# Assistance at parturition of primiparous, two-year-old, Angus heifers and the effect of liveweight gain of heifers in early pregnancy on birth weight of the calf

> 2009 doctoral thesis by Rebecca Edith Hickson at Massey University

**Wikidata**: [Q111965405](https://www.wikidata.org/wiki/Q111965405)  
**Source**: https://4ort.xyz/entity/assistance-at-parturition-of-primiparous-two-year-old-angus-heifers-and-the-effect-of-liveweight-gain-of-heifers-in-early-pregnancy-on-birth-weight-of-the-calf


## References

1. [Source](http://hdl.handle.net/10179/3355)