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Articles 1 - 30 of 105
Full-Text Articles in Other Animal Sciences
Across The Indian Ocean: A Remarkable Example Of Trans-Oceanic Dispersal In An Austral Mygalomorph Spider, Sophie E. Harrison, Mark S. Harvey, Steve J.B. Cooper, Andrew D. Austin, Michael G. Rix
Across The Indian Ocean: A Remarkable Example Of Trans-Oceanic Dispersal In An Austral Mygalomorph Spider, Sophie E. Harrison, Mark S. Harvey, Steve J.B. Cooper, Andrew D. Austin, Michael G. Rix
Research outputs 2014 to 2021
The Migidae are a family of austral trapdoor spiders known to show a highly restricted and disjunct distribution pattern. Here, we aim to investigate the phylogeny and historical biogeography of the group, which was previously thought to be vicariant in origin, and examine the biogeographic origins of the genus Moggridgea using a dated multi-gene phylogeny. Moggridgea specimens were sampled from southern Australia and Africa, and Bertmainus was sampled from Western Australia. Sanger sequencing methods were used to generate a robust six marker molecular dataset consisting of the nuclear genes 18S rRNA, 28S rRNA, ITS rRNA, XPNPEP3 and H3 and the …
Systematics And Biogeography Of The Australian Burrowing Freshwater Crayfish Genus Engaewa Riekk (Decapoda: Parastacidae), Quinton Burnham
Systematics And Biogeography Of The Australian Burrowing Freshwater Crayfish Genus Engaewa Riekk (Decapoda: Parastacidae), Quinton Burnham
Theses: Doctorates and Masters
The overall aim of this study was to explore the systematics and biogeographic patterns of the freshwater crayfish genus Engaewa Riek, a strongly burrowing freshwater crayfish restricted to the coastal corner of south-western Australia (SWA). The genus Engaewa is a Gondwanan relict with great potential as a marker of historical processes, due to its high habitat specificity and low dispersal ability. This study comprises an extensive taxonomic and phylogenetic revision of the genus Engaewa (using both molecular and morphological data), a detailed study of its distribution and uses the knowledge gained to explore biogeographic patterns in the biodiversity hotspot of …
Perennial Grasses - Are They For Me? Workshop Manual For Participants, Department Of Agriculture And Food, Wa, Grains Research And Development Corporation
Perennial Grasses - Are They For Me? Workshop Manual For Participants, Department Of Agriculture And Food, Wa, Grains Research And Development Corporation
Agriculture reports
This workshop is part of a series of workshops looking at dryland salinity and options to manage it. These ‘Million hectares’ workshops have the common themes of environmental improvement. They provide information to help participants identify the risks within the catchment and at a farm level, assess both the likelihood of the risk occurring and consequences if the risk is not managed and determine the best course of action for individuals. This perennial grass workshop builds on information and understanding developed from other Million hectares workshops. Participants will determine their course of action based on their specific circumstances and goals. …
Wild Dog Control : Facts Behind The Strategies, Peter Thomson
Wild Dog Control : Facts Behind The Strategies, Peter Thomson
Agriculture reports
Background information to how strategies for controlling wild dogs have been developed over the years, not just in Western Australia, but also other parts of Australia. The information is based on scientific studies, including detailed evaluations of techniques and strategies, and also considerable practical experience from doggers, operational staff and landholders. This publication focuses on sheep enterprises.
Re-Thinking The Summer Drenching Program, Brown Besier
Re-Thinking The Summer Drenching Program, Brown Besier
Journal of the Department of Agriculture, Western Australia, Series 4
The summer drenching program has provided highly effective sheep worm control in Western Australia for many years - but recent research challenges its long term sustainability.
Trial results suggest that in large parts of the State, summer drenching is the main factor leading to the development of drench resistant worms. Alternative programs less likely to lead to drench resistance will require greater monitoring of worm burdens and panning pasture moves.
Environmental Management For Animal-Based Industries : Dairy Farm Effluent, Western Australia Agriculture Western Australia Bunbury Regional Office., Dairy Industry Nutrient Strategy Working Group (W.A.)
Environmental Management For Animal-Based Industries : Dairy Farm Effluent, Western Australia Agriculture Western Australia Bunbury Regional Office., Dairy Industry Nutrient Strategy Working Group (W.A.)
Bulletins 4000 -
The effluent which collects around dairies and their associated feeding facilities should be regarded as a resource to be retained and used on the farm, rather than a waste product for disposal.
These guidelines aim to assist dairy farmers plan effluent management systems which are practical, as well as easy to install and manage, while also being acceptable to the agencies and authorities given the responsibility of protecting the environment. .
Progress Report : 1996 / Cattle Industry Compensation Act Research Advisory Committee., J Allen, J Heatherington, M Norton, B Mackintosh, W Standing
Progress Report : 1996 / Cattle Industry Compensation Act Research Advisory Committee., J Allen, J Heatherington, M Norton, B Mackintosh, W Standing
Research Reports
The Cattle Industry Compensation Fund was established under the Cattle Industry Compensation Aet 1965. Monies received on cattle sales by the Commissioner for State Taxation are paid into the Fund and matched by State Government appropriation.
Funds are held to compensate producers for losses incurred in disease eradication programs, to promote and encourage scientific research for improvement of cattle health and promotion and for purposes that, in the opinion of the Minister, will promote and encourage the cattle industry
An Advisory Committee, established by the Hon. Minister for Primary Industry makes recommendations for funding on a project basis. The Advisory …
Outdoor Pig Production In Western Australia. An On-Farm Study To Document Performance And Management Practices On Extensive Pig Farms., Roy Butler
All other publications
This paper presents data, collected between 1991 and 1995, relating to the management and performance of 10 extensive piggeries in the south west of Western Australia. The herd sizes varied from 15 to 73 sows and capital investment varied from $144 to $2,000 per sow. Labour costs also varied widely, from $84 to $996 per sow per year. Only 2 of the 10 herds exceeded the PigStats 95 average of 20.1 pigs weaned/sow/year. Pre-weaning mortality was high, and averaged 28.7%. Nine of the herds participated in the state Pig Health Monitoring Scheme and their pigs were inspected at slaughter to …
European Wasps : Eradicating An Unwanted Pest, Marc Widmer, John Van Schagen
European Wasps : Eradicating An Unwanted Pest, Marc Widmer, John Van Schagen
Journal of the Department of Agriculture, Western Australia, Series 4
European wasps were first found in Western Australis in 1977. Mark Widmer and John van Schagen outline the pest's life history and control progeams which are in place.
Other On-Station Activities For Wool Pastoralists, Mark Stevens
Other On-Station Activities For Wool Pastoralists, Mark Stevens
Journal of the Department of Agriculture, Western Australia, Series 4
The impact of low wool prices has been most severe on specialist wool growers who have little scope for diversification, particularly those in the pastoral area.
Although there are limited opportunities for new enterprises on all pastoral stations, individual pastoralists are examining other on-station activities to determine which ones might be suitable. In doing so, they are evaluating:
• location (proximity to a major highway or population centre);
• natural attractions (coast, gorges, river, wildflowers);
• natural resources (native fauna and flora); and
• water supply (quantity and reliability of good quality water).
Diversification In The Woolbelt, John Allen
Diversification In The Woolbelt, John Allen
Journal of the Department of Agriculture, Western Australia, Series 4
The productivity and diversification initiative for wool growers incorporates two leves of diversification.
Greatest emphasis is placed on industry wide increases in cropping intensity and in the range of crop types grown.
The second level involves non-traditional, alternative enterprises, each offering prospects for expansion of a limited number of wool growing businesses, suited to particular parts of the woolbelt.
The alternative enterprises include floriculture, aquaculture, export hay, farm tourism, commercial timber, horticulture and new animal industries.
An Update On The Biological Control Of Rabbits, Stuart Wheeler
An Update On The Biological Control Of Rabbits, Stuart Wheeler
Journal of the Department of Agriculture, Western Australia, Series 4
When myxomatosis was introduced into Western Australia in the early 1950s, farmers, pastoralists and government alike thought it was an answer to the rabbit problem.
The disease was devastatingly effective in the short term and initially had a 99 per cent kill rate. With time, the virus declined in strength, and the surviving rabbits have multiplied.
There have been many recent reports about new forms of biological control for rabbits and potential improvements in old ones.
This article summarises each of the prospective methods and improvements, and assesses the potential usefulness of each.
Red Kangaroos Can Set Back Range Regeneration, Andrew Mclaughlin
Red Kangaroos Can Set Back Range Regeneration, Andrew Mclaughlin
Journal of the Department of Agriculture, Western Australia, Series 4
After years of severe drought, stocking rates in Western Australia s arid rangelands have been kept low since the 1970s to allow native pastures to regenerate. As well, extensive re-seeding programs have started and sheep and cattle grazing on these areas has been restricted or eliminated. However, pasture regeneration in the rangelands can only succeed when grazing by all animals - sheep, cattle, kangaroos, goo.ts, camels, brumbies and donkeys - is controlled Many more red kangaroos roam throughout Western Australia's pastoral areas today than 20 years ago. The installation of windmills and troughs to water domestic livestock has allowed kangaroo …
Animal Production From Tagasaste Growing In Deep Sands In A 450 Mm Winter Rainfall Zone, Chris Oldham, Greg Allen, Peter Moore, Bruce Mattinson
Animal Production From Tagasaste Growing In Deep Sands In A 450 Mm Winter Rainfall Zone, Chris Oldham, Greg Allen, Peter Moore, Bruce Mattinson
Journal of the Department of Agriculture, Western Australia, Series 4
In 1985, Martindale Pty Ltd, Sir James McCusker's family company, signed a unique research contract with Professor David Lindsay of the University of Western Australia. The aim of the Martindale Research Project was to study ways of increasing farm productivity in the sheep-wheat zone of south-western Australia. A primary focus was the high cost of grain or hay used to fill the autumn feed gap in grazing systems.
However, it was not clear how or if tagasaste might be economically used to replace the grain and/or hay traditionally fed by hand to sheep and cattle in autumn.
Trees And Livestock : A Productive Co-Existence, Richard Moore
Trees And Livestock : A Productive Co-Existence, Richard Moore
Journal of the Department of Agriculture, Western Australia, Series 4
Trees, as part of farming can help to combat land degradation problems and produce a good economic return from timber at the same time. For example, there is now clear evidence that planting trees can help combat salinity by lowering water-table levels. Trees can also substantially improve overall farm productivity by providing shelter for pastures and livestock. The challenge is to find practical and economical methods of integrating trees and farming. A combination of widely-spaced trees and livestock is one promising method. This article describes the benefits of this type of agroforestry to farmers, suitable locations and how to practice …
Veterinary Consultancy Boosts Piggery Profits, Ashley Mercy
Veterinary Consultancy Boosts Piggery Profits, Ashley Mercy
Journal of the Department of Agriculture, Western Australia, Series 4
A pilot Pig Herd Health Management Scheme co-ordinated by the Department of Agriculture has stimulated much increased involvement of veterinarians in the Western Australian pig industry. Co-ordinated by Ashley Mercy, principal veterinary officer (epidemiology) horn 1985 to 1989, the scheme demonstrated the value of having regular visits from veterinary consultants and in implementing programs to prevent disease and production problems occurring in herds.
Can Kangaroos Survive In The Wheatbelt?, Graham Arnold
Can Kangaroos Survive In The Wheatbelt?, Graham Arnold
Journal of the Department of Agriculture, Western Australia, Series 4
One of the costs of agricultural development in Western Australia over the past 100 years has been the loss of most of the native vegetation and, consequently, massive reductions in the numbers of most of our native fauna. Thirteen mammal species are extinct and many bird and mammal species are extinct in some areas. These losses will increase as remnant native vegetation degrades under the impact of nutrients washed and blown from farmland, from the invasion by weeds and from grazing sheep.
Even kangaroos are affected. Unless the community manages remnant vegetation to minimise degradation and enhance the regeneration of …
The Western Australian Pig Health Monitoring Scheme, Ashley Mercy
The Western Australian Pig Health Monitoring Scheme, Ashley Mercy
Journal of the Department of Agriculture, Western Australia, Series 4
Over 30,000 slaughter pigs from 245 Western Australian piggeries have been examined for the presence of 16 diseases since the Western Australian Pig Health Monitoring Scheme (PHMS) started in January 1987. The scheme was developed by the author in conjunction with Dr Chris Brennan, a pig veterinary consultant. Monitoring of slaughter pigs is an important part of providing an effective veterinary service to commercial piggeries. It can be used in accreditation schemes and to help in certifying herds free of particular disease
Direct Selling Is A Plus For Cattle Producers, P G. Frapple
Direct Selling Is A Plus For Cattle Producers, P G. Frapple
Journal of the Department of Agriculture, Western Australia, Series 4
The aim when marketing cattle is to maximise the net return with the minimum level of risk. To do this a producer needs an accurate description of the stock for sale and information on the likely gross returns and costs of selling through the different marketing systems.
Since producers' selling costs and processors' buying costs are lower in direct sales, it is more likely that net returns from direct delivery will be higher.
Intensive Animal Industries In The Peel-Harvey Catchment, R W. Payne
Intensive Animal Industries In The Peel-Harvey Catchment, R W. Payne
Journal of the Department of Agriculture, Western Australia, Series 4
The Swan coastal plain to the north and south of Perth is attractive for the intensive production of pigs and poultry for several reasons. It is close to markets, feed manufacturers and labour; has a less extreme climate than inland areas; and is underlain by a large reserve of high quality groundwater.
Because these are all intensive operations, large quantaties of nutrient-rich waste are produced over a very small area. They can severely damage ground and surface waters unless steps are taken to control the wastes which they produce.
This article oulines both the nature of intensive aniamal industries in …
The Sandplain Lupin : Its Nutritional Value And Grazing Management, P W. Morcombe
The Sandplain Lupin : Its Nutritional Value And Grazing Management, P W. Morcombe
Journal of the Department of Agriculture, Western Australia, Series 4
The sandplain lupin or Western Australian blue lupin (Lupinus cosentinii) was introduced to the West Midlands at the turn of the last century. Since that time it has been used as a self-regenerating summer forage for sheep and cattle.
Being deep rooted, it has adapted well to the sandy soils from Perth to Northampton, and plantings now cover more than 100,000 ha.
As few other improved pasture species will persist on these deep sands the sandplain lupin provides an important source of summer feed for grazing livestock. A stand can be grazed throughout summer at stocking rates of 10 to …
Survey Of Parasite Control Practices In Sheep And Cattle, J R. Edwards, R V R Gwynn, R A. Love, Richard Thomas Norris, G Dalton-Morgan, Brown Besier
Survey Of Parasite Control Practices In Sheep And Cattle, J R. Edwards, R V R Gwynn, R A. Love, Richard Thomas Norris, G Dalton-Morgan, Brown Besier
Technical Bulletins
Farms in the Albany, Esperance, Jerramungup and Katanning districts were surveyed to determine parasite control strategies currently used, to evaluate the adoption of recommended control practices and to detect areas of ineffective parasite control. For cattle, the number of drenches given in the low rainfall zone was higher than the number given in the high rainfall zone.
Atrophic Rhinitis In Pigs, A R. Mercy
Atrophic Rhinitis In Pigs, A R. Mercy
Journal of the Department of Agriculture, Western Australia, Series 4
Severe atrophic rhinitis in pigs recurred recently in Australia after an apparent absence of some 20 years. The first of these recent cases occurred in a Westerm Australian herd in late 1984 and since then six other local herds have reported the disease. Severe atrophic rhinitis has also been seen recently in South Australia.
Atrophic rhinitis is a complex disease which causes degeneration of the nasal cavity, twisting of the snout and sometimes occasional bleeding from the nose.
It occurs only in pigs and severely affected animals may have a slower growth rate.
Rabbits North Of Carnarvon, D R. King
Rabbits North Of Carnarvon, D R. King
Journal of the Department of Agriculture, Western Australia, Series 4
In Westeern Australia rabbits are mainly a pest along the south-western coastal parts of the State, but there are populations north of the Tropic of Capricorn. Rabbits after crossing the Nullarbour plain from South Australia and colonising the South-West of the State, were reported to have reached the west coast near Geraldton by 1912 and then spread northwards.
There is little information on the biologhy of rabbits in the northan parts of their range, but pastoralists in some areas are concerned about erosion and damage to vegetation on their stations when rabbits reach high numbers.
The Agricultural Protection Board undertook …
Feral Donkeys : An Assessment Of Control In The Kimberley, S H. Wheeler
Feral Donkeys : An Assessment Of Control In The Kimberley, S H. Wheeler
Journal of the Department of Agriculture, Western Australia, Series 4
Feral donkeys are one of the major limitations to increased pastoral production in many parts of the Kimberley area of Western Australia, where they compete with cattle for food. In addition donkeys are aggressive animals, driving cattle from watering points and better grazing areas. They eliminate perenial plants by overgrazing and therefore reduce the carrying capacity of the range.
Originally introduced as draught animals, donkeys were released when cars arrived; since then they have bred up to large numbers in many areas.
For several years the Agricultural Protection Board has undertaken a programme of donkey shooting from helicopters. Since this …
Lupinosis : A Disease Still With Us, Jeremy G. Allen, P. Mcr. Wood, K. P. Crocker, J. Hamblin
Lupinosis : A Disease Still With Us, Jeremy G. Allen, P. Mcr. Wood, K. P. Crocker, J. Hamblin
Journal of the Department of Agriculture, Western Australia, Series 4
Current research on lupinosis continues to reveal what a complex problem it is, but the improved understanding should help to reduce losses.
Saving The State From Rabbits, Department Of Agriculture, Western Australia
Saving The State From Rabbits, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
A thoughtful look at the rise and fall of rabbit populations in Western Astralia and the work done to achive the current levels.
Controlling Annual Ryegrass Toxicity, C H. Trotman
Controlling Annual Ryegrass Toxicity, C H. Trotman
Journal of the Department of Agriculture, Western Australia, Series 4
Eight years of intensive work has changed annual ryegrass toxicity from an unknown killer to a manageable problem.
Economics Of Farm Water Supplies, P P. Eckersley
Economics Of Farm Water Supplies, P P. Eckersley
Journal of the Department of Agriculture, Western Australia, Series 4
The economics of farm water supplies can be studied in two ways. One is to compare the costs of alternative ways of supplying a specified quantity of water to a farm. Another is to calcu;ate how mucha farmer can afford or will pay for a water supply.
I propose to look at these questions from the point of vieew of an eastern wheatbelt farmer, assuming that he must pay the full costs of any water supply provided for his property.
The Oombulgurri Project Clancy Committee Report, D J. Clancy, P Mccosker, C Mayberry, A J. Millington, P Ryan
The Oombulgurri Project Clancy Committee Report, D J. Clancy, P Mccosker, C Mayberry, A J. Millington, P Ryan
All other publications
In early August the Oombulgurri community requested assistance in the following terms.
"On behalf of the Oombulgurri Community, we invite assistance in developing the grain and pasture cropping at Oombulgurri. We have experimented with peanuts, sorghum, and many varieties of vegetables. This has tested the reality of hopes to expand acreage and varieties to become self-sufficient in stock feed. The Farm and Garden Guild now needs the expertise of your services to plan a four-year programme. vie need assistance in choosing from the many options, opinions and advices available from Australia and elsewhere, for grain production, pastures, methods appropriate to …