Conception & Fertitlity http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility RSS Feed for Conception & Fertitlity en-us Fri, 01 Feb 2013 13:41:47 GMT 5 steps to improved heifer reproduction http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/5-steps-to-improved-heifer-reproduction-189351541.html It is often thought that heifer reproduction outperforms that of the lactating herd, but this is not the case on most farms. Here are some tips to improve heifer reproductive performance on your operation. Is poor hygiene undermining conception rates? http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/Is-poor-hygiene-undermining-conception-rates-170472186.html Semen handling, insemination technique, and the environment in which you work can all play a role in reducing pregnancy rates. Use this assessment to identify weaknesses in hygiene during breeding. Dairy producers benefit from using sexed semen http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/Dairy-producers-benefit-from-sexed-semen-170349686.html Kansas State University reproductive physiologist Jeff Stevenson discusses how sexed semen or gender-biased semen offers dairy producers a cost-effective method for adding more females to the herd. Why are my cows not getting pregnant in the fall? http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/Why-are-my-cows-not-getting-pregnant-in-the-fall-162183395.html The effects of heat stress that we have experienced thus far during the summer of 2012 will linger into the fall when the heat of the summer has long passed. Progesterone may help increase summer fertility http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/Progesterone-may-help-increase-summer-fertility-162039175.html New research shows post-A.I. use of a controlled intravaginal drug-releasing (CIDR) insert containing progesterone may help improve summer conception rates. Identify the risk factors for non-cycling cows http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/Identify-the-risk-factors-for-non-cycling-cows-161765435.html What are some of the risk factors for postpartum cows to be anovular (non-cycling) for a prolonged length of time? Researchers at the University of Guelph set out to find some answers. "Kiss of death" found for bovine sperm http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/Kiss-of-death-found-for-bovine-sperm-160779365.html University of Missouri researchers have found how to identify faulty sperm and remove them from the artificial insemination equation. YouTube videos highlight dairy research http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/YouTube-videos-highlight-dairy-research-153547005.html The Faculty of Land and Food Systems at the University of British Columbia has launched four news videos featuring the Dairy Education and Research Centre. Stocking rate shows little influence on reproductive performance http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/Stocking-rate-shows-little-influence-on-reproductive-performance-151059955.html Researchers in Ireland recently evaluated the impact of increased stocking densities on herd reproductive performance. Research identifies method to remove faulty sperm from AI process http://www.dairyherd.com/dairy-resources/reproduction/conception-fertility/Research-IDs-method-to-remove-faulty-sperm-from-AI-process-150220465.html All bull semen is not created equal, but Peter Sutovsky has found a way to level the bovine-fertility playing field.