The Manager - October 2016

Research Focus

Farm partnerships apply research
This Manager issue from PRO-DAIRY focused on applied research.
By Julie Berry

Transition cow management characteristics in Northeast Dairy Herds
Identifying key management strategies will help reduce fresh cow disorders and improve overall performance.
By Allison Lawton, Buzz Burhans, Daryl Nydam, and Tom Overton

Nitrous oxide emissions in corn are related to nitrogen inputs  
Managing for, and achieving high yields, reduces emissions on a per bushel basis.
By Amir Sadeghpour, Karl Czymmek and Quirine Ketterings

Dietary mineral sources and feeding rates in the transition period
Investigation of strategies to improve calcium status in the transition period.
By Brittany Leno

Comparison of hand-held meters to diagnose hyperketonemia
Use blood ketone testing to improve monitoring of fresh cow health and management.
By Jessica McArt and Kathryn Bach

Genomic research and selection improve cow health
Projects focus on genetic regulation of mastitis and lameness, some of the most costly diseases in the dairy industry.
By Heather Huson

Lactococcus: an emerging mastitis pathogen
Longitudinal characterization of mastitis causing pathogens previously identified as “other Streptococcus species.”
By Jessica Scillieri Smith, Paolo Moroni and Daryl Nydam

Influence of cow characteristics and premilking udder preparation on milk flow and teat condition
Consideration of interactions between cow characteristics and premilking udder preparation can help to improve parlor efficiency and short-term changes in teat condition postmilking.
By Matthias Wieland, Jaclyn Melvin, Paul Virkler and Daryl Nydam                                               

Starch and fiber in fresh cow rations
Keeping energy density and rumen health in mind is key to a successful fresh period.
By Sarah Williams and Thomas Overton

Factors that affect the viability and longevity of dairy cattle
Field study of 55 NY herds reviews factors associated with increased mortality or culling risk, from calves to mature cows.
By Benjamin Scott and Julio Giordano