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:

Title	Date	Discipline	Extract	Keywords
Milk progesterone on day 5 following insemination in the dairy cow: associated metabolic variables and reproductive consequences.			Discipline: reproduction; Key words:conception rate, dairy cow, leptin, metabolic variables, milk progesterone.
Impact of cows’ milk estrogen on cancer risk.			Discipline: dairy &health; Key words: oestrogens, dairy products, endometrial cancer, nutrients, meta-analysis.
Differential effects of a single dose of oral calcium based on postpartum plasma calcium concentration in Holstein cows.			Discipline: hypocalcaemia; Key words: oral calcium bolus, subclinical hypocalcaemia, transition cow.
Addition of meloxicam to the treatment of bovine clinical mastitis results in a net economic benefit to the dairy farmer.			Discipline: mastitis; Key words: bovine clinical mastitis, fertility, economics, animal health management.
Evaluation and validation of an automatic jaw movement recorder (RumiWatch) for ingestive and rumination behaviours of dairy cows during grazing and supplementation.			Discipline: behaviour; Key words: automatic jaw movement recorder, grazing behaviour, validation.
The effect of different pre-cooling rates and cold storage on milk microbiological quality and composition.			Discipline: management; Key words: milk pre-cooling, milk microbiological quality, energy, milk storage.
Plant oil supplements reduce methane emissions and improve milk fatty acid composition in dairy cows fed grass silage-based diets without affecting milk yield.			Discipline: feed additive; Key words: lipids, methane, milk fatty acids, microbial diversity.
Efficacy of colostrum replacer versus maternal colostrum on immunological status, health, and growth of preweaned dairy calves.			Discipline: calf rearing; Key words: calf, colostrum, colostrum replacer, passive transfer.
Meta-analysis to predict the effects of metabolizable amino acids on dairy cattle performance.			Discipline: supplementation; Key words: amino acids, milk protein, meta-analysis, immune-metabolism, methionine, transition period.
Consumer acceptance of dairy products with a saturated fatty acid–reduced, monounsaturated fatty acid–enriched content			Discipline: dairy & health; Key words: cardiovascular disease, consumer acceptance, dairy product, monounsaturated fatty acid, saturated fatty acid.