# Direct and correlated responses to selection for high or low ultrasonic backfat depth in Southdown sheep

> 1988 master's thesis by Jose Solis Ramirez at Massey University

**Wikidata**: [Q112848237](https://www.wikidata.org/wiki/Q112848237)  
**Source**: https://4ort.xyz/entity/direct-and-correlated-responses-to-selection-for-high-or-low-ultrasonic-backfat-depth-in-southdown-sheep


## References

1. [Source](http://hdl.handle.net/10179/5934)