What's new in ketosis in dairy cows?

Hypoglycaemia, elevated FFA, and hyperketonaemia do not always occur together. A large survey in the UK found that 24.8% of lactating cows (all stages) had hyperketonaemia, a further 14.9% had...

Figure 2. Cow and calf following successful completion of stage 2 parturition. Image courtesy of K. Ellis, reproduced with permission.

Use of non-steroidal anti-inflammatory drugs at calving

Calving is a complex process with three recognised stages (Figures 1 and 2), each associated with different sources of pain. Pain is a subjective experience defined by the International Association...

Figure 1. The primary objective of feeding suckler cows is to produce one viable calf per cow per year.

Feeding the pregnant beef cow

As detailed in Tables 2 and 3, example rations can be constructed for suckler beef cows depending on stage of production and estimated requirements. AHDB Beef has an excellent ration calculator that...

Figure 2. The central cavity (♦) is surrounded by a zone of granulation tissue with abundant inflammatory cells (arrows). The remaining ovarian architecture is effaced by fibrosis (*) which infiltrates surrounding adipose tissue.

Ovarian abscessation and oophoritis in a first lactation dairy cow: a case report

A first lactation, 28-month-old Holstein dairy cow was presented at a routine fertility visit at 47 days in milk for ‘oestrus not observed’. The cow had been examined at a previous routine fertility...

Figure 6. Above the frost line in an AI tank temperatures will rise above -196°C giving semen straws the opportunity to thaw. The arrow indicates the level of the frost line in this tank

Investigating cattle artificial insemination technique on farm

When investigating an individual's on-farm conception rate, semen handling is a crucial area to focus on. The number of viable sperm in each straw can be affected by an individual's skills, knowledge...