A D DONALD
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Explore the profile of A D DONALD including associated specialties, affiliations and a list of published articles.
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Articles
42
Citations
164
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Recent Articles
1.
DONALD A
Vet Parasitol
. 1994 Aug;
54(1-3):27-47.
PMID: 7846857
Ecologically sustainable development is aimed at reducing environmental degradation while enabling economic development with equity between the developed and developing worlds and between generations. Parasite control in livestock can both...
2.
Dobson R, DONALD A, Barnes E, Waller P
Int J Parasitol
. 1990 May;
20(3):365-73.
PMID: 2358320
The developing immunity of sheep to Trichostrongylus colubriformis infections was described by a mathematical function. The rate of adult establishment was assumed to be a measure of the host's acquired...
3.
Dobson R, Waller P, DONALD A
Int J Parasitol
. 1990 May;
20(3):359-63.
PMID: 2358319
Rejection of adult T. colubriformis was examined in lambs given 2000, 1124, 632 or 200 L3 day-1, 5 days per week for up to 20 weeks. Rejection of adults began...
4.
Dobson R, Waller P, DONALD A
Int J Parasitol
. 1990 May;
20(3):353-7.
PMID: 2358318
Sheep, reared worm-free in pens and aged 12-36 weeks, were infected each weekday with 2000 infective T. colubriformis larvae (L3). Establishment was measured at various times during the course of...
5.
Dobson R, Waller P, DONALD A
Int J Parasitol
. 1990 May;
20(3):347-52.
PMID: 2358317
The establishment of Trichostrongylus colubriformis was estimated in helminthologically naive 20-week-old Merino sheep given third stage infective larvae (L3) at rates of 2000, 632 or 200 L3 per day, 5...
6.
Waller P, DONALD A, Dobson R, Lacey E, Hennessy D, Allerton G, et al.
Int J Parasitol
. 1989 Feb;
19(1):99-110.
PMID: 2707967
This experiment was designed to study, over a 5-year-period, the effect of different frequencies of treatment with three different anthelmintic groups, namely, benzimidazoles, levamisole and ivermectin, and different frequencies of...
7.
Barnes E, Dobson R, DONALD A, Waller P
Int J Parasitol
. 1988 Sep;
18(6):767-74.
PMID: 3192348
No abstract available.
8.
Waller P, Axelsen A, DONALD A, Morley F, Dobson R, Donnelly J
Aust Vet J
. 1987 Dec;
64(12):357-62.
PMID: 3452301
Comparison was made of the performances of cross-bred ewes and their lambs on pastures of low helminth infectivity ("safe" pastures) or contaminated pastures and at high or low stocking rates....
9.
Waller P, Donnelly J, Dobson R, DONALD A, Axelsen A, Morley F
Aust Vet J
. 1987 Nov;
64(11):339-43.
PMID: 3447577
The pre-weaning production of ewes and lambs in spring on pastures grazed during the previous autumn and early winter by either weaner sheep, adult sheep, or cattle was investigated together...
10.
Dobson R, Griffiths D, DONALD A, Waller P
IMA J Math Appl Med Biol
. 1987 Jan;
4(4):279-93.
PMID: 3503094
Data from 21 generations of selection on a levamisole-resistant strain of Trichostrongylus colubriformis, either exposed to selection with the anthelmintics levamisole (LEV) or thiabendazole (TBZ), or unexposed, were used to...