Life Sciences Commons^™

Remarkable Success Of Bovine T.B. Eradication Campaign, J Shilkin

Journal of the Department of Agriculture, Western Australia, Series 4

Less than 20 years ago Perth dairy herds had the highest T.B. incidence of any Australian capital city and half of the Kalgoorlie cattle had the disease.

Why this was so and how the eradication campaign has reduced the incidence of less than 0.3 per cent, in 128,000 cattle is discussed in this article.

Lot Feeding Of Beef Cattle. 5. Feed Lots And Animal Health, W J O Wilkie

Journal of the Department of Agriculture, Western Australia, Series 4

BRINGING cattle from various sources together in a feed lot makes them more liable to disease than they would be in the open paddock.

Precautions, careful selection, prevention and vaccination can reduce the risk of disease and the possible need for treatment during the feed lot fattening period.

Calfhood Diseases. 1. Gastro-Intestinal Diseases, M R. Gardiner

Journal of the Department of Agriculture, Western Australia, Series 4

CALFHOOD disease may be divided for convenience into three main categories:

• Those affecting the gastro-intestinal tract, including diseases of an infectious nature and those arising as a result of infestation by worms (parasitism).

• Those affecting the respiratory system, including lungworms.

• Those resulting from nutritional deficiencies, especially vitamins and minerals.

Congenital Abnormalities In Sheep In Western Australia, Stanley M. Dennis

Journal of the Department of Agriculture, Western Australia, Series 4

IN every flock of sheep an abnormal or deformed lamb is seen from time to time.

But in some flocks in some years the incidence of these abnormal lambs is higher than usual.

Calfhood Diseases. 2. Respiratory And Nutritional Deficiency Diseases, M R. Gardiner

Journal of the Department of Agriculture, Western Australia, Series 4

MOST of the common organisms found in the environment of calf sheds and yards may at times be responsible for respiratory infections, to which the young animal is very susceptible.

Cow's Hoofs Need To Be Watched, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

THE need for thorough trimming of the hoofs of sheep for the control of foot rot is recognized, but few realize the need for trimming the hoofs of cattle.

Why Did These Lambs Die?, Stanley M. Dennis

Journal of the Department of Agriculture, Western Australia, Series 4

INVESTIGATIONS over the past two years have shown that most lamb deaths in Western Australia occur during the first three days of life, that is, in the critical neonatal period.

Most of the lambs died between 24 and 72 hours after birth.

Congenital Abnormalities In Sheep, Stanley M. Dennis

Journal of the Department of Agriculture, Western Australia, Series 4

More than 60 forms of abnormality have been found in lambs in Western Australia and in some flocks the proportion of particular abnormalities has been as high as 8 per cent, of lambs born.

In this article Dr. Dennis discusses the causes of abnormalities and reports progress of a Statewide survey of congenital abnormalities.

Time Of Lambing At Esperance, R J. Doyle

Journal of the Department of Agriculture, Western Australia, Series 4

ESPERANCE is one of the few places in Western Australia at which experiments over three years have shown a definite improvement in number of lambs produced to marking, as a result of lambing in the August-September period.

Sheep Breeding Problems In W.A. : The Industry's View, Stanley M. Dennis

Journal of the Department of Agriculture, Western Australia, Series 4

IN 1963 a short questionnaire was distributed to farmers and pastoralists seeking information about sheep breeding problems and lamb losses.

This was a fore-runner to the Department of Agriculture survey into the causes of abortion and lamb mortality which is reported elsewhere in this issue.

Pullorum Tested Poultry Flocks, 1965, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

PULLORUM disease has been virtually eliminated from breeding and hatchery poultry flocks in Western Australia by the annual blood-testing of all birds and the destruction of reactors.

Urinary Calculus Disease Of Sheep In Western Australia, M R. Gardiner

Journal of the Department of Agriculture, Western Australia, Series 4

THE formation of concretions in the urinary tract of rams and wethers is one of the most persistent causes of loss of sheep in Western Australia, and has been so for many years.

A Sheep Management Calendar For Lambing On Green Feed, H E. Fels, J. A. C. Smith

Journal of the Department of Agriculture, Western Australia, Series 4

The calendar contained in this article has been drawn up by officers of the Wheat and Sheep Division as a guide to farmers who plan to adopt July-August lambing.

The article also summarises the advantages and complications of later lambing (as opposed to the conventional autumn lambing) and discusses farm management programmes to deal with the problems in various districts.

Mastitis : Its Prevention And Control. 1. The Udder In Health And Disease, F C. Wilkinson

Journal of the Department of Agriculture, Western Australia, Series 4

This is the first of a series of four articles on mastitis which will appear in consecutive issues of the Journal of Agriculture.

This is an introductory article describing the cow's udder in health and disease.

Mastitis : Prevention And Control. 2. Principles Of Mastitis Control, F C. Wilkinson

Journal of the Department of Agriculture, Western Australia, Series 4

MASTITIS is a major cause of financial loss in over half our dairy herds.

Losses result from treatment costs, milk discarded, permanent loss of milk production, culling, lowering of solids-not-fat content and loss of butter-fat production.

Mastitis CAN be controlled. This article outlines the basic principles of mastitis control in the milking shed.

Dead Lambs : A Dead Loss, Stanley M. Dennis

Journal of the Department of Agriculture, Western Australia, Series 4

During the past year the Animal Health Laboratory has continued its survey into the causes of abortion in sheep and perinatal lamb losses.

This article records the results of this work.

LAMBS and specimens from lambs were submitted to the Animal Health Laboratory from 229 properties situated in 121 areas in this survey during 1964.

Post-mortem examination was carried out on 1,422 lambs and specimens from 61 lambs were also examined.

Vibriosis In Sheep, Stanley M. Dennis

Journal of the Department of Agriculture, Western Australia, Series 4

OVINE VIBRIOSIS or vibrionic abortion, a serious disease of breeding ewes, has been known for almost 50 years and has been reported from most of the important sheep breeding areas of the world.

It is capable of causing serious economic loss.

Mastitis : Prevention And Control. 3. Implementing The Mastitis Control Programme, F C. Wilkinson

Journal of the Department of Agriculture, Western Australia, Series 4

FARMERS who have followed the first two articles in this series should by now have established the recommended milking routine and be familiar with it.

The Control Of Stock Medicines, J Shilkin

Journal of the Department of Agriculture, Western Australia, Series 4

WHILST it is generally known that medicines sold for human use are the concern of the various health authorities throughout Australia and that many precautions are taken to ensure that these are both safe and efficient, it may not be so widely known that the sale of preparations for both internal and external use in stock is controlled for the same purposes by the veterinary authorities.

How To Care For Orphan Lambs, Stanley M. Dennis

Journal of the Department of Agriculture, Western Australia, Series 4

WITH the current high price and shortage of sheep in W.A., farmers might consider the bother of artificially rearing orphan lambs more worthwhile than before.

Control Of Lice On Poultry, B R. Vale

Journal of the Department of Agriculture, Western Australia, Series 4

DURING February and March of 1965 some particularly heavy body lice infestations were found on fowls in both deep litter and cage units in Western Australia.

In some instances comparatively new laying cage units were involved.

The most seriously affected flocks showed marked unthriftiness and depressed egg production.

Robinia : The False Acacia, Robert Dunlop Royce

Journal of the Department of Agriculture, Western Australia, Series 4

ROBINIA, the false acacia, is a tree up to 60 feet high, and is native to the eastern United States.

There it develops a trunk 3 or 4 feet in diameter and produces a hard close grained and durable timber.

In America it is known as black locust or simply as locust.

Pig-Pox, F C. Wilkinson

Journal of the Department of Agriculture, Western Australia, Series 4

THE lesions of pig-pox appear rather alarming when seen for the first time.

Fairly large red areas initially appear on the pig's skin followed later by scab formation, with healing two or three weeks after the first appearance of the disease.

Have You A Lambing Problem?, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

Here are the steps you should take if you have or suspect a breeding problem in your flocks.

Fatique In Caged Layers, P Smetana

Journal of the Department of Agriculture, Western Australia, Series 4

Pullets found immobilised on the floors of their laying cages may only be suffering from the easily-treated "cage layer fatigue" and should be checked for this before being disposed of as affected with the incurable fowl paralysis.

Good Facilities Help T.B. Testing, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

Owner co-operation is needed for the smooth working of the tuberclin testing of cattle, compulsory in the South-West Land Division.

This article describes suitable facilities for the testing and how they operate.

Mastitis : Prevention And Control. 4. The Mastitis Control Programme Continued, F C. Wilkinson

Journal of the Department of Agriculture, Western Australia, Series 4

PREVIOUS articles in this series have described mastitis and the principles of mastitis control, and suggested how a control programme may be established.

This article outlines the routine measures which should be maintained for continuation of the programme.

Stinkwort (Inula Graveolens Desf.), G R W Meadly

Journal of the Department of Agriculture, Western Australia, Series 4

THE original home of stinkwort is the Mediterranean region, including northern France. Apparently the first Australian record was at Onkaparinga in South Australia about 90 years ago.

Efforts were made to keep it in bounds during the years immediately following introduction, but it continued to spread and is now f i r m ly established in all agricultural districts of South Australia.

It also covers large tracts of land in New South Wales and Victoria and occurs in most districts of Western Australia.

Starvation In Newborn Lambs, Stanley M. Dennis

Journal of the Department of Agriculture, Western Australia, Series 4

INVESTIGATIONS over the past three years have shown that most lamb deaths in Western Australia occurred within the first three days of life.

Sixty per cent, of these losses were due to starvation/mismothering.

More Light On Lamb Losses : Third And Final Report Of A Survey Of Lamb Mortalities In W.A, Stanley M. Dennis

Journal of the Department of Agriculture, Western Australia, Series 4

DURING the past three years the Department of Agriculture's Animal Health Laboratory carried out an investigation into the causes of perinatal lamb losses.

This article records the results of this work.