Table 1

Parameters	A ( 50.0% BM)	B (75.0% BM)	C (100.0% BM)	D (0.0 % BM)
Age at puberty (months)	6.66 ± 0.15^a	6.52 ± 0.22^a	6.58 ± 0.25^a	6.53 ± 0.10^a
Length of pro-eostrus (days)
First eostrus	2.40 ± 0.22^a	2.25 ± 0.19^a	2.26 ± 0.12^a	2.27 ± 0.21^a
Second eostrus	1.70 ± 0.05^ab	1.76 ± 0.10^a	1.44 ± 0.10^b	1.66 ± 0.08^ab
Third eostrus	1.29 ± 0.10^a	1.32 ± 0.16^a	1.29 ± 0.10^a	1.32 ± 0.15^a
Standing reflex duration (days)
First eostrus	1.00 ± 0.08^a	1. 48 ± 0.17^a	1.34 ± 0.05^a	1. 34 ± 0.20^a
Second eostrus	1.95 ± 0.03^a	1. 97 ± 0.16^a	2.17 ± 0.17^a	1.87 ± 0.20^a
Third eostrus	1.98 ± 0.02^a	2.06 ± 0.13^a	1.97 ± 0.15^a	1.96 ± 0.16^a
Intensity of reddening and swelling of vulva (RSV)
First eostrus	2.87 ± 0.04^a	2.86 ± 0.06^a	2. 82 ± 0.07^a	2.80 ± 0.09^a
Second eostrus	2.57 ± 0.09^a	2. 64 ± 0.07^a	2.53 ± 0.20^a	2.50 ± 0.02^a
Third eostrus	2.02 ± 0.02^a	2.07 ± 0.03^a	2.00 ± 0.03^a	2.01 ± 0.17^a
Duration of RSV (days)
First eostrus	7.76 + 0.19^a	7.78 + 0.24^a	7.60 + 0.23^a	7.80 + 0.09^a
Second eostrus	7.70 + 0.21^a	8.02 + 0.32^a	7.53 + 0.31^a	7.50 + 0.34^a
Thirds eostrus	7.36 + 0.20^a	7.44 + 0.19^a	7.47 + 0.35^a	7.31 + 0.31^a
Duration of eostrus cycle (days)
First eostrus	20.08 ± 0.97^a	19.80 ± 0.80^a	20.88 ± 0.54^a	21. 05 + 1.02^a
Second eostrus	20.50 + 0.96^a	21.80 ± 0.97^a	21.42 + 0.64^a	20.17 + 0.54^a
Third eostrus	18.92 + 0.58^a	18.60 + 0.68^a	19.23 + 0.63^a	19.40 + 0.68^a

Values on the same row with different superscripts are significantly (P<0.05) different

Table 1: Age at puberty external signs at first, second and third estrus cycles of gilts fed SBM replaced BM formulated diets.