Thematische Bibliographien / Cattle, canada

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Auswahl der wissenschaftlichen Literatur zum Thema „Cattle, canada“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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Zeitschriftenartikel zum Thema "Cattle, canada"

Sundman, Emiline R., Suzanne T. Millman, Karen S. Schwartzkopf-Genswein, et al. "328 Assessment of chronically ill or injured feedlot cattle populations at eight United States and nine Canadian feedlots and implications for cattle welfare." Journal of Animal Science 102, Supplement_3 (2024): 11–12. http://dx.doi.org/10.1093/jas/skae234.012.

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Abstract Cattle health management in the feedlot sector continues to evolve and improve cattle welfare by promoting an understanding of illness and injury to minimize their effects. Many papers have focused on treating individual ill or injured cattle in cattle feeding facilities. However, care, treatment, and outcomes for chronically ill or injured cattle (“chronic cattle”) have received little attention in the literature. The purpose of this descriptive study was to present demographics, diagnoses, and outcomes of chronic cattle in 17 feedlots in the U.S. and Canada and discuss potential ris

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Fleming, Allison L., Daniel P. Hays, Stephen Moore, Graham Plastow, and Stephen P. Miller. "History of the Hays Converter." Canadian Journal of Animal Science 96, no. 4 (2016): 471–77. http://dx.doi.org/10.1139/cjas-2015-0201.

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The Hays Converter breed of beef cattle was developed in Alberta, Canada, by Harry Hays in the 1950s. Hays combined specific individuals of the Hereford, Holstein, and Brown Swiss breeds to create an animal with exceptional growth and maternal abilities. In 1975, it became the first breed of cattle developed in Canada to be recognized under the Canadian Livestock Pedigree Act. The breed still exists in small numbers across Canada and represents an important part of Canadian agriculture history.

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Barrett, David C. "Cattle Review." Livestock 28, no. 3 (2023): 121. http://dx.doi.org/10.12968/live.2023.28.3.121.

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Introduction: In this Cattle Review we consider a paper on prioritising practical skills for UK veterinary graduates, and two recent papers featuring antimicrobial resistance related research undertaken in Canada. All three papers are open access and easily available.

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Rehbein, Steffen, and Martin Visser. "Is Chorioptes texanus to Displace Chorioptes bovis? Notes on the Mites Causing Bovine Chorioptic Mange in Central Europe." Diversity 16, no. 4 (2024): 199. http://dx.doi.org/10.3390/d16040199.

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Chorioptic mange is the most common type of bovine mange in central Europe, affecting mainly housed dairy cattle. Until 1976, when Chorioptes texanus were described for the first time from mangy cattle in Brazil, bovine chorioptic mange was thought to be caused only by C. bovis mites. In Europe, C. texanus parasitism in cattle was for the first time reported in Germany in 1998. Following the repeated diagnosis of C. texanus mites in skin scrapings from local cattle in recent years, scrapings from cattle that were clinically suspicious for chorioptic mange were requested and provided during the

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KOOTS, K. R., and G. H. CROW. "BREED STRUCTURE OF PEDIGREED HEREFORD CATTLE IN CANADA." Canadian Journal of Animal Science 69, no. 3 (1989): 627–34. http://dx.doi.org/10.4141/cjas89-075.

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A study of the Canadian pedigreed Hereford cattle population was carried out to determine breed structure and to determine if interherd selection decisions were related to measures of performance. The group of calves born in 1982 (N = 53 352) was the reference population for this study. There was a clear subdivision of the pedigreed population according to the horned-polled status of individuals. 52.54% of calves were phenotypically polled calves with both parents polled, 41.82% of calves were horned calves with both parents horned; the remaining calves were the result of mating parents of dif

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STANFORD, K., J. STITT, J. A. KELLAR, and T. A. MCALLISTER. "Traceability in cattle and small ruminants in Canada." Revue Scientifique et Technique de l'OIE 20, no. 2 (2001): 510–22. http://dx.doi.org/10.20506/rst.20.2.1291.

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Bach, S. J., T. A. McAllister, D. M. Veira, V. P. J. Gannon, and R. A. Holley. "Transmission and control of Escherichia coli O157:H7 — A review." Canadian Journal of Animal Science 82, no. 4 (2002): 475–90. http://dx.doi.org/10.4141/a02-021.

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Escherichia coli 157:H7 has evolved as an important foodborne pathogen since its initial description in 1982. Outbreaks of illness associated with E. coli O157:H7 have been reported throughout the northern hemisphere, most frequently in Canada, the United States, Japan, and the United Kingdom. In Canada, infections due to E. coli O157: H7 appear to be more common in the western provinces than in the east, in rural vs. urban environments, and during summer as opposed to winter months. Undercooked ground beef has been implicated as the primary vehicle in E. coli O157:H7 infection, but contaminat

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Hansen, C., J. N. B. Shrestha, R. J. Parker, G. H. Crow, and J. N. Derr. "Genetic base and inbreeding of Canadienne, Brown Swiss, Holstein and Jersey cattle in Canada." Animal Genetic Resources Information 33 (April 2003): 11–19. http://dx.doi.org/10.1017/s1014233900001590.

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SummaryThe narrowing of the genetic base is of major concern to many cattle breeders and this is a consequence of a small effective population size and an increase in the inbreeding coefficient in cattle populations. Studies of pedigrees of cattle populations found in Canada showed that the effective population size and rate of inbreeding over a 12-year period (1983–94) were 123 and 0.412 percent for Canadienne, 975 and 0.054 percent for Brown Swiss, and 2 183 and 0.024 percent for Jersey cattle populations. Over the same period, the year to year trends in inbreeding coefficients based on co-a

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Sheppard, S. C., and S. Bittman. "Farm practices as they affect NH3 emissions from beef cattle." Canadian Journal of Animal Science 92, no. 4 (2012): 525–43. http://dx.doi.org/10.4141/cjas2012-055.

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Sheppard, S. C. and Bittman, S. 2012. Farm practices as they affect NH 3 emissions from beef cattle. Can. J. Anim. Sci. 92: 525–543. Beef cattle farms in Canada are very diverse, both in size and management. Because the total biomass of beef cattle in Canada is larger than any other livestock sector, beef also has the potential for the largest environmental impact. In this study we estimate NH3 emissions associated with beef cattle production across Canada using data on farm practices obtained from a detailed survey answered by 1380 beef farmers in 11 Ecoregions. The farms were various combina

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Imai, S., S. S. Han, K. J. Cheng, and H. Kudo. "Composition of the rumen ciliate population in experimental herds of cattle and sheep in Lethbridge, Alberta, Western Canada." Canadian Journal of Microbiology 35, no. 7 (1989): 686–90. http://dx.doi.org/10.1139/m89-112.

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Rumen ciliate populations were surveyed in 11 Holstein cattle and 6 sheep in Lethbridge (Alta., Canada) to determine species distribution in this Western Canadian environment. A total of 28 ciliate species were identified in cattle and 17 in sheep. The average total number of ciliates per millilitre of rumen content was 6.9 × 104 in cattle and 1.9 × 105 in sheep. The average number of species per host was 20.5 in cattle and 13.8 in sheep. Of the ciliate species detected, species of Entodinium appeared most frequently both in cattle and in sheep. Diplodinium polygonale, Eodinium lobatum, Eo. mo

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Dissertationen zum Thema "Cattle, canada"

Kakwaya, Damian Saranga Muhongo. "Canadian/New Zealand genotype-environment interaction trial : comparison of growth traits of Canadian and New Zealand dairy cattle in Canada." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/29883.

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This study, being part of a larger project - "Canadian/New Zealand GxE Interaction Trial" - is comparing Canadian and New Zealand sired heifers for growth traits within Canada, since differences for growth traits were found in the Polish strain comparison (Jasiorowski et al., 1987) and due to selection programs in the two countries. Twenty Canadian Holstein and twenty New Zealand Friesian progeny tested, A.I. bulls were randomly mated to over 1,000 cows in 10 Canadian herds. 3,539 records of weight and wither height from 475 heifers (i.e. 241 Canadian and 234 New Zealand sired) were generated

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Xu, Xiaoqiong 1982. "The effect of BSE on the pricing behaviour of the Canadian cattle slaughtering industry /." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=101695.

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The closure of the US border to Canadian live cattle and beef products after the confirmation of a single Canadian BSE case in May, 2003 seriously jeopardized the Canadian beef cattle industry, which had relied heavily on exports. The inventory of cattle rapidly increased and farmers were paid record low prices for live cattle. But at the same time, the cattle slaughtering industry experienced a substantial increase in profits. The enlarged price spread between the value of live cattle and beef steak raised concerns about oligopsony market power in the live cattle market. This thesis investiga

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Ralston, Brenda J. "A comparative study of giardia and cryptosporidium infections in feedlot cattle in Western Australia and Alberta, Canada /." Murdoch University Digital Theses Program, 2009. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20091117.124124.

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St-Onge, Annie. "Economic values of traits for dairy cattle improvement estimated using field recorded data." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31546.

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The objective of this study was to compute economic values of traits for dairy cattle improvement using an empirical approach. Field recorded data were obtained from the Programme d'Analyse des Troupeaux Laitiers du Quebec (PATLQ) and genetic evaluation data were obtained from the Canadian Dairy Network (CDN). After the editing procedure, the data set consisted of 195,001 lifetime records of Holstein, Ayrshire, Jersey, Brown Swiss and Canadienne cows which calved for the first time between January 1980 and December 1994.<br>Different profitability measurements were computed and used as the dep

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ca, brenda ralston@gov ab, and Brenda Jane Ralston. "A comparative study of giardia and cryptosporidium infections in feedlot cattle in Western Australia and Alberta, Canada." Murdoch University, 2009. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20091117.124124.

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A comparative study of the parasites Cryptosporidium andersoni and Giardia duodenalis in feedlot cattle in Western Australia (n=502) and Alberta, Canada (n=852) was conducted. The objectives were to determine the prevalence, infection patterns and impact on cattle performance of these protozoan parasites. Utilizing molecular tools G. duodenalis was genotyped and C. andersoni samples were confirmed positive. C. parvum was absent from all cattle sampled in Alberta, Canada and Western Australia, likely due to the advanced age of the cattle being sampled (6-36 months of age). No C. bovis or C. ry

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Bouchard, Alexandra Karine. "The contribution of genetic parameters to the profitability of Canadian Holstein cows." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0003/MQ37096.pdf.

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Gollapudi, Anantha Srinivasa Babu. "Molecular variants of bovine GH and GHR and their association with milk production traits in Canadian Holstein bulls." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32996.

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In dairy cattle, treatment with exogenous growth hormone (GH) affects growth and function of mammary gland. The actions of GH are mediated via interaction with GH receptors (GHR). The first step in signal transduction is homodimerization of two GHR molecules by GH. This step is critical since mutation in either GH or GHR can block dimerization and thus target cell activation. However, association between milk related traits and combination of GH and GHR variations are not known. Accordingly, DNA genotypes in the GH and GHR genes were investigated for association with milk, fat and protein lact

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McCann, Melissa Catherine. "Manipulating Cattle and Deer Foraging Behaviors for the Consumption of Leafy Spurge and Canada Thistle." Thesis, North Dakota State University, 2015. https://hdl.handle.net/10365/27824.

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This study tested targeted grazing weeds with cattle and white-tailed deer (Odocoileus virginianus). Using forage manipulation techniques, we attempted to encourage cattle and white-tailed deer to graze weeds. Cattle were encouraged to target graze leafy spurge (Euphorbia esula L.). We established that cattle will attempt to consume leafy spurge from feed bunks but not from pasture. Two projects were developed to test targeted grazing of Canada thistle (Cirsium arvense) by white-tailed deer. The first project was a behavior study using a rationed pelleted feed with Canada thistle. The second a

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Jairath, Lalit Kumar. "Genetic and phenotypic parameters of lifetime performance traits in Canadian Holsteins." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39424.

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Estimates of genetic and phenotypic parameters of lifetime performance traits and estimates of correlations between these and first lactation traits were obtained using multitrait mixed model and Restricted Maximum Likelihood (REML) methodologies, and accounting for all known additive genetic relationships amongst animals in sires pedigree. Part-lifetime performance traits, i.e. two-, three, and four-parity totals of yield and profit, were also included in the analysis. Data were on 82,835 Holstein cows, daughters of 703 sires, calving first between September 1979 and December 1984 in the herd

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Téno, Gabriel. "The cost-benefit analysis of extending the grazing season in beef cattle production in Atlantic Canada." Mémoire, Université de Sherbrooke, 2016. http://hdl.handle.net/11143/9902.

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The aim of the study was to integrate economics, forage agronomy and livestock production data to determine the economic costs and benefits of management techniques that can extend the grazing season for beef production in Atlantic Canada. The results of the study show that extending the grazing season is financially and economically beneficial for both an Atlantic beef farmer and the whole Atlantic community. Extending the grazing season could be thus an alternative solution to enhance beef farm viability in Atlantic Canada. It can also contribute to the sustainable development of beef cattle

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Bücher zum Thema "Cattle, canada"

Branch, Canada Live Stock, ed. The cattle trade of Western Canada. Dept. of Agriculture, 1997.

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Adami, J. George. On the significance of bovine tuberculosis and its eradication and prevention in Canada. s.n., 1986.

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Canada. Agriculture et agroalimentaire Canada. Direction générale de la recherche. Ressources zoogénétiques du Canada: Les races caprines au Canada. Agriculture et agroalimentaire Canada, 1995.

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Canada. Agriculture et agroalimentaire Canada. Direction générale de la recherche. Ressources zoogénétiques du Canada: Les races porcines au Canada. Agriculture et agroalimentaire Canada, 1995.

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Canada. Agriculture et agroalimentaire Canada. Direction générale de la recherche. Ressources zoogénétiques du Canada: Les races bovines au Canada. Agriculture et agroalimentaire Canada, 1998.

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Canada. Agriculture and Agri-Food Canada. Trade in beef and cattle between Canada and the United States. Agriculture and Agri-Food Canada, 2003.

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Alberta. Alberta Agriculture, Food, and Rural Development. An introduction to swath grazing in Western Canada. Alberta Agriculture, Food and Rural Development, 1998.

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Ruddick, J. A. L' industrie laitière au Canada: Tableau historique et descriptif. Ministre de l'agriculture, 1997.

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United States International Trade Commission. Cattle and beef: Impact of the NAFTA and Uruguay Round agreements on U.S. trade. U.S. International Trade Commission, 1997.

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Nicholson, J. W. G., S. Murphy, Robert M. Colpitts, and Thomas R. Nunn. Beef production in the Atlantic Provinces: A Federal/Provincial publication : Canada/New Brunswick, Newfoundland, Nova Scotia, Prince Edward Island. Edited by Canada Agriculture Canada. Agriculture Canada, 1989.

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Buchteile zum Thema "Cattle, canada"

"Preface." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-001.

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"Introducing the Rocking P Gazette." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-009.

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"Principles of Need." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-012.

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"The Macleay Family and the Rocking P Gazette." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-002.

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"Contents." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-toc.

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"The Rocking P Ranch (and Farm)." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-006.

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"Reinforcing Family Values." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-014.

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"Go West Young Men." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-003.

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"The Extended Family Period: Riddle and Macleay Brothers." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-004.

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"Index." In Rocking P Ranch and the Second Cattle Frontier in Western Canada. University of Calgary Press, 2019. http://dx.doi.org/10.1515/9781773850122-018.

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Konferenzberichte zum Thema "Cattle, canada"

James P. Murphy, Joseph P. Harner, Trent Strahm, and Joel DeRouchey. "Composting Cattle Mortalities." In 2004, Ottawa, Canada August 1 - 4, 2004. American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.16757.

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Carmen T. Agouridis, Dwayne R. Edwards, Eric Vanzant, et al. "Influence of BMPs on Cattle Position Preference." In 2004, Ottawa, Canada August 1 - 4, 2004. American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.17670.

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Carmen T. Agouridis, Dwayne R. Edwards, Steve R. Workman, et al. "Effects of Cattle Grazing and BMPs on Stream Water Quality." In 2004, Ottawa, Canada August 1 - 4, 2004. American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.17667.

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T.M. Brown-Brandl, R.A. Eigenberg, J.A. Nienaber, and G.L. Hahn. "Indicators of Heat Stress in Shaded and Non-Shaded Feedlot Cattle." In 2004, Ottawa, Canada August 1 - 4, 2004. American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.16763.

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Edna B. Razote, Ronaldo G. Maghirang, Bernardo Z. Predicala, et al. "Dust-Emission Potential of Cattle Feedlots as Affected by Feedlot Surface Characteristics." In 2004, Ottawa, Canada August 1 - 4, 2004. American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.16751.

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Eckhardt, Regina, Reza Arablouei, Kieren McCosker, Aaron Ingham, and Heinz Bernhardt. "Multimodal Data Integration for Predicting Cattle Behavior Using Transformer-Based Models." In 2025 Toronto, Ontario, Canada July 13-16, 2025. American Society of Agricultural and Biological Engineers, 2025. https://doi.org/10.13031/aim.202500350.

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Jacek A. Koziel, Bok-Haeng Baek, Jarett P. Spinhirne, and David B. Parker. "Ambient ammonia and hydrogen sulfide concentrations at a beef cattle feedlot in Texas." In 2004, Ottawa, Canada August 1 - 4, 2004. American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.16804.

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David B. Parker, Syam Pandrangi, L. Wayne Greene, et al. "Application Rate and Timing Effects on Urease Inhibitor Performance for Minimizing Ammonia Emissions From Beef Cattle Feedyards." In 2004, Ottawa, Canada August 1 - 4, 2004. American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.16787.

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Xuejun Guo, Larry Zeng, and Xiaomei Li. "REMOVAL OF AMMONIUM AND POTASSIUM FROM RO PERMEATE OF ANAEROBICALLY DIGESTED CATTLE MANURE BY NATURAL ZEOLITE." In 2006 CSBE/SCGAB, Edmonton, AB Canada, July 16-19, 2006. American Society of Agricultural and Biological Engineers, 2006. http://dx.doi.org/10.13031/2013.22073.

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Lilong Chai, Roland Kroebel, Henry Janzen, et al. "A mass balance model based on total ammoniacal nitrogen for estimating ammonia volatilization from beef cattle manure management in Alberta Canada." In 2013 Kansas City, Missouri, July 21 - July 24, 2013. American Society of Agricultural and Biological Engineers, 2013. http://dx.doi.org/10.13031/aim.20131596572.

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Berichte der Organisationen zum Thema "Cattle, canada"

Baszler, Timothy, Igor Savitsky, Christopher Davies, Lauren Staska, and Varda Shkap. Identification of bovine Neospora caninum cytotoxic T-lymphocyte epitopes for development of peptide-based vaccine. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7695592.bard.

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The goal of the one-year feasibility study was to identify specific cytotoxic T-lymphocyte (CTL) epitopes to Neosporacaninum in the natural bovine host in order to make progress toward developing an effective peptide-based vaccine against bovine neosporosis. We tested the hypothesis that: N. caninum SRS2 peptides contain immunogenicCTLepitope clusters cross-presented by multiple bovine MHC-I and MHC-IIhaplotypes. The specific objectives were: (1) Map bovine CTLepitopes of N. caninum NcSRS-2 and identify consensus MHC-I and class-II binding motifs; and (2) Determine if subunit immunization with

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Palhares Neto, Luiz, Leilane Gomes, José Marangon, Genilton Santos, and Cecílio Caldeira Júnior. Protocolo de micropropagação de Cattleya milleri, espécie endêmica do quadrilátero ferrífero criticamente ameaçada de extinção. ITV, 2022. http://dx.doi.org/10.29223/prod.tec.itv.ds.2022.12.palharesneto.

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A espécie Cattleya milleri é uma orquídea endêmica dos Campos Rupestres Ferruginosos do Quadrilátero Ferrífero em Minas Gerais. Esta espécie é atualmente classificada como criticamente ameaçada de extinção sobretudo devido a restrição geográfica de sua ocorrência, degradação de seu habitat natural e reduzidas populações naturais. O estabelecimento de métodos de propagação e cultivo que possibilitem a rápida multiplicação desta espécie é etapa crucial para a conservação ex situ e também para o enriquecimento em áreas naturais e a manutenção da espécie em seu habitat. A micropropagação ou a prop

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