The Research Column

by Heinz Meissner

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

 

Title Date Discipline Extract Keywords
Ethical consumerism and sustainable production

Discipline: ethics; Keywords: animal welfare, improving efficiency, traditional systems, organic production, carbon footprint.

Pre-partum dietary management of energy intake affects postpartum intake and lactation performance by primiparous and multiparous Holstein cows

Discipline: Lactation management; Keywords: energy intake, roughage, productivity, longevity

Potential for improving the carbon footprint of butter and blend products

Discipline: carbon footprint; Keywords: GHG emissions, vegetable oil, fat content, type of packaging. 

Heat stability of reconstituted, protein-standardized skim milk powders.

Discipline: milk powder; Keywords: heat-treatment, shelf life, pH , protein content, standardization material.

Composition, coagulation properties, and cheesemaking potential of milk from cows undergoing extended lactations in a pasture-based system.

Discipline: cheese; Keywords: conceive after birth, cheddar cheese, lactation length, cheese yield, organoleptic properties.

Influence of continuous selection for improved milk yields and other productivity measures

Discipline: breeding; Keywords: productivity measures, inbreeding, longevity, replacement costs, heritability, fitness traits.

Methane emissions of South African livestock

Discipline: carbon footprint; Keywords: climate change, rumen fermentation, manure, beef cattle, dairy cattle, smallstock, pigs, poultry, game.

Optimal replacement policies for dairy cows based on daily yield measurements

Discipline: lactation management; Keywords: reproduction, model, MDP, daily information, economic implications.

The effects of ring castration with local anaesthesia and analgesia in Holstein calves at 3 months of age on welfare indicators

Discipline: animal welfare; Keywords: pain levels, behaviour, stress levels, serum cholesterol, wound healing.

Calving interval genetic parameters and trends for dairy breeds in South Africa

Discipline: reproduction; Keywords: fertility traits, selection indices, breeding values.