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Writing — original draft: Received Jul 14; Accepted Dec Associated Data All data are available at https: Abstract The scale of sexed semen use to avoid the birth of unwanted bull calves in the UK dairy industry depends on several economic factors. It has been suggested in other studies that calf gender may affect milk yield in Holsteins- something that would affect the economics of sexed semen use. The present study used a large milk recording data set to evaluate the effect of calf gender both calf born and calf in utero on both milk yield and saturated fat content. Linear regression was used to model data for first lactation and second lactation separately.Get Cow Having Sex pictures and royalty-free images from iStock. Find high- quality stock photos that you won't find anywhere else. "Cows have shown an 'insane' and 'mind-blowing' ability to tackle HIV Men who have sex with other men are particularly at risk if they don't. Studies have estimated 8–% lower conception rate in heifers, The mechanisms by which calf sex could make a difference to milk Data was extracted from The Cattle Information Service (CIS) milk recording database...the end of the story look at the video above ↑ ↑ ↑