estrada-Angulo et al.The aim of this experiment was to investigate the Influence of Alkaloids (IQA) and sodium Monensin (MON) supplementation on characteristics of ruminal fermentation, microbial protein synthesis and site and extend of digestion. For this, 4 cannulated steers were used in a 4×4 Latin square design. Treatments consisted of a high-energy basal diet supplemented with: (1) No additive (Control), (2) 15 … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 3 · 7 Oct 2021 · 6,580 accessesView PDFCite
Research ArticleOpen accessIn the keywordsNose Color of Charolais × British Crossbred Beef Steers Alters Body Weight at a Common Degree of Fatness and Marbling Score in Steers Reared Under Similar Management from Birth through FinishingZachary K. SmithThis study evaluated differences in nose color (Black or Pink) on carcass traits and mature body weight in Charolais × British crossbred beef steers. Steers (n = 180; 280±18.2 kg) were weaned and fed for 244 days until harvest. The hypothesis was that steers with black noses had Black Angus dams and that steers with pink noses had Red Angus … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 4 · 7 Oct 2020 · 6,836 accessesView PDFCite