. 2013 Oct 26;59(5):415–420. doi: 10.1262/jrd.2013-048

Table 1. Conception rate of embryo transfer recipients* at different levels of endometrial EGF concentrations.

Endometrial EGF concentrations (ng/g tissue weight)	No. (%) of cows	No. (%) of cows conceived
< 2.5	23 (5.3)	11 (47.8)^a
2.5–5.0	64 (14.6)	18 (28.1)^a
5.0–7.5	109 (24.9)	66 (60.6)^ab
7.5–10.0	110 (25.2)	94 (85.5)^b
10.0–12.5	97 (22.2)	82 (84.5)^b
12.5<	34 (7.8)	27 (79.4)^b
Total	437 (100)	298 (68.2)

* Japanese black (310), Holstein (87), F1 and unknown (40). ^a,bValues with different letters differ significantly (P<0.05). Produced by using data of Katagiri (2006) [29].