Goat Mix: Our New Oyster Mushroom Substrate

With shortages that have been happening, growers all over have been looking for hardwood alternatives for growing mushrooms. We’ve found an awesome one; our new blend, which we’ve dubbed Goat Mix. Our oysters are loving it, and our yields are increasing.
We get our straw pellets from Mushroom Media. Check them out:
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Back in the day, Andrew struggled with straw, for many reasons. Having it in pellet form is highly beneficial. If you’d like to read about our original opinion on straw, check out this blog post:
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If you’d like to try one of our latest originals, check out our Super Scallop Oyster:
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[@hollymcc]

Great video, I love all your old content and new! Thanks for sharing your adventure Mossy Creek Mushrooms!

[@OakandSpore]

I've been using pine for years, specifically Pinus Radiata. From a 4.8kg bag I'll usually get upwards of a 1kg first flush.

[@lkuniverse3763]

Can I use kiln dried pine?

[@Shroomareala]

You can pasteurize just straw pellets, direct hot water in the bag, they work really well for oysters.

[@lindalbonomo]

Hell yeah but not with the soy hulls

[@Shroomareala]

@@lindalbonomo yes but they still produce well

[@JackGilbertJr]

True, but supplementation will increase yield. For a home grower it might Not matter.

[@waynegreenway5445]

Supplementing with bran and what quantity?

[@jebatevrana]

Best kind of information. Much appreciated.

[@matthewhunt4670]

Hi been trying masters v goat v 50% soy 25% hardwood 25% straw pellets mix so far the latter growing quicker and Best yield

[@INSANEinCHRIST]

The "50% soy 25% hardwood 25% straw pellets mix" for what mushroom species?

[@The33DegreeVegan]

Always love your willingness to share what others hodl as their trade secrets. What type of grass is the straw?

[@SethFischer]

This is wheat straw

[@kicknadeadcat]

I’ve had great results with Aspen pet bedding chips. My grey dove oyster eat that stuff up. I have even tried it a half dozen times without sterilization. Nothing, not even hot water. No problems. I have a grey block right now that is 10 days old that tomorrow I am putting in the grow room. Covered in mycelium. I buy 56 liters off Amazon under $20 with shipping. The weight of my blocks are not as heavy but the volume is the same. Large flushes. When I am looking for fast turnaround with oyster mushrooms that what I use. I also started adding some in with my masters mix. I’ll see how that goes. Hoping to get even more flushes with the addition.

[@Mossycreekmushroomsofficial]

Nice!

[@nathanpriddis412]

How much does the 56L weigh? Petco advertises this size also, but not sold by weight.

[@bartendersunny1]

Awesome! How did it go?

[@FreshfromtheFarmFungi]

cool! thanks for the info as always! MUSHLOVE

[@Mossycreekmushroomsofficial]

Thanks Gary!

[@wck2318]

Hi there from Wales UK. Again a very interesting and formative video, I'm doing loads of research at the moment and planning to make mushroom growing my hobby from this summer. again thanks for the info and keep these videos coming, many thanks mate.

[@Mossycreekmushroomsofficial]

Absolutely, thanks for watching!

[@chaitanyadubey2914]

We use straw here in India to grow oysters and they have much faster incubation than anything.

[@thekarmafarmer608]

Thanks for sharing your knowledge with everybody. That`s really cool of you friend. Happy New Year to you all over there.

[@mtnbkr5478]

I had the idea to use straw pellets as well, but despite living in a wheat-growing area, I can't find any. Awesome that the Bear's head works on softwood, I haven't had a chance to experiment with substrates for hericiums yet, but that's all that's available for heaters here; I've been using smokers' pellets for my oysters which is costing me more than I'd like.

[@timmyopally]

You tried all the feed stores nearby? If there be horses there be straw !

[@mtnbkr5478]

@@timmyopally I'm going to keep looking, but I live in a city, so finding a lot of that stuff is more challenging. I have rabbits also, so I was going to do some experimenting using rabbit feed and fruit wood mix, and see how that will work in a pinch. I may just start ordering masters mix on Amazon. I don't grow enough to order pallets of the stuff.

[@ToothlessInKentucky]

I always thought that straw was a great way to go. Has anyone done direct lc to a coco coir based mix? I heard some say that coco coir was a winner for direct inoculation as well... but it's not verified. Thanks for sharing your research.

[@InventorGadget]

Yes yes we do vant to know! Thank you!

[@BobbyJpure]

Do you use the same water ratio as masters mix for the 50% straw? 60% I saw someone asked this question earlier but no answer. Or is this y’alls little secret!!

[@sayuas4293]

The difficult ingredient for me to get here is soy hull pellets, they only sell it in huge bulk to big farming companies here.

[@nathanpriddis412]

I used straw pellet. Was happy with it until alder came available and I switched intending to have one substrate usable for all types. The straw and alder both where later discontinued. Now looking at corn cob pellet out if desperation.

[@jidun9478]

Thank you for sharing this really vital information, you are a good man.

[@Mossycreekmushroomsofficial]

You are welcome

[@tyroneswift4004]

Id like to know more about the pine mix.

[@patrioticmisinformation7184]

Awesome video. Really helpful. I like your style a lot. You keep things perfectly simple.

[@k.elysee6527]

What about adding in Wheat Bran as an extra supplement for the Goat sub bags?

[@nashdaflash]

Do you know the recipe substrate for beech mushrooms

[@pyroparrish2783]

Seth @mushroommedia is getting some shout outs this last week. Its cool though cause we share the same first name hahaha

[@vincecombla7628]

Awesome news !

[@Aztecorum16]

The 'straw boogers' hit me right in the feels 😆

[@waltwalters4144]

Thank you for sharing your knowledge!

[@cislo5]

hello Andrew, do you use pellets (all types) that are graded for burning? or is there another "type" that is suitable for growing stuff and such (maybe that there is no chemicals, pesticides etc.). Thanks a lot for your content, its great help!!!

[@mikejeannotte6642]

Same relative ratios hardwood to straw pellets to water?

[@sunnyjones682]

What’s your favorite for chestnuts?

[@mejiaraoul]

Hey Andrew! Is the pine mix 50-50 with soy hull like the GOAT and master’s mix?

[@Mossycreekmushroomsofficial]

That's it!

[@sidneybooher7325]

I'm trying to learn all I can so I hope this doesnt sound too uneducated, but when you inoculate with LC straight to the goat mix or masters mx, this eliminates the need for grain spawn, correct?

[@carlosbarragan6729]

Yes

[@Dunc0069]

Thank you for sharing your knowledge. A true gentleman. One question I have but maybe doesn't matter is what type of straw? Is it wheat or Barley I would guess wheat but not sure. I still have not been able to find soy pellets up here in this part of Canada. So may have to do some experimenting to see if something else would work.

[@Robert-dh3xg]

Great stuff

[@bartendersunny1]

Could you please share your recipe for oyster substrate by weight or %? New and trying for the 1st time. Wondering if gypsum or bran is added here too and if so, how much? Thanks for the videos, you're so helpful!

[@12345shipreck]

Hey mate, Im in the UK and am planning to start a gourmet mushroom farm after I have graduated from uni, would love if you could do more business related videos like how you find people to supply to and such.

[@aled721]

Hey where abouts are you? Looking at the samw

[@12345shipreck]

@@aled721 around the manc area hbu?

[@aled721]

@@12345shipreck Herefordshire

[@Ras_shewa]

Sir i have a question I have 6 tone of Eucalyptus sawdust it is hard wood sawdust so with what supplement i get more yield and what is the impact if i compost it for 7 days or just use it

[@sergiojacome]

Nice.... What type of straw? And good for King Oyster? Thanks for sharing...

[@mycotodd]

Great vid! Does this mix need to be sterilized in a pressure cooker or simply pasteurized with hot water?

[@TheVerspagets]

Hi Andrew, do you pasteurize or sterilize the goat mix? And what's the ratio? 50/50? How much water do you add? Thx and greetings from the other side of the ocean. Mark

[@vonries]

I searched all four sites, but found no results for straw pellets. Where can I get them?

[@jamesdorgan3404]

Check out @thee_mycologist on Instagram he's the best psychedelic plug I 've worked with.He sells shrooms,Isd,and DMTS,he can deliver to any location discreetly

[@duanefouche378]

Been thinking of using Straw pellets as a main source recently too as I find Straw to be pretty messy and labour intensive. What would the ratio of water to straw pellets be though (eg: 1L water to 1KG pellets), and how much substrate would you realistically get from say 10kg of straw pellets? Would plain straw pellets work too?

[@tyee.5023]

Can I feed spent grain spawn to my goats?

[@JamasSeguro]

Is this still viable with straw pellets appearing to cost $3-4x.

[@Mossycreekmushroomsofficial]

Yes, substrate costs are rarely anything compared to labor costs, and compared to the value you get out of the mushrooms at the end.

[@wande.r]

With the Goat mix, does this mean you can lime sterilise successfully without contams ? Or bag em and sterilise in a steamer?

[@Mossycreekmushroomsofficial]

You are still supplementing it so you'll still want to pasteurize.

[@waynegreenway5445]

What % is your supplementation? Bran I would assume

[@mattallen3535]

How much water are you adding to your pine and goat mix?

[@rachellinderman5219]

Mycelium Emporium has a straw shiitake lc

[@nathanpriddis412]

Have you tried that verity?

[@andrewduggan6808]

@@nathanpriddis412 I tried a UK versatile straw strain and ok.

[@raymond.duncan]

Will barley straw pellets work in place of the wheat straw for oysters?

[@itseybitseyspider7645]

Since you are now using straw substrates. You might as well start raising egg laying chickens. A varied diet with bugs and vegetations makes very healthy eggs. You may be better to partner up with organic chicken egg layer. Good luck with the spent substrates.

[@Dimrain13]

You still running this mix?

[@mycologycorner]

Can I use alfalfa pellets like horsefeed I can get that at the local feed store easy

[@wande.r]

You can supplement with alfa alfa and bran, but you need to pay attention to your nitrogen content as too much will mutate yr shrooms

[@Mossycreekmushroomsofficial]

You can supplement with alfalfa. I wouldn't use it as your carbon source.

[@mycologycorner]

@@Mossycreekmushroomsofficial thanks I was gonna do 50soy 50 alfalfa

[@MrExtremefisherman]

do you sterilise or pasteurise the mix ??

[@originalscott]

Are you still using straw pellets for oysters 3 years later?

[@Mossycreekmushroomsofficial]

No, I'm using hardwood fuel pellets again. They're just easier to get.

[@JoshuaMarshPPG]

If you want someone to come on, I would love to. Still small but growing everyday. Haha see what I did there. 😂

[@Mossycreekmushroomsofficial]

Yeh dude, we can put you on. And yes, I saw it. 😆

[@Hucklenaut]

Do you grow any tiger sawgill?

[@john-smith.]

Straw is unfortunately a heavily sprayed crop (off label more so now for harvesting, by stiffening the stalks)...especially with round up/Bayer/Monsanto. So in essence more heavy metals, and toxins will end up in the fruiting body, unless you can find unsprayed crops...Hardly Organic, but very profitable for the grower.

[@andrewduggan6808]

I looked into chemical sprays this in the UK - it's bad (roundup and chlormequat for crop lodging). Easy to get wheat straw pellets in the UK but often treated as used for animal bedding - silver, sodium, sulphur, phospheric acid :-P etc etc. Two brands I tested were a waste of spawn, pellets, and time. But there is good stuff out there - just a matter of finding it. I am hoping some of the biofuel straw pellets are not treated as much.

[@lindalbonomo]

You may have just changed the game.

[@tomstamos1491]

For shitake sorgum straw and sugarcanes straw is better than sawdust not weat straw

[@macthemilitant]

First

[@kekceo3942]

Less is more