Ultrasound currently enjoys an impeccable safety record, but it’s worth remembering that this is due to the responsible practices of professionals over the many years of the technology’s development. The current situation whereby untrained individuals can now purchase relatively low cost ultrasound equipment is historically unprecedented, and whilst it offers the potential of fantastic benefits for animal care in the right hands – as many of our own members regularly demonstrate – it’s important not to be complacent about its potential for harm. Ultrasound equipment, by law within the UK, EU and North America,......
The uterus is comprised of three main layers – the perimetrium, myometrium and endometrium. The perimetrium is a thin membrane which secretes lubricating fluids. The myometrium consists of smooth muscle which facilitates contractions, which are necessary to aid the passage of sperm and also for parturition (giving birth). When oestrogen is high and progesterone is low, the myometrium is firm and in animals which can be palpated (mainly the cow and mare rectally), this can be felt and is one indicator of oestrus. Under the influence of progesterone, the myometrium in most......