Dairy R&D in SA

by Heinz Meissner

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


AN INVESTIGATION INTO TAKE-OFF TIME IN MILKING MACHINES.

Discipline: mastitis; Key words: teat canal, udder health, milking machine settings, milk flow, VaDia, take-off time, vented liners.

AGE GELATION IN LONG LIFE MILK.

Discipline: quality; Key words: age gelation, UHT milk, plasmin. Proteases, psychro-tolerant bacteria, free fatty acids, chemicals, gases.

NON STAPHYLOCOCCUS AUREUS (COAGULASE NEGATIVE STAPHYLOCOCCI) (CNS) AS POTENTIAL BACTERIAL THREAT TO UDDER HEALTH IN SOUTH AFRICAN DAIRY COWS.

Discipline: mastitis; Keywords: coagulase negative staphylococci, Maldi Tof, CNS strains, routine diagnostic identification, somatic cell count.



The 2018 Progress Report of a study by Dr Inge-Marie Petzer of the Faculty of Veterinary Science of the University of Pretoria.

PERFORMANCE TREND MEASUREMENT POSSIBILITIES IN AUTOMATIC MANAGEMENT SYSTEMS.

Discipline: performance; Key words: automatic milking systems, milk recording, variables recorded, management decisions, template.

FERTILITY TRENDS IN A SELECTION OF SA DAIRY HERDS.

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Discipline: reproduction; Key words:concentrate level, crossbreeding, days open, energy source, interval traits, genetic parameters, management-induced infertility. 

PROGRESS WITH LIVER FLUKE RESEARCH IN THE TSITSIKAMMA

Discipline: animal health; Key words: liver fluke, L. truncatula, Fasciola parasite, open water, cercaria.



Some interesting results have been reported by Dr Jan van Wyk, who is responsible for the Milk SA project: Fasciola hepatica: Impact on Dairy Production and Sustainable Management on Selected Farms in South Africa. The report is from the fourth quarter of 2018.

E.COLI AND OTHER ENTEROBACTERIACEAE IN BULK MILK.

Discipline: quality; Key words: producer-distributor milk, Enterobacteriaceae, E. coli, shigatoxin, antibiotic resistance

BENEFITS OF CLA ADDITION TO YOGURT

Discipline: yogurt; Keywords: CLA, microbial, physical, chemical, sensory, yoghurt.

PREVALENCE OF MASTITIS ORGANISMS IN PASTURE-BASED AND TMR SYSTEMS.

Discipline: mastitis; Keywords: Streptococcus uberis, pasture-based systems, TMR systems, composite milk sample, coagulase negative Staphylococci.

CONSOLIDATED 2018 THIRD QUARTER RESEARCH PROGRESS REPORT.

 Discipline: dairy research; Keywords: mastitis, AMR, liver fluke, milk flocculation, genetic and performance analysis.



 Author: Heinz Meissner, Milk SA Program Manager R & D, November 2018.   



1. Mastitis Program:



1.1. PRJ-0210 Antimicrobial resistance on dairy farms - Screening mastitis causing coliforms for the production of extended spectrum Beta-lactamases and Colistin resistance. Dr Inge-Marie Petzer.