Table 5.

Effect of the AA-NAT SNP on reproductive traits in Egyptian sheep breeds. Where $N$ is the number of observed genotypes; LSM represents least-square mean; SE represents standard error.

Breeds	Genotype	$N$	Age at first lambing			Lambing interval			Litter size			Fertility
			LSM	$\pm$	SE	LSM	$\pm$	SE	LSM	$\pm$	SE	LSM	$\pm$	SE
Ossimi	GG	6	933.68	$\pm$	62.02	550.94	$\pm$	72.80	1.20	$\pm$	0.05	0.77	$\pm$	0.13
	GA	22	1072.31	$\pm$	41.31	580.43	$\pm$	48.44	1.05	$\pm$	0.04	0.48	$\pm$	0.09
	AA	38	987.04	$\pm$	31.63	432.29	$\pm$	32.43	1.01	$\pm$	0.03	0.61	$\pm$	0.07
	$P$ value	66	0.02${}^{\ast }$			0.01${}^{\ast \ast }$			0.01${}^{\ast \ast }$			0.08
Rahmani	GG	10	783.98	$\pm$	56.80	359.34	$\pm$	38.51	0.94	$\pm$	0.08	0.55	$\pm$	0.14
	GA	24	899.06	$\pm$	41.00	354.80	$\pm$	24.24	1.03	$\pm$	0.06	0.57	$\pm$	0.10
	AA	7	882.34	$\pm$	69.71	522.39	$\pm$	57.53	0.97	$\pm$	0.13	0.21	$\pm$	0.17
	$P$ value	41	0.14			0.02${}^{\ast }$			0.54			0.09
	GG	0	–	$\pm$	–	–	$\pm$	–	–	$\pm$	–	–	$\pm$	–
Barki	GA	16	601.66	$\pm$	15.85	353.97	$\pm$	40.64	1.00	$\pm$	0.00	1.00	$\pm$	0.00
	AA	3	559.03	$\pm$	32.04	407.23	$\pm$	78.75	1.00	$\pm$	0.00	1.00	$\pm$	0.00
	$P$ value	19	0.16			0.47			–			–
All breeds	$P$ value	126	0.03${}^{\ast }$			0.45			0.35			0.22

${}^{\ast }$ is significant at the $p$ 0.05 level, and ${}^{\ast \ast }$ is significant at the $p$ 0.01 level.