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Investigations into some effects of cysteine administration to the New Zealand Romney : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Scienc
The Present Work:
Up to this date, all sulphur containing amino-acid and protein
infusion work had been done in Australia using Australian Merinos.
It was decided to conduct a similar experiment to see whether
cysteine infusion had a similar effect on the wool grovvth rate
of New Zealand Romneys.
The work described in this thesis consists of two parts:-
(i) a preliminary experiment was conducted to see if the
Romney wool growth rate responded to cysteine infusion,
and if so, at what dose levels. A first investigation
of the wool factors involved was also made.
(ii) having found that the Romney did respond to cysteine
treatment a second experiment was carried out to
determine more exactly the wool factors involved in
the response and to see if the response was altered
by the protein content of the basal diet. The effect
of cysteine administration on the digestibility of
basal diet was also examined.
[From the Introduction]
