Kangaroo triumph heralds a new era for the farm

The kids, the Maremmas and The Great Roo Fence

The kids, the Maremmas and The Great Roo Fence

Victory is at last mine! For the past few days since The Roo Fence was extended beyond The End to become The Great Roo Fence, we have seen around 20 kangaroos on the farm each night – down from several hundred.

It’s been a roller-coaster ride, trying to make something out of that part of the farm. When I first took over the reins, I lavished it with care, refencing, installing new water lines and troughs, planting trees, breaking up the subsoil and resowing pastures. The local gossips said it wouldn’t be long before I went bust, spending money like water. And, in part, they were right. We’re still here but the fruits of our labours were simply ravished by the roos every dawn and dusk.

Having been thus chastened by Mother Nature, I decided to bide my time until the kangaroo problem was fixed, redeveloping the less vulnerable half of the farm across the road instead. I chatted with researchers about dingo urine, investigated the efficacy of sonic deterrents, then bought, reared and trained Maremma pups. Got a kangaroo cull licence but couldn’t follow through.

Now, here we are, with 20 roos on the place, a carefully crafted business plan and a much wiser head. It’s a new era for the farm and I can’t wait to get started.

The kangaroos are winning but the Milkmaid is not ready to retreat

Triumphant return from border patrol

Triumphant return from border patrol

Can you see the triumph on the faces of the kids as the Bobcat pulled into the garage on Wednesday night? We’d been on our evening patrol of the new kangaroo fence and hadn’t seen a single kangaroo on the farm at dusk.

We have been pushing back the roos and wallabies in earnest now since Easter, training the mob of 300 or so that ravage our pastures to look elsewhere. It’s been an epic battle. I fill in a spot they’ve dug under the fence with a big log, they find a new path. I fill that in, they flatten themselves out a little more and squeeze in alongside the log.

The roos just extended their underpass after the first blockade

The roos just extended their underpass after the first blockade

More than three kilometres of The Roo Fence separates farm from forest and I’ve spent an average of an hour a day maintaining security.

It was with a warm inner glow of satisfaction that I embraced the chilly air at dusk on Thursday, finding the paddocks gloriously empty of roos and wallabies once more. A single roo hopped along the forest side of The Roo Fence looking for a way in, only to disappear again into the darkness of the forest.

And then, I turned the corner and was presented with a sickening sight. In the front paddock, closest to the road, the roos had discovered The End. The Roo Fence secures the farm on three sides and wraps around a little further onto the fourth, in a convincing show of its impregnable, endless nature. Or not.

Plucking up more courage than I thought possible, the roos had hopped right up to our neighbour’s house and simply turned the corner back into the farm. I counted 50 in one bunch and saw another two mobs equally as impressive, along with a small cluster brazenly grazing right at The End itself. At least 150 in the small front paddock, maybe more.

The light of day revealed a sorry picture. A clear track complete with roo fur on the wires confirmed that no amount of fence tweaking will do the trick. Only a Roo Fence visible from space will stop them now. Fear not, dear Reader, we will prevail!

At The End. See the track under the fence?

At The End. See the track under the fence?

50 shades of green in an electrifying Easter

The big ones who weren't scared of me this morning

The big ones who weren’t scared of me this morning

There’s nothing black and white about being a farmer like me; there are about 50 shades of green. For this greenie farmer has a big problem that is not widely appreciated outside farming circles and, in fact, denied altogether by greenies of a different shade. It’s a kangaroo problem.

The side of the farm that adjoins state forest hosts about 300 kangaroos and wallabies every day and they’re quite literally eating us out of house and home. Last year, we and the cows harvested around 10 tonnes of dry matter per hectare (DM/ha) on the non-forest side compared to just 5 tonnes DM/ha on the half of the farm that sits next to the forest. The bottom line: it’s not even paying its share of the mortgage.

How could a few hundred macropods make such a dent in the farm when researchers say they don’t compete with cattle? First of all, the research was done in semi-arid land, which is not comparable to dairy farm pasture.

Rye grass, the dominant dairy farm pasture species, is sweet, much lower in fibre and easy to snip off at ground level if you have upper and lower teeth. Cows don’t – they only have one set of teeth and wrap their tongues around the grass to eat it – which limits how short they can eat the grass.

Kangaroos and wallabies have wonderful teeth for eating really tough native grass that also make it possible to raze less fibrous grass to ground level, which is exactly what happens on our farm.

Macropod teeth are brilliant for snipping off every last blade of grass. Source: howstuffworks.com

You could host a lawn bowls championship on our pastures closest to the bush, year round. Rye grass just doesn’t cope with that kind of pressure. It needs rest time between grazings so it can replenish its energy stores enough to push out new leaves and grow healthy roots.

Just a couple of years ago, we discovered that not even a vigorous fast-growing crop like oats can outrun our kangaroo population.

Oats eaten by kangaroos

Oats eaten by kangaroos

Oats guarded by dogs unaffected by kangaroos

Oats guarded by dogs unaffected by kangaroos

So, what are our options? We got a licence to cull 40 kangaroos a year but never fired a shot. It would be like trying to push back the tide and I have no appetite for creeping around in the chilly dawn air with a gun every week. I find it gut-wrenching enough to euthanase a suffering creature, let alone stalking Skippy.

Next, I tried the great Maremma experiment. Charlie and Lola have turned out to be fantastic livestock guardians but they’re almost too good. When a threat approaches their calves, Lola stays with the poddies while Charlie ventures out to see whatever it is off the premises. They are effective for about a 50 metre radius of the calves but not hundreds of acres.

Charlie and Lola love their bovine friends

Charlie and Lola love their bovine friends

I even investigated spraying dingo urine around the boundary and all manner of sonic deterrents but found them either ineffective or impractical.

It’s come down to a cracking great electric fence. I’ve taken out a new mortgage to install it with real regret because we’ve had to remove trees to put it in and I know we’re committing ourselves to a lifetime of intensive maintenance.

The roo fence

The roo fence

The fence is only halfway around the boundary so far but I’ve already got a taste of what it takes to make it work. It will take more than one nasty shock to convince our visitors to dine elsewhere and kangaroos prefer to go under rather than over fences, so I have to keep the fence fired up all the way down to the wire that almost scrapes the ground. Longish green grass is enough to sap power from the system and have the roos squeezing under again.

I’ve spent a lot of time with my fence fault finder this Easter and I have a suspicion the fun is just beginning.

Good excuse for a walk

Good excuse for a walk

So, being an ethical farmer is not as clear-cut as you might think. If I carried on as we have been, we would be providing a great breeding ground for hundreds more roos than the bush can sustain and saved the felling of what I’m guessing was a thousand trees.

Building the fence means a more resilient farm that no longer relies on fodder bought in from across the state. It also means that I might finally be able to extend our program of planting 1000 trees a year to add to our 27 hectares of native forest on that side of the farm without the seedlings being wiped out.

Most importantly, if I am being honest, it secures the farm for our children. What would you do?

From the forest into light

From the forest into light