Some of you might have seen an interesting little factoid that is being thrown around, namely that cows produce more milk after giving birth to daughters. Apparently, if the first calf a heifer produces is female, she has an increased lifetime milk output compared to heifers that give birth to males. Particularly since I often see this factoid displayed in sexed semen advertising, and just because it seems so darn convenient, I decided to investigate the science behind it. What I found surprised me.
My favourite topic in reproduction is sexed semen. There’s something about the technology which really gets me going – the concept that you can choose the gender of your calves is so futuristic and exciting. Like science in action! And, of course, the benefits are highly appealing. Here’s a brief list: Female calves are worth […]