Two papers were published last week by Dr Perry from QSML using Santa Gertrudis bulls in Queensland in the international reproduction journal; Theriogenology with her PhD student Matt Callaghan. We have previously shown that feeding high energy rations to bulls …
Four years and 11,387 bulls later, QSML has published a study on the effect that breed, age, season and region have on bovine sperm. Published in the prestigious journal Theriogenology, the title of the work is “Bovine sperm defects are …
In May this year, QSML’s Director and Senior Advisory Morphologist, Dr Viv Perry, was asked to address audiences on an international stage, at both the “Theory into Practice” International Bull Fertility Conference in Westport, Ireland and the Australian Veterinary Association …
Cottonseed naturally contains varying levels of gossypol dependent upon the variety of cotton and the prevailing growing conditions. Gossypol acts as a natural insect repellent within the cottonseed, and remains within cottonseed meal after oil extraction as well as in …
Whether you’re a grazier or a stud-stock breeder, this recent research paper on the benefits of checking your heifer’s peri-conception and first-trimester diet will be of interest. Over the last 23 years QSML’s Dr Viv Perry and an extensive team …
This week we’re putting bull semen on the table – figuratively speaking. Because after 34 years behind the microscope and 31 years in the paddock, QSML has learnt that if you’re not having your bulls tested, or buying untested bulls, …
The short answer: yes. In this blog we look at the long answer to better understand why this occurs, and how to reduce this temporary loss of sperm quality. What we know Breeding bulls in Australia are commonly fed high-energy …
