The Research Column | Milk South Africa

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361 Veale Street, Nieuw Muckleneuk

Pretoria, South Africa

by Heinz Meissner

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

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.
Genetic and non-genetic factors associated with lactation length in seasonal-calving, pasture-based dairy cows.
Discipline: selection; Keywords: lactation length, spring-calving, pasture-based, management factors, genetic parameters.
Low dietary protein resilience is an indicator of the relative protein efficiency of individual dairy cows.
Discipline: efficiency; Keywords: low protein, resilience, protein efficiency, protein response
A mycotoxin-deactivating feed additive counteracts the adverse effects of regular levels of Fusarium mycotoxins in dairy cows.
Discipline: contamination; Keywords: milk, mycotoxin, silage, digestibility.
Soil life spans and how they can be extended by land use and management change.
Discipline: environment; Keywords: soil erosion, soil formation, soil lifespan, sustainability, soil conservation, sustainable management.
When do dry cows get heat stressed? Correlations of rectal temperature, respiration rate, and performance.
Discipline: stress; Keywords: rectal temperature, respiration rate, milk production, heat stress, correlation analysis.
A comprehensive quantification of global nitrous oxide sources and sinks.
Discipline: environment; Keywords: nitrous oxide, GHG, inventory, sinks, global N cycle, N fertilization, crops, pastures.
Total-tract digestibility and milk productivity of dairy cows as affected by trace mineral sources.
Discipline: minerals; Keywords: rumen fermentation, milk fat yield, hydroxychloride, organic chelate.