# The vital role of byproduct use in California dairy feed rations | Ag Proud

> A University of California-Davis study finds that byproduct feeds are a major part of California dairy rations, with more than 70 distinct byproducts used on farms. The 2019 survey found 97% of milk cows in the San Joaquin Valley were on dairies feeding byproducts.

- Date: 2021-10-08 · published 2021-10-08T12:00:00.000Z
- Category: report · region US · magnitude low
- Page: https://feedsoft.ai/events/44686-the-vital-role-of-byproduct-use-in-california-dairy-feed-rations-ag-proud
- Commodities: [DDGS](https://feedsoft.ai/c/DDGS.md), [Milk (Class III)](https://feedsoft.ai/c/MILK.md)

## Why it matters

Heavy reliance on byproduct feeds means dairy demand for these ingredients stays structurally strong, supporting byproduct values in California. The analysis is background rather than a new price-moving event.

## Read by commodity

- DDGS: neutral
- MILK: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| MILK | 2022-04-27 | [Frozen dairy product production up on the year - Brownfield Ag News](https://feedsoft.ai/events/41842-frozen-dairy-product-production-up-on-the-year-brownfield-ag-news.md) | +0.3% | +3.2% |
| MILK | 2026-08-14 | [Dairy Product, Milk Price Forecasts Mixed In Latest USDA Projections - Cheese Reporter](https://feedsoft.ai/events/17911-dairy-product-milk-price-forecasts-mixed-in-latest-usda-projections-cheese.md) | +0.2% | -2.7% |
| MILK | 2018-05-24 | [2017 milk value fell short of expectations - Progressive Dairy \| Ag Proud](https://feedsoft.ai/events/65018-2017-milk-value-fell-short-of-expectations-progressive-dairy-ag-proud.md) | +2.2% | +0.1% |
| MILK | 2024-10-14 | [USDA projections provide mixed news for dairy’s bottom line \| Ag Proud](https://feedsoft.ai/events/27862-usda-projections-provide-mixed-news-for-dairy-s-bottom-line-ag-proud.md) | +1.0% | -11.1% |
| MILK | 2019-08-06 | [New Research Highlights the Role of Rumen Protected Methionine in Dairy](https://feedsoft.ai/events/57918-new-research-highlights-the-role-of-rumen-protected-methionine-in-dairy.md) | +1.0% | +1.0% |

## Sources

- agproud.com: https://www.agproud.com/articles/54889-the-vital-role-of-byproduct-use-in-california-dairy-feed-rations

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.