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Are vaccines allowed?

Yes! We absolutely encourage CNG farmers and ranchers to use vaccines as part of their disease management plan. Since most conventional veterinary medications are not allowed, having a robust strategy for managing herd and flock health is key.

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How do I know if the compost I buy is ok to use in CNG?

If you are purchasing your compost, you'll want to verify with your supplier that the compost is: --properly composted (i.e. they are monitoring the C:N ratio, temperatures, and turning schedule) --not made from biosolids --free from prohibited additions of synthetic…

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I use manure on my farm. What are the application guidelines?

Like our compost standards, CNG's manure requirements are based on National Organic Program, EPA, and FDA guidelines for food safety. For applications of manure, we require the following intervals between manure application and crop harvest: --120 day interval for crops in which…

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I make my compost on-farm. Is this a problem?

CNG's compost standards are based on National Organic Program, EPA, and FDA guidelines for food safety. If a farmer wants to apply farm-produced compost that includes manure, they'll need to monitor the initial C:N ratio, take temperature readings, and turn the pile…

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Why is recycled plastic not allowed?

Recycled plastics present an increased rate of degradation and risk of leaching compared to virgin plastic, and additional risks posed by chemicals that may be added to plastics shipped overseas for recycling.

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Do you allow the use of IBC totes?

In response to public comments, we made some changes to the draft standards. It is prohibited for IBC totes to be brought into an already CNG-certified operation. However, recognizing that many start-ups use IBC totes, the revised standards will allow…

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