{"id":12992,"date":"2019-11-05T16:13:46","date_gmt":"2019-11-05T16:13:46","guid":{"rendered":"https:\/\/www.thermofisher.com\/blog\/behindthebench\/?p=12992"},"modified":"2020-05-28T19:15:13","modified_gmt":"2020-05-28T19:15:13","slug":"helping-to-control-trichomonas-foetus-in-mexico","status":"publish","type":"post","link":"https:\/\/www.thermofisher.com\/blog\/behindthebench\/helping-to-control-trichomonas-foetus-in-mexico\/","title":{"rendered":"Helping to Control Trichomonas foetus in Mexico"},"content":{"rendered":"<p>Cattle producers were reporting of a high incidence of abortions and low pregnancy rates in their beef cattle herds in Chihuahua, Mexico. Researchers at Autonomous University of Chihuahua started working with producers and Thermo Fisher Scientific to uncover the root cause of the problem.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"float: right\" src=\"http:\/\/www.thermofisher.com\/blog\/behindthebench\/wp-content\/uploads\/sites\/9\/2019\/11\/portrait_medellin.png\" width=\"393\" height=\"292\" \/>Javier Alberto Medellin, a cattle producer located in the Chihuahua region, knew he had serious problem among his commercial cow-calf herd of 2,500 cows, including multiple breeds and crossbreeds.<\/p>\n<p>\u201cWe knew we had a problem with high abortion rates,\u201d said Medellin. \u201cDiagnostic testing helped us to identify the trichomoniasis (trich) problem and increase our pregnancy rate by\u00a027% in one year, resulting in a return on investment ratio of over 45:1.\u201d<\/p>\n<p>Using mainly natural service with Hereford, Brangus, and Charolais bulls, Medellin suspects the infection was due to purchasing bred cows from different herds across the state of Chihuahua.<\/p>\n<p>\u201cWhen we would pregnancy test our cows, we always had a lot of open cows and some that had been open several cycles,\u201d he explained. \u201cWe could also see that some cows had aborted because their uterus was thick and hard in consistency. Not to mention that the aborted calves were frequently seen in the pastures by our cowboys.\u201d<\/p>\n<h3>Identifying the Problem<\/h3>\n<p>Working with researchers at <a href=\"https:\/\/www.thermofisher.com\/content\/dam\/LifeTech\/global\/applied-sciences\/pdfs\/animal-health\/animal-health-poster-trich-chihuahua-mexico.pdf\">Autonomous University of Chihuahua and Thermo Fisher<\/a>, they tested their 150 bulls for trich and found 58 were positive (39%). Any positives were immediately sent to slaughter. Open cows were allowed to cycle for three estruses, then they were synchronized to be artificially inseminated or exposed to clean bulls.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.thermofisher.com\/blog\/behindthebench\/wp-content\/uploads\/sites\/9\/2019\/11\/experience-the-brand-blog-banners-trich.jpg\" width=\"668\" height=\"350\" \/><\/p>\n<p>\u201cDiagnostics helped us to identify the problem and take action, so we could get trich under control on our ranch,\u201d he noted. \u201cWe improved our pregnancy rate from\u00a055% to 82% in one year, so our investment in testing gave us a great return. Testing helped us know what we were dealing with so we could take steps to control the disease.\u201d<\/p>\n<p>Medellin stopped buying pregnant cows from other ranches, and now only buys virgin bulls.<\/p>\n<p>\u201cAfter our first round of diagnostic testing, we waited and then retested all of the bulls that we kept. We slaughtered any new positive bulls, as well as slaughtering any cows that did not get pregnant or that showed signs of abortion,\u201d he said.\u00a0 \u201cWe still find positive bulls, but the prevalence is definitely going down. We know we need to continue to monitor trich with diagnostic testing and keep working to eliminate it in our herd, but we hope to get there in a short time.\u201d<\/p>\n<h3>Working with Thermo Fisher Scientific<\/h3>\n<p>The Autonomous University of Chihuahua\u2019s study was conducted in collaboration with Thermo Fisher Scientific, using the <a href=\"https:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/animal-health\/vetmax-gold-trich-detection-kit.html\">VetMAX\u2122-Gold Trich Detection Kit<\/a>. Thermo Fisher helped train the diagnostic lab team at the University with a workflow for <a href=\"https:\/\/www.thermofisher.com\/us\/en\/home\/life-science\/pcr\/real-time-pcr.html\">real-time PCR <\/a>and provided instrumentation. Workflow is critical to get optimal sensitivity and specificity of results.<\/p>\n<p>\u201cThere is no doubt that the real-time PCR test is best for Trich testing,\u201d said Dr. Jose Alejandro Ram\u00edrez-God\u00ednez faculty of Animal Science and Ecology, Autonomous University of Chihuahua, Mexico. \u201cThe test itself is more expensive than other diagnostic options, but it gives a great return on investment. When you talk to producers who have experienced how economically devastating the disease can be, they say it\u2019s very cheap.\u201d<\/p>\n<p><a href=\"https:\/\/www.thermofisher.com\/ca\/en\/home\/industrial\/animal-health\/vetmax-gold-trich-detection-kit.html\">Real-time PCR testing<\/a>\u00a0is highly sensitive and highly accurate, and results are available the next day. Using the older method of culture followed by microscopy, results will take weeks because three samples need to be taken every two weeks. Testing with culture isn\u2019t as accurate as PCR, so the biggest concern is that cattle producers will end up culling negative bulls.<\/p>\n<p>\u201cFor the first part of the program, Thermo Fisher sponsored the diagnostic kits and the Chihuahua University contributed gas and transport expenses to the veterinarians sampling the animals,\u201d Medellin said. \u201cThanks to Thermo Fisher, the trich test is now available to ranchers in Chihuahua and all over Mexico.\u201d<\/p>\n<h3>Impact of <em>Trichomonas foetus<\/em> (<em>T. foetus<\/em>)<\/h3>\n<p>Trich is a highly contagious sexually transmitted disease caused by <em><a href=\"https:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/animal-health\/vetmax-gold-trich-detection-kit.html\">Trichomonas foetus<\/a> (T. foetus<\/em>). Bulls serve as a carrier of <em>T. foetu<\/em>s and show no outward signs or symptoms of this untreatable infection. Cows become infected when they are naturally bred with an infected bull.<\/p>\n<p>The primary symptom in cows is embryonic death causing infertility, which contributes to scenarios where cows are in heat when they should be pregnant.Infected cows should be allowed three to four cycles to clear any existing <em>T. foetus<\/em> disease and then synchronized to the same reproductive cycle and bred with Trich-free bulls or artificial insemination (AI). Cows should be pregnancy-checked.<\/p>\n<p>To manage trich, it\u2019s important to remove positive bulls from the herd and then PCR test bulls in the herd on a regular basis to confirm disease has not moved back into the herd.<\/p>\n<p>Veterinarians know and understand trich, but producers aren\u2019t always enthusiastic about testing, so it requires conversations to change their mindset. Regardless of herd size, cattle producers need to be educated about the significant economic impact it can have on the ranch.<\/p>\n<p>50+ years of expertise. Applied.\u00a0<a href=\"https:\/\/www.thermofisher.com\/uk\/en\/home\/products-and-services\/promotions\/industrial\/50-years-experience-applied.html\">Visit our webpage<\/a>.<\/p>\n<p style=\"text-align: right\"><em>For veterinary use only. For in vitro use Only. Regulatory requirements vary by country; products may not be available in your geographic area.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"#_msoanchor_1\">\u00a0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cattle producers were reporting of a high incidence of abortions and low pregnancy rates in their beef cattle herds in Chihuahua, Mexico. Researchers at Autonomous University of Chihuahua started working with producers and Thermo Fisher Scientific to uncover the root cause of the problem. Javier Alberto Medellin, a cattle producer located in the Chihuahua region,<\/p>\n","protected":false},"author":930,"featured_media":12990,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[83],"tags":[43],"division":[],"class_list":{"0":"post-12992","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-animal-health-and-agrigenomics","8":"tag-pcr","9":"entry"},"_selected_authors":"","_selected_reviewers":"","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Helping to Control Trichomonas foetus in Mexico - Behind the Bench<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermofisher.com\/blog\/behindthebench\/helping-to-control-trichomonas-foetus-in-mexico\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Helping to Control Trichomonas foetus in Mexico\" \/>\n<meta property=\"og:description\" content=\"Cattle producers were reporting of a high incidence of abortions and low pregnancy rates in their beef cattle herds in Chihuahua, Mexico. Researchers at Autonomous University of Chihuahua started working with producers and Thermo Fisher Scientific to uncover the root cause of the problem. 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