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- Sheep (5)
- Western Australia (4)
- Fisheries management (3)
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- Reproductive performance (2)
- Amusium balloti (1)
- Analysis (1)
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- Depleted stocks (1)
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- Feeding behaviour (1)
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Articles 1 - 20 of 20
Full-Text Articles in Animal Sciences
A Development Plan For The South Coast Inshore Trawl Fishery, Fisheries Department Of Western Australia
A Development Plan For The South Coast Inshore Trawl Fishery, Fisheries Department Of Western Australia
Fisheries management papers
In March 1986 discussions were commenced between officers of the Fisheries Department and the Australian Fisheries Service concerning management measures for trawl fishery in the Great Australian Bight. These measures were considered necessary as a Western Australian Company (Toskel Fishing Co.) had commenced fishing the area. Given the excess fishing capacity in other Australian trawl fisheries it was considered advisable to institute management at an early stage and control development of this deep water fishery. Concurrent with these developments, mainly directed towards the control of larger trawlers in deeper waters, several small Western Australian trawlers operating out of Esperance and …
Report Of The Rock Lobster Industry Advisory Committee To The Hon. Minister For Fisheries., Rock Lobster Industry Advisory Committee
Report Of The Rock Lobster Industry Advisory Committee To The Hon. Minister For Fisheries., Rock Lobster Industry Advisory Committee
Fisheries management papers
The Committee recognises that the exploitation rate on the rock lobster stocks is very high and that this factor is a major importance in formulating the advice on management measures. However, the Committee also recognises the high level of capital investment in the industry and that any recommendation which leads to a significant change in the management rules is likely to have a far reaching effect on many of the participants. Accordingly, the Committee endeavours to reduce to a minimum the year to year changes in the management rules. When changes are required the Committee places considerable weight on matters …
The Shark Bay Scallop Fishery: Discussion Paper, L. M. Joll
The Shark Bay Scallop Fishery: Discussion Paper, L. M. Joll
Fisheries management papers
Studies of the biology of the saucer scallop Amusium balloti in Shark Bay show that it is a highly fecund, broadcast spawner, with a long breeding season (from April to December). It is also a fast growing species, with the bulk of the recruits from a breeding season reasing fishable size by April/May of the next year, at which time they also enter their first breeding season. In recent years, however, the earlier part of the breeding season appears to have been the most important for production of recruits.
Further Options For Management Of The Shark Bay Snapper Fishery : Discussion Paper., P. Millington
Further Options For Management Of The Shark Bay Snapper Fishery : Discussion Paper., P. Millington
Fisheries management papers
A limited entry fishing regime for snapper was introduced in Shark Bay in order to constrain growth in fishing effort. Additional measures were introduced to reduce the number of vessels in the fishery, control areas fished and limit permitted fishing gear, with the ultimate objective of reducing catches from traditional fishing areas to long term sustainable levels.
Studies On Times Of Lambing In Ewes Grazing Subterranean Clover Based Pastures In Relation To Stocking Rates In South-Western Australia, H Lloyd Davies
Studies On Times Of Lambing In Ewes Grazing Subterranean Clover Based Pastures In Relation To Stocking Rates In South-Western Australia, H Lloyd Davies
Technical Bulletins
The investigation is reported in six parts: effect on ewe liveweight and fertility, lamb losses, effect on lamb growth and subsequent growth after weaning, wool production, pasture production and composition, and conclusions and practical implications. The results show that in the absence of supplementary feeding the physiological requirements of ewes in late pregnancy are better met by spring rather than autumn lambing.
Western Rock Lobster Industry Compensation Study. Report To The Rock Lobster Industry Advisory Committee By Arthur Young Services., Arthur Young Services
Western Rock Lobster Industry Compensation Study. Report To The Rock Lobster Industry Advisory Committee By Arthur Young Services., Arthur Young Services
Fisheries management papers
Terms of reference are outlined in letter dated 11 August 1986. The Fisheries Department seeks to reduce western rock lobster fishing capacity to ensure the long-term viability of the fishery and has asked us to evaluate the financial implications of a number of specific resource management proposals.
Report Of The Rock Lobster Industry Advisory Committee Meeting Of 27 January 1987 - Report By The Chairman Mr. B.K. Bowen., B. K. Bowen
Fisheries management papers
The Rock Lobster Industry Advisory Committee met in Perth on Tuesday 17 January 1987. Committee discussed the following: Policy on 5% pot loss on replacement of vessels less than six years old. Study of industry funded compensation mechanism for fishing capacity reductions. 20 Fathom rule. Future maintenance of the zone E boundary. The recreational Rock Lobster Fishery. Rock Lobster pot distribution. Options for a 10 per cent reduction in fishing effort. 1987 coastal tour. Augusta-Windy Harbour Rock Lobster Working Group. Report on the 1986/87 season.
Consumption Of Water By Livestock, G J. Luke
Consumption Of Water By Livestock, G J. Luke
Resource management technical reports
No abstract provided.
Sheep Production Systems On Mediterranean Annual Pastures., Department Of Agriculture, Western Australia.
Sheep Production Systems On Mediterranean Annual Pastures., Department Of Agriculture, Western Australia.
Experimental Summaries - Plant Research
Trial 84V2.
Location: Vasse Research Station
Aims: To define seasonal pasture production curves for three rainfall zones in Western Australia. To determine animal productivity under different production systems in response to seasonal pasture production. To provide Western Australian data useful for validation of sheep simulation models. To provide data for different production systems to increase the scope of the simulation models.
Dust Elimination From Outdoor Feedlots For Sheep, D J. Carter
Dust Elimination From Outdoor Feedlots For Sheep, D J. Carter
Journal of the Department of Agriculture, Western Australia, Series 4
The humble woodchip, widwly used as a soil mulch in Western Australian gardens, is set tto take a new role as a dust inhibito in assembly yards used to hold live sheep for export.
Research by the Department of Agriculture's Soil Conservation Service Branch has shown that, of the materials tested, woodchips were the most effective in preventing dust being generated. Wind speeds had to approach a "near gale" before dust developedfrom the protected soil.
The use of woodchips, therefore, provides a practical alternative to stabalising the soil and preventing an environmental problem associated with one of the State's valuable …
Sheep Lice : Prospects For Eradication, F C. Wilkinson
Sheep Lice : Prospects For Eradication, F C. Wilkinson
Journal of the Department of Agriculture, Western Australia, Series 4
Sheep biting lice have been controlled over the past 86 years in Western australia by a combination of routine insecticidal treatment after shearing and action by the department of Agriculture officers under legislation.
In July 1987 the sheep industry and the State Government will implement a plan to eradicate lice from sheep flocks in the agricultural areas and eventually in the pastoral areas. To achieve this the co-operation of many sectors of the industry will be required. Assuming co-operation is forthcoming, it is possible that by 1996 wool from agricultural areas will be free of lice and insecticidal treatment form …
Feeding Behaviour Of Live Sheep During Export, C L. Mcdonald
Feeding Behaviour Of Live Sheep During Export, C L. Mcdonald
Journal of the Department of Agriculture, Western Australia, Series 4
Live sheep exporters in Western Australia often hold as many as 00 000 sheep in assembly feedlots while the consignment is being purchased and assembled before shipment. During the assembly phase the sheep ane introduced to the pelleted rations used on board.
Industry reports have highlighted the wide variability in condidtions, facilities and procedures used, and showed that there was little evidence from which to make recommendations to the live sheep shipping indudtry. This article discusses ten experiments by the Department of Agriculture from 1981 to 1985 designed to investigate what influences the feeding behaviour of Merino wethers under conditions …
Production From Heifers And First Calvers, G J. Sawyer
Production From Heifers And First Calvers, G J. Sawyer
Journal of the Department of Agriculture, Western Australia, Series 4
Heifers and first calvers present the major problems of the beef breeding herd. Reproduction rates, calf growth and survival of first calvers are generally much poorer than those of adult breeders.
Early successful reproductive performance is important in beef herds because of the high overhead cost of keeping breeding beef heifers or cows, Where possible, beef producers should aim to join heifers at 14 to 15 months of age. To achieve this goal, producers should set production targets for those animals. These targets will differ from farm to farm depending on when calves are turned off and the seasonal feed …
Herd Improvement Service Forges Ahead, M P. Bond
Herd Improvement Service Forges Ahead, M P. Bond
Journal of the Department of Agriculture, Western Australia, Series 4
Since its establishment three years ago, the Herd Improvement Service has steadily expanded the range of services provided to Western Australian livestock producers. The genetic advancement and improved hers management offered by the service give farmers the ability to use modern technology in the most cost-effective way. There is an increasing realisation amongst farmers that to survive and remain competitive, it is worthwhile to invest in such technology.
The Herd Improvement Service is a statutory corporation which was formed to improve the productivity of the State's livestock enterprises. Most of the organisation's activities have been directed to servicing the dairy …
Barber's Pole Worm : A New Solution, R B. Besier
Barber's Pole Worm : A New Solution, R B. Besier
Journal of the Department of Agriculture, Western Australia, Series 4
Barber's pole worm (Haemonchus contortus) has been a major problem to the sheep industry for many years. About ten million sheep graze in Western Australia's high rainfall areas where barber's pole worm is prevalent, and the annual cost of losses and control totals millions of dollars each year.
Research in progress in Albany now offers the prospect of prolomged and reliable control of barber's pole worm, by means of few drench treatments.
Analysing Feeds For Cattle, Sheep And Goats, D J. Barker
Analysing Feeds For Cattle, Sheep And Goats, D J. Barker
Journal of the Department of Agriculture, Western Australia, Series 4
The Department of Agriculture's Feed Evaluation Unit at Bunbury provides a service for farmers and allied industries on a fee-for-service basis, and conducts analyses for research officers, advisers and organisations such as the University ofWestern Australia. It also analyses feedstuffs for Departments of Agriculture in other States.
The Unit analyses about 5000 samples each year. The work load is high because no other laboratory in Western Australia provides the same service. Results are recorded on a computer which makes it easy t6o retrieve results of analyses of particular types of feedstuffs or froma particular owner or district.
Survival Of Lambs, R W. Kelly, David Lindsay
Survival Of Lambs, R W. Kelly, David Lindsay
Journal of the Department of Agriculture, Western Australia, Series 4
Between one in every five or six lambs that are born each year in Western Australia die at or about the time of birth. This represents a loss approaching two million lambs and is arguably out single greatest wastage in sheep production. The deaths have an immediate impact on lambing performance and therefore lamb sales, and ultimately effects on such areas as selection of breeding replacement stock, the proportion of ewes and weathers that can be run in a self-replacing flock and the amount of wool produced and its uality.
This article summarises information on what influences lamb survival, and …
The Awassi Fat Tail Sheep Project, R J. Lightfoot
The Awassi Fat Tail Sheep Project, R J. Lightfoot
Journal of the Department of Agriculture, Western Australia, Series 4
Australia's first Awassi fat tail lambs arrived at Kununurra in January 1987, completing the first major step in an ambitious project to establish a fat tail sheep breeding industry in this country.
Fat tail sheep bred in the Middle East attract much higher prices than merino wethers imported from Australia. The question to be resolved through our product development and market research is what premiums will Middle Eastern buyers pay for fat tail sheep bred in Australia and exported to the region.
The Department of Agriculture believes that there is potential for Sustralian producers to enter these new markets without …
Live Sheep Exports : Market Update, E J. O'Loughlin
Live Sheep Exports : Market Update, E J. O'Loughlin
Journal of the Department of Agriculture, Western Australia, Series 4
The live sheep export trade has made an important contribution to the Western Australian sheep industry, with the value of exports peaking at $100 million f.o.b. in 1980-81. In that year Western Australia accounted for 61 per cent of the value of Australian exports of live sheep. In addition, the growth of the live export industry has contribuited to higher prices for other catagories of sheep than would otherwise have been the case.
Dairy Herd Recording, R D. Maughan, Frank Treasure
Dairy Herd Recording, R D. Maughan, Frank Treasure
Journal of the Department of Agriculture, Western Australia, Series 4
Fifty-five percent or 320 of Western Australia's daity farmers participate in the dairy herd recording, the highest percentage of dairy farmers who use herd recording in any Australian State.
Herd recording provides the dairy farmer with an accurate measure and record of individual caw and hers performance. Information on milk, fat and protein production, the level of mastitis infection and breeding values assists the dairy farmer with his herd management and selection of cows. The herd recording facility is provided by the Herd Improvement Service and the fees are based on an annual herd fee and a lactation fee for …