Fresh cow mastitis

By Valentin Nenov on

Mastitis poses the highest economic impact on dairy farms from all diseases. This is due to losses in unrealized milk production, treatment costs, increased risk of culling, and discarded milk production. Fresh dairy cows are at highest risk of getting mastitis with the highest economic impact. During early lactation, fresh cow’s immune system is depressed […]


Nutrition for heat-stressed dairy herds

By Prof. Marcos Neves Pereira, University of Lavras on

Heat stress (HS) has a significant negative impact on the profitability of the dairy industry around the world, an estimate of the economic loss induced by heat stress to the USA was close to US$ 1 billion annually. The predicted growth of the dairy industry in warm places is a strong reason for the increased […]


Impact of the immune status on negative energy balance and milk production in fresh cows

By Dr. Erminio TREVISI on

There is no doubt that the transition period is the most critical phase in the life of high yielding dairy cows (Drackley, 1999; van Knegsel et al., 2014). In few weeks (broadly 3 before and 3 after calving) cows receive many challenges (e.g. physiological, nutritional, psychological, management) and this requires that all the adaptive responses […]


Innate immune system: the good, the bad, the ugly…

By Dr. Mike Kogut on

The innate immune system acts as an alarm that senses danger in the form of infection and/or cell damage, and helps to initiate recovery and repair processes. Integral to innate immune cell activation are germline-encoded pattern recognition receptors that sense danger in the form of exogenous microbe-associated molecular patterns and endogenous damage-associated molecular patterns. Innate […]


U.S. Beef Industry challenges and goals: part 3 – Feedlot finishing and packing plant

By Chris Reinhardt on

The U.S. beef industry is segmented into four discreet production strata: cow-calf; stocker-backgrounder; feedlot finishing; and packing.  These four segments each have unique production goals as well as production challenges. Feedlot finishing The goal of the finishing phase is to fatten cattle to increase size of the carcass and to increase the marbling content of […]