# What to replace soy with in cow feed? This feed may lower costs, but it cannot simply replace soy kilogram for kilogram

> The article discusses rapeseed meal, sunflower meal and domestic legume seeds as alternatives to soybean meal in dairy cattle diets. It notes that replacements differ in protein, fibre and energy content, and that rapeseed meal is rich in sulphur amino acids such as methionine. It stresses that dosage must be rebalanced to avoid hurting milk yield.

- Date: 2026-11-01 · published 2026-11-03T13:39:43.374Z
- Category: market · region EU · magnitude low
- Page: https://feedsoft.ai/events/77808-what-to-replace-soy-with-in-cow-feed-this-feed-may-lower-costs-but-it-cannot
- Commodities: [Soybean Meal](https://feedsoft.ai/c/SBM.md), [Canola Meal](https://feedsoft.ai/c/CANMEAL.md), [Sunflower Meal](https://feedsoft.ai/c/SUNMEAL.md)

## Why it matters

Growing interest in rapeseed and sunflower meal as soy substitutes can shift demand between oilseed meals, supporting rapeseed meal values where farmers switch. The result is a rebalancing of feed protein purchases rather than an immediate price shock.

## Read by commodity

- SBM: neutral
- CANMEAL: bullish ▲
- SUNMEAL: bullish ▲

## Sources

- zycierolnika.pl: https://zycierolnika.pl/czym-zastapic-soje-w-zywieniu-krow-ta-pasza-moze-obnizyc-koszty-ale-nie-wystarczy-zamienic-jej-kilogram-za-kilogram/

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