# A study of some aspects of the genetic variation and covariation of fertility in a flock of New Zealand Romney ewes

> 1955 master's thesis by Tang Seng Ch'ang at Massey University

**Wikidata**: [Q112835078](https://www.wikidata.org/wiki/Q112835078)  
**Source**: https://4ort.xyz/entity/a-study-of-some-aspects-of-the-genetic-variation-and-covariation-of-fertility-in-a-flock-of-new-zealand-romney-ewes


## References

1. [Source](http://hdl.handle.net/10179/13740)