Table 5.

Changes in the mRNA levels of AMH in all follicular categories of duck and goose ovaries during the first 6 post-hatching week.

Species	Week of age	Primordial follicle	Primary follicle	Secondary follicle
Duck	1	0.060 ± 0.011c,d	N.A.	N.A.
	2	0.125 ± 0.026b	N.A.	N.A.
	3	0.293 ± 0.006a	0.122 ± 0.003b	N.A.
	4	0.047 ± 0.006d	0.074 ± 0.015c	0.121 ± 0.009b
	5	0.105 ± 0.012bc	0.095 ± 0.011c	0.165 ± 0.040b
	6	0.298 ± 0.037a	0.176 ± 0.004a	0.397 ± 0.079a
Goose	1	0.114 ± 0.005d	N.A.	N.A.
	2	0.506 ± 0.005b	N.A.	N.A.
	3	0.608 ± 0.055a	0.699 ± 0.010a	N.A.
	4	0.230 ± 0.012c	0.147 ± 0.029b	0.104 ± 0.025a
	5	0.210 ± 0.023c	0.146 ± 0.052b	0.091 ± 0.021a
	6	0.030 ± 0.011e	0.063 ± 0.012c	0.019 ± 0.010b
P-value	Species effect	<0.0001	<0.0001	<0.0001
	Age effect	<0.0001	<0.0001	<0.0001
	Interaction effect	<0.0001	<0.0001	<0.0001

^a–eDifferent lowercase letters indicate significant differences in the same follicular category of the same species across weeks at P < 0.05.

Abbreviations: AMH, anti-Müllerian hormone; N.A., not available.