Table 5.

Effects of Mn and BS on the serum hormone of breeding geese during laying period.

Group	Mn (mg/Kg)	BS (CFU/Kg)	FSH (mIU/mL)	PRL (mIU/L)	E2 (pg/mL)
I	10	5 × 109	2.73a	267.42	209.39c
II	20	5 × 109	3.18a	277.03	200.34c
III	30	5 × 109	3.26a	299.12	240.02a
IV	10	2.5 × 109	2.51b	273.65	186.67c
V	20	2.5 × 109	2.69b	274.20	204.59c
VI	30	2.5 × 109	2.77b	287.18	228.58a
	10		2.62	270.53	198.03c
	20		2.94	275.6	220.44c
	30		3.02	293.15	234.30a
		5 × 109	3.06a	281.19	216.57
		2.5 × 109	2.67b	278.33	206.61
	SEM		0.43	28.73	23.06
	P value	Mn	0.110	0.313	<0.01
		BS	0.019	0.820	0.146
		Mn × BS	0.705	0.835	0.245

In the same column, values with the same small or no letter superscripts mean no significant difference (P > 0.05), while with adjacent small letter superscripts mean significant difference (P < 0.05), and with alternate small letter superscripts mean significant difference (P < 0.01).

Abbreviations: BS, Bacillus subtilis; FSH, follicle-stimulating hormone; PRL, prolactin.