Table 1. Summary of an embryo transfer experiment using fertility classified heifers as embryo donors.

Fertility Class	Number	Embryos/Oocytes Recovereda	Range	Transferrable Embryosa	Range	Total Embryos Transferred	Pregnancy Rate of Recipient Cows
High Fertile (HF)	13	13.5+2.7	1–40	7.5+1.8	0–20	28	54%
Subfertile (SF)	13	13.6+2.7	2–31	5.6+1.8	0–10	32	39%
Infertile (IF)	6	9.5+3.9	1–30	4.6+2.7	0–22	13	62%

^aMean ± SEM.