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Goat

Alpha-S1 Casein

Gene

Alpha-S1 casein is a milk protein. Record the two CSN1S1 letters reported by the laboratory; a class is not a promise about one goat's milk or cheese yield.

How Alpha-S1 Casein works

Each copy shows its own effect, so both can be seen together.

DNA-tested variants share one CSN1S1 locus. VGL groups A and B as high, E, F and N as low, and a high/low pair as intermediate. Research rates E as intermediate. A class describes a genotype group, not one goat's milk.

Class
Codominant

DNA testing

VGL currently reports A, B, E, F and N. A and B can stand for groups of known high variants. Keep any different laboratory notation in the note rather than guessing a letter.

Where sources disagree

VGL calls E low in its test interpretation; research classifies E as intermediate. These are different grouping systems.

Sources

Quick facts

Guides & articles
28

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Guides & articles

Guides and articles for Alpha-S1 Casein goat owners.

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Goat Breeding Exposure Records: Keep Date Ranges and Parentage Uncertainty Clear

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How Long Do Goats Live? Goat Lifespan by Sex, Use, and Management

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Farm Tour Booking Setup: Sessions, Capacity, and a Clear Visitor Plan

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Alpha-S1 Casein Tools

Calculators, generators, and guides preset for Alpha-S1 Casein goat.

All 28 guides

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