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3/15/10

Little Mucker Survives!


Here is yesterday's little mucker all dry and happy, notice the milk mustache, actually he may not be so happy, he looks like he's thinking he should have a THREE qt. bottle!



Just a little more on raising calves, we bring them home and bed 'em in little hutches for the first 3 weeks or so. By that time if they are going to get sick they usually have and we can treat them in isolation so we know just what's happening. By that time they are starting to eat some grain and are rambunctious enough to keep up with their cousins or we leave them in the hutch a little longer.

When they are ready we put them in groups of 5 in a larger pen and feed them replacer from a bucket with 5 nipples for a few more weeks before we start weaning. At 6 weeks or so they are on just one bottle for one last week, high protein feed and good grass hay. We try not to let them out on grass till they are about 3 months, if they start grazing too soon it retards the ability of the rumen to absorb nutrients, remember that back in olden wild cow days before dairies, dairymen and Ben and Jerry's, calves stayed with mom and nursed pretty well till mom said enough – certainly longer than 6 or 8 weeks.

Raising bull calves is a fine balance, obviously you want them to be happy and healthy and the longer they are on a bottle the better but milk replacer doesn't come cheap, figure $15 a week, good sweet starter grain is maybe $3 a week when they get going, plus straw and hay and vaccines and meds and miscellaneous supplies and the occasional and sometimes more than occasional failure and pretty soon it's a hobby because you aren't even breaking even.

Then you always need to figure in the cost of pilferage...

3/14/10

Orphans of Industrial Ag.


It's kind of hard not to feel sorry for dairy bull calves.

From the standpoint of the dairyman they are at best a byproduct of the process, at worst a nuisance and cow killer. When a heifer calf hits the ground, you can bet she is swept up and fawned over from the first moment, little bulls like this not so much. The little dairy where I trade a couple hours worth of chores a day for bull calves is a mom and pop outfit. They care for each cow like no thousand cow dairy could, they know each girl by sight, who her mom was and who her girls are.

Still when lots of things are going on, like today, a little guy like this can get forgotten. Today 3 cows calved, one cow went down with milk fever (calcium deficiency) then died in the hay barn right in the way of the feed wagon. The vet had to be called because I thought one of the dry cows had been acting funny and this morning she was pushing like labor though she wasn't due for weeks - turned out she had a dead calf in her - not a pretty situation.

I sometimes call modern Holsteins "Frankenstein Milk Monsters" because they are bred for just one thing: to provide your double chocolate chocolate chip ice cream as cheaply as possible. To that end they are selected for - what else, giving milk in the largest amount with the least input until they fall over dead, which isn't but a few years nowdays. They are big, they have a hard time standing on slick concrete holding pens and sometimes fall and "Split out" ruining their ligaments I suppose and though they get hand fed, watered, lifted with a tractor and sling for exercise they usually expire.

Though sires are also selected for small birth weights at least somewhat, many times the dam is a huge bruiser (a good thing) and she throws a huge bruiser calf and if it's her first or second calf it can kill her. There are two first time moms in the hay barn over there, due to birth paralysis they have hobbles on their back legs to keep them from falling and splitting out.



One thing they are never selected for is being good moms because they don't usually see that calf but just for a few hours. That's what happened to this guy, they were in a nice lean too shed up out of the muck but mom would have nothing to do with him. A good mom starts licking a calf right away and soon cleans him dry, it stimulates the calfs circulation and makes it want to get up and suck which in turn helps the mom "clean" – expel the placenta. But of course none of that matters because people take care of all that stuff, mom goes on the milk string and calf goes in a hutch.

This guy is gonna have a hard time, he got pretty cold before I got him home and rubbed down. He went right after the bottle though and it warmed him up enough to start shivering, a good sign. He's wearing the red poncho to help warm up (and my belt because I couldn't find the velcro). His hutch is nice and warm and I shoved him in and hope he'll stay inside, it's misty and kind of windy though only about 40*.

Dairy calves as opposed to beef calves are quite helpless, many are so large as to not be able to stand on their own, especially bull calves which are larger than heifers. Many times the reflex to nurse seems to be missing as well, I was feeling pretty good so far, we have 5 babies (out of 20-25 in the next couple months) and I haven't had to use a stomach tube on one - till this morning... and the same calf this evening. It is imperative for a calf to get a gallon of colostrum (first milk) in the first 24 hours. It contains moms antibodies and the calf's a ability to absorb them decreases by 50% every 10 hours from birth. Without those antibodies that kid is gonna have a hard time surviving without lots of meds.


Don't get me wrong, I don't bring home the little muckers because I feel sorry for them, I bring them home because it's one way to make some cash money in the country on the edge of modern farming. It's hard to not like the little shits when they are little and frisky out kicking and bucking when we move them from the hutches to group pens at a couple weeks. And though I cuss at 'em when they are daring me to keep them alive it makes me feel good when they do good. 

Still, I hope to buy some old line dual purpose heifers this year, maybe old line milking shorthorns, red polls or Devons. Some old "family cow" line that was abandoned when the transition to concentrate feeding began in the 40's and 50's. Some line whose moms don't need chains and butt jacks to calve, remember how to mother a calf and haven't been bred to be walking udders.

It would be nice if there were a market out there for just a good sturdy family milk and meat cow that gives a good amount of milk and calves that grow meat instead of just hair and were raised on grass by their moms instead of being orphaned in the muck.


3/12/10

Greenhouse Heating

I need to have heat in the greenhouse to get a good enough start to sell starts! This last February was 6* colder than average, and the average is around 20* at night with many below 10* (we'll just ignore the record of 29* below).

I don't have a lot of bucks to invest so let me tell you how my system came about: The first piece fell into my lap back in the summer when I saw a 60 gallon water heater sitting in front of my neighbor's milk barn. Being the curious junker I am I ask what was going on and the story went "the bigger chiller unit we installed caused the main breaker to keep tripping so we replaced the electric water heater with a propane unit"

Ah!

So after I did him a favor and took the WH home, I stuck it in the shop thinking I would do something with it one day. Well one day came a few weeks ago when it dawned on me I could make that water heater into a radiant hydronic heater for my greenhouse benches. Here is a shot of 2 benches, each with it's own "curcuit" of tubing for hot water to cycle through:


I attached coils of PEX tubing to the underside of the bench tops and sealed the bottom with 1/2" rigid foam insulation - foil side up. The pex is plumbed to 3/4" pvc pipe, a supply and a return, and ran around to this work of engineering mastery:


Here you have your basic washing machine motor and pump assembly protected by a preciscion fitted plastic pot. Affixed to the top of the pump is the fully programable control unit (in the Folgers can). The control unit contains all the guts of the washing machine wiring because I couldn't figure out which of the 9 wires coming out of the motor would make it run. I just left them and the timer all connected and after a slight adjustment to the timer clock rendered it not a timer at all everything basically became an on/off switch.


If you look back at the pics of the seed cabinet, I think you can see behind it a sheetrock wall - you can see a bit of it behind the heater in this shot too. This building was a garage built sometime early last century and so it has a stemwall foundation. I'm building walls inside the old north wall and insulating them as I scrounge the materials, I'll do the north half of the roof as well. Here is a section through the wall so you can see I have about R-30 insulation with the part at the floor being rigid styrofoam.


Yet to be accomplished is connecting the pump to a line voltage t-stat I had hooked up to heat lamps for the previous incarnation of the greenhouse and completing the tubing installation on the last 2 benches. The washing machine pump setup is overkill since the motor is way overpowered for this job, if things work out I'll replace it with something more appropriate – when something turns up more appropriate that is...

My costs:
Benches, water heater motor/pump, wiring, breaker box - $0
200 ft PEX - $50
"Gator" fittings 10 @$6 = $60 Ouch!
PVC $40 +/-
40A 220 breaker - $20
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 $170 total

I could have bought a Blue Flame propane heater and installed it for about the same but I'm thinking this will be much more efficient since I'm heating the underside of the trays with radiant heat and not the air of the entire greenhouse. Placing a cover over the benches using a cage structure (you can see the fence wire I'm experimenting with in the top photo and previous post) I can trap the heat right at the bench. Also in the back of my brain is plumbing the black water barrels as a solar collector / heat sink during the day.

The added benefit is that when starting seed or propagating from cuttings the soil temperature is what's important – which is why the seed mat in the starting cabinet, but with this setup we could theoretically start seed right on the benches.

3/11/10

Greenhouse Improvements

I'm having a hard time keeping up with my blogifying but here is some of what Susan and I have been doing in the greenhouse.

I am slowly getting the seed cabinet where I want, here is the new shelf and grow lights.



Right now we have some 72 cell flats on the shelf for germinating larger seeds like peas and what have you that are too big for the 3/4" soil blocks. The shelf is going to work out good when we get to the stage we are really starting a lot of seeds in soil blocks, 3-5 days on the mat till everything germinates then move that group up on the shelf for another week under the bright lights to get some true leaves going while another group goes directly on the heat mat to germinate.

You could start a crazy amount of seedlings in a little box like this - +/- 1800 a week every week!


 Here are what we have out in the sun, those are all 72 cell "plug" flats; everything from tomatoes to beans - 850 plants would have been 300 or so more if I hadn't accidentally left the heating mat in the seed cabinet unplugged on a 14* night – Doh!



BTW, I made the benches and parts of the seed cabinet from an old deck I tore down and the slats are the recycled lath from plaster we took down in the house.

2/19/10

Sprouts!

Sprouts. Some with their seed cases still hanging on. 
Pretty amazing how that whole plant fit inside that little seed huh?

Sprouts!

The seed cabinet is working great after a couple of operator hiccups.

Initially I had rigid foam insulation on the front and decided to replace it with some double-wall poly I scrounged so the sprouts could get some sunlight. After a week of overcast skies the sun came out and heated the cabinet somewhere over 120* according to the recording thermometer - I thought I'd cooked $40 worth of seeds.

Although spotty in a couple of places just about everything has germinated - I may have cooked some of the cabbage a bit early but I think we're going to be OK.



Forming soil blocks and planting seeds

Making Blocks

Here is the setup setup, in the metal tray on the right is the soil-LESS mix (peat/pearlite/sand) I use for blocks. After experimenting a little with ratio and moisture to get the blocks to hold together, packing the soil into the maker and extruding them onto your substrate goes pretty fast. I use a plastic sheet like the stuff to put on bathroom walls and a heavy piece of sheet metal to move it between the bench and cabinet.

Then just place one seed in the little dimple in the top of the blocks (you can sort of see it in the inset photo) and cover with just a very light sprinkling of soil. Part of the deal with soil blocks is that the growing roots won't grow out into the air but instead wait till the block is planted into a container. If so much soil is used that the spaces between the blocks is filled the roots just continue growing and intertwine and generally make a mess.


Heating
Here is the working part of the cabinet. 
You can see the thermocouple (the temp sensor portion of the thermostat) is buried in some soil and covered with a square of plastic to keep the soil damp and the same temperature as the soil blocks. If it were to be just dangling in the open air it would be cooler than the soil blocks and make the heat mat stay too hot.


I use a recording thermometer, which of course, records the highest and lowest temperatures. Obviously it doesn't do any good if you've already cooked or frozen your seedlings but it does let you know if the thermostat is doing it's job.

And on the inset you can sorta see the polycarb sheet on the front of the lid and the shade screen Susan stapled on to keep me from turning the cabinet into a Sahara terrarium!



Growing Seedlings

On each sheet of plastic is a grid so each set of soil 20 blocks is identified; A1, A2, A3, etc. As the seeds are "planted" I make a note of what grid they are on so they can be identified down the line.

Ideally, cool season crops would be set on a second shelf where the soil would be cooler and hot season plants like tomatoes, peppers, etc would be right on the mat, they like temps above 70*. Thay will come in time I hope. My next project is to hang a fluorescent grow light in the cabinet (should have already done that...)

BTW, you can see loose soil around the edges of the blocks, it's there to help keep the blocks moist. 

Sprouting soil blocks on plastic sheets in the cabinet on the heating mat.
There are over 1,200 plants here!

Everything is heirloom this year. The closest seedlings are tomatoes, 12 varieties plus some tomatillos and ground cherries, then some cauliflower and other brassicas and on the far end are peppers, eggplant kale and whatall.



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