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Ram scrotum with no obvious swellings, however palpation may detect abnormalities in the epididymal or testicle tissue

Ovine brucellosis

10 July 2014

Ovine brucellosis is a reproductive disease that can affect all breeds of sheep.

Bulletin 4897 cover

2019 canola variety guide for Western Australia

2 July 2014

The DPIRD Canola variety guide for Western Australia 2019 has been developed to assist growers compare canola varieties. It provides a summary of yield, oil and blackleg resistance of commercially

Brahman cattle in export yards

Bluetongue virus

8 July 2014

Bluetongue virus can infect all ruminants but it usually only causes serious disease in sheep. Cattle may be infected with the virus but rarely show disease.

A lupin crop at the 80% leaf drop stage ideal for a crop-topping application

Crop-topping pulse crops

28 July 2014

'Crop-topping' is the late application of herbicides to prevent weed seed-set.

A subclover and barleygrass pasture that has been spray-topped on the right hand side

Effect of spray-topping on pasture legumes

28 July 2014

Spray-topping is a very effective method for managing annual grass seed set in pastures.

Sheep grazing pastures in spring

Spray-topping pastures

28 July 2014

Spray-topping or pasture topping is the application of a sub-lethal rate of herbicide when grasses are coming into head and flowering.

Map showing a number of catchments in south-west Western Australia

Whole farm nutrient mapping

3 July 2014

The whole farm nutrient mapping procedure described here applies to pastures in the greater than 600mm rainfall zone of south-west Western Australia.

Vineyard view at Margaret River

Wine Industry Newsletter

1 July 2014

Since 1981 the Department of Primary Industries and Regional Development has been distributing a quarterly newsletter for the Western Australian wine industry.

Pig with reddened ears showing signs of African swine fever. Used with permission of the Pirbright Institute

Emergency pig disease: African swine fever (ASF)

4 July 2014

African swine fever (ASF) is a highly contagious virus that causes an often fatal disease in pigs and wild boar.

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Growing avocados: flowering, pollination and fruit set

7 July 2014

Avocados have an unusual flowering behaviour that is affected by temperature, particularly cold conditions which can impact on the level of fruit set.

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