Farm nutrient company, Altum is encouraging dairy farmers to challenge their traditional dry cow management systems in preparation this winter. The advice comes on the back of a recent independent trial on the effects of the magnesium and micro-nutrient enriched crystalline molasses block Crystalyx Dry Cow on the dairy cow transitioning from calving to lactation. New Zealand expert in ruminant physiology and reproductive biology, Dr Mark Oliver, Liggins Institute, University of Auckland, says the trial demonstrated that Crystalyx Dry Cow provided benefits above those delivered by traditional mineral supplementation. These include lower rates of mastitis and reductions in retained placentas, along with an added benefit of a lighter workload for farm staff. "Farm staff appreciated the comparative practicality of the molasses block and its performance in poor weather compared to more traditional systems which use dusting or water trough dosing. Anecdotally, there was a perception that cow mood and ease of handling was also superior in the Crystalyx supplemented herd. These preliminary studies suggest that Dry Cow is suitable for use on New Zealand farms representative of the one used in the trial." The trial, overseen by Oliver was carried out on a commercial Tokoroa dairy farm operating two herds…