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Jennifer Marohasy

Jennifer Marohasy

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Food & Farming

Killing Mice, So We Can Eat Bread

October 3, 2005 By jennifer

A note to vegetarians from page 147 of Michael Archer and Bob Beale’s book ‘Going Native’:

“… clearing fields to produce more monoculture of plants to provide for vegetarians will result in millions more dead animals and plants. Even more will perish each time those fields are ploughed. In a recent study, using figures provided by CSIRO, John Kelly of the Kangaroo Industry Association of Australia showed that in Australia using land for grain production results in far more dead sentient animals per kilogram of usable protein than does land for grazing to produce meat.

Here’s the arithmetic, using cattle and wheat as examples. One cow produces about 100 kilograms of boneless meat, of which 23 kilograms is protein. That translates to about 0.044 lives lost per kilogram of useable protein produced. Contrasting this with grain production, the CSIRO data indicate that on average there is a mouse plague in any given grain producing area about once every four years. During these plagues, mouse number rise to, and often beyond, 1000 per hectare. These plagues are controlled by poisons or lethal traps, which kill at least 80 per cent of the mice. This means that every year, at least 200 mice per hectare are killed to grow grain. Given that on average about 1.8 tonnes of wheat are produced per hectare, and that about a quarter of this is useable protein, 0.44 lives are lost per kilogram of protein to produce wheat. In short, growing wheat results in 10 times as many deaths as beef production.

We presume here that advocates of herbivory will not argue that a cow’s life is somehow of great moral value than that of a mouse. Each is a gregarious social mammal with a suitably sized brain and well-developed nervous system.”

No, but do we eat bread for protein? What do the figures look like if we compare, say total calories?

Filed Under: Uncategorized Tagged With: Food & Farming

Vitamin A, Meat & CSIRO

September 30, 2005 By jennifer

“Lack of vitamin A promotes the death of about 6000 children per day, worldwide, from infectious disease. This is a tangible health hazard of vast scope that dwarfs any hypothetical hazard attributed to genetically modified (GM) foods.”

… begins David Tribe in his new article in Issues magazine.

The September issue also includes an article by Rosemary Stanton that makes some comment about eating meat and the environment with reference to ‘The CSIRO Total Wellbeing Diet’ including…

“The Diet’s heavy promotion of meat consumption suits the interests of its sponsors, but ignores the damage to health and the environment associated with too much red meat.”

Filed Under: Uncategorized Tagged With: Food & Farming

The Dutch Ban Free-Range Chooks

September 18, 2005 By jennifer

While in the US, the Prime Minister announced that Australia is joining the new International Partnership on Avian and Pandemic Influenza (IPAPI). On 16th September he said,

The partnership will bring together concerned states to limit the spread of a pandemic. Every necessary step will be taken to promote international cooperation aimed at joint preventive action and to develop capabilities to respond to a pandemic threat.

The IPAPI should also complement and support the ongoing work on pandemics conducted through the World Health Organisation, the Food and Agriculture Organisation and the World Organisation for Animal Health.

The Australian Government is working at the domestic, regional and wider international level on influenza and pandemic planning and response measures.

Australia is working to remain at the leading edge in planning for an influenza pandemic. The Australian Government has provided approximately $160 million over five years for national pandemic preparedness and response.

Australia’s involvement with the partnership will build on our existing work in the region to prepare for pandemic threats such as avian influenza. Our response to date has been both significant and strategic, with a contribution of over $18 million since 2003 to combat avian influenza and SARS in the region.

The Government believes that APEC provides another useful forum to promote regional cooperation on this important issue. APEC has been working for two years on preparedness and response to pandemic threats and initiatives to strengthen this work will be discussed at the Leaders’ meeting in November 2005.

Australia also supports a Canadian proposal to host an international meeting of Health Ministers to discuss global pandemic preparedness.

It is important that the world works together to coordinate our forward defence around the globe against a pandemic outbreak.”

I asked Roger Kalla what he thought about the announcement and he wrote back:

“The PM’s announcement from the UN 2005 World Summit summit outlining the coordinated global effort to develop capabilities to respond to a pandemic threat is an acknowledgement that the bird flu is a global problem that might be winging it down under.

What are we doing about it? The development of vaccines against the avian flu strain is being ramped up here in Australia and elsewhere but need to be tested and are 6- 12 months away . Governments and health scientists that realise the seriousness of this potential threat (including Peter Doherty Noble Prize winner in immunology) have quietly been stockpiling anti viral drugs such as Relenza, resulting in a doubling of the share price of local Biotech Biota that developed it.

However there are only 120 odd confirmed cases worldwide of infected humans, the majority being poultry factory workers that come in direct contact with infected birds.

The alarming fact though is that of these 120 cases half proved to be fatal. By comparison, only 10% of the victims of SARS in the 2003 outbreak died while it is estimated that the Spanish flu (which also originated from a bird flu strain) killed 2.5% of the infected population.

Another alarming find with possible repercussions for Australia is that migrating water fowl in Western China has picked up the avian flu (H51N) before departing their breeding grounds in their thousands at the end of the Northern summer.

The birds travel huge distances to their winter grounds. Some mingle with birds in Siberia that fly to South-East Asia or down to Australia. Just last month discovery of wild birds with H5N1 in western Siberia and the Altai region of south-western Russia made Holland ban free range domestic poultry. Germany is about to follow Holland and force all poultry indoors.

Just last week I was driving through South Gippsland on my way back to Melbourne and spotted one free range chicken and egg facility with hens roaming free around in the open. This free range facility is only a few kilometers away from one of the biggest feeding grounds for migratory wading birds in Australia, Corner Inlet . Avian flu could conceivably be transferred from infected migratory birds to chickens roaming the outskirts of Melbourne. This produce is finding a ready retail outlet in the thriving local Farmers Markets which have sprung up along the Highways and Freeways within easy driving distance from Melbourne.

I think it’s time for Australian Governments to take the next step and consider banning free range chickens. This will no doubt cause animal liberationists angst but it is a entirely rational precautionary approach to a potentially very serious pandemic.”

Roger also provided the link to this weblog from Nature specifically on birdflu:
http://www.nature.com/news/2005/050912/full/050912-1.html .

Filed Under: Uncategorized Tagged With: Food & Farming

Grape Glut

September 14, 2005 By jennifer

The front page of today’s Australian Financial Review (AFR) included the headline ‘Grape glut crushes winemakers profits’.

A record harvest of 1.92 million tonnes!

It seems amazing given the recent drought.

When I started working on Murray River issues in mid-2003, Prof Peter Cullen and other environmental scientists were telling farmers they should move from growing rice to growing grapes because water should go to higher-value crops.

I think there is something in the argument that the annual crop rice suits a land of ‘drought and flooding rains’ better than the perennial crop grapes because grapes need water every year.

According to the AFR “tax-driven vineyard schemes have helped double Australia’s vineyard areas in the past seven years, distorting the economics of the industry and leading to overproduction across the country.”

According to ABC Television’s landline program in April, some grape growers weren’t going to bother picking their fruit at all.

Filed Under: Uncategorized Tagged With: Food & Farming

Quolls for Sale Instead of Cats?

August 22, 2005 By jennifer

I have been in Melbourne over the weekend.

I had the most magnificent meal of Kangaroo Saturday night over-looking the Yarra River. The choice of dish was perhaps influenced by the book I am reading. Michael Archer (Dean of the Faculty of Science at the University of NSW) and Bob Beale (journalist) in ‘Going Native’write:

“Why must kangaroo meat – tasty, free range, low-fat, low-cholesterol, disease-free, high protein and environmentally superior as it is – still battle for a respected place at the dinner table?”

Archer and Beale complain that Portugal is the world’s largest producer of Eucalyptus oil (pg12). And that the US was the first nation to domesticate the unique tasty and nourishing Australian native macadamia nut.

Their general thesis that we should do more with our native plants and animals is spot-on.

Archer tells how he once had a pet quoll and suggests that these native animals would make better pets for Australians than cats (pg 267).

The problem is that environmental organizations are generally against the ‘exploitation’ of our native fauna and flora for commercial gain including as pets.

‘Going Native’was published last year by Hodder. I bought my copy for $35 from Dymocks.

Filed Under: Uncategorized Tagged With: Food & Farming, Plants and Animals

Organics Use Less Energy?

August 16, 2005 By jennifer

My recent writings on GM food crops, including in The Land newspaper last Thursday, have resulted in some emails suggesting that I am wrong and that organics, rather than GM, really are the answer.

I received an email with a link to a paper titled ‘Organic farming stands the test of time’ by David Suzuki published on 5th August:

http://www.davidsuzuki.org/about_us/Dr_David_Suzuki/Article_Archives/weekly08050501.asp

Suzuki suggests that organics use less energy than conventional systems. But then states organics require more labour to remove weeds.

I understand about 70 percent of the labour spent in traditional subsistence organic food production systems in Africa involve women hoeing for weeds. If this type of manual labour is not counted in the energy budget then the calculations are worth nothing.

Suzuki makes mention of the Rodale Institute Farming Systems which are organic.

Their website is here:
http://www.newfarm.org/depts/NFfield_trials/0903/FST.shtml .

I can’t find any data that shows yields in organic versus conventional systems and relative to energy input.

Filed Under: Uncategorized Tagged With: Food & Farming, Organic

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Jennifer Marohasy Jennifer Marohasy BSc PhD has worked in industry and government. She is currently researching a novel technique for long-range weather forecasting funded by the B. Macfie Family Foundation. Read more

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