The Research Column | Milk South Africa

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Pretoria, South Africa

by Heinz Meissner

Click on any of the publications below to read more about the specific topic:

Effect of protein level and methionine supplementation on dairy cows during the transition period.
Discipline: nutrition; Keywords: dry matter intake, blood markers, milk fat, immune system.
Effect of partial exchange of lactose with fat in milk replacer on ad libitum feed intake and performance in dairy calves.
Discipline: calf rearing; Keywords: calf, lactose, fat, milk replacer.
Effect of source and level of forage in the diet on in vitro ammonia emission from manure of Holstein and Jersey dairy cows
Discipline: environment; Keywords: manure ammonia, emissions, high and low roughage diet, breed, NDF.
Increasing temperature and pH can facilitate reductions of cephapirin and antibiotic resistance genes in dairy manure slurries.
Discipline: AMR & environment; Keywords: antibiotic resistance gene, cephapirin, dairy manure slurry.
Impacts of Climate Change: Perception and reality.
Discipline: environment: Keywords: climate change, extreme weather conditions, human well being, green revolution, carbon dioxide, clean water, fertilizer.
Genetic factors of Alzheimer’s Disease modulate how diet is associated with long term cognitive trajectories: A UK Biobank Study.
Discipline: dairy & health; Keywords: Alsheimer’s Disease, diet, cheese, Fluid Intelligence Test, genetic factors.
Evaluation of solar photovoltaic systems to shade cows in a pasture-based dairy herd.
Discipline: cow comfort; Keywords: dairy, heat stress, pasture-based, solar photovoltaic.
Changes in stability and shelf-life of ultra-high temperature treated milk during long term storage at different temperatures.
Discipline: milk quality; Keywords: food technology, food safety, UHT milk, sensory evaluation, off-flavour, sedimentation, colour, shelf life.
Effects of diet fermentability and supplementation of 2-hydroxy-4-(methylthio)-butanoic acid and isoacids on milk fat depression
Discipline: milk fat depression; Keywords: low-forage diet, methionine analog,

branched-chain volatile fatty acids, valerate.
Fertility and milk production on commercial dairy farms with customized lactation lengths.
Discipline: lactation; Keywords: extended calving interval, extended lactation, insemination, milk yield.