A study on mutation points of GDF9 gene and their association with prolificacy in Egyptian small ruminants

Journal of Genetic Engineering and Biotechnology

Table 2 The effect of mutation points of GDF9 gene on fecundity traits in Egyptian sheep

Species	Total No. of animals	No. of FSH	No. of mothers	Allele name or mutation point (M.P.)		No. of FSH with M.P	% of FSH with M.P	No. of mothers with M.P	% of mothers with M.P	Type of birth		Mean No. of lambing MNL	Mean No. of twin production MNTP
Species	Total No. of animals	No. of FSH	No. of mothers	Allele name or mutation point (M.P.)		No. of FSH with M.P	% of FSH with M.P	No. of mothers with M.P	% of mothers with M.P	% S	% T	Mean No. of lambing MNL	Mean No. of twin production MNTP
Sheep	95	12	83	G1	W. Homozygous (GG)	11	0.91	81	0.98	1.01	0.58	2.17 ± 0.44^b	1.59 ± 0.44^b
				G1	Heterozygous (AG)	1	0.08	2	0.02	0.02	0.01	0.048 ± 0.037^a	0.036 ± 0.03^a
				G4	W. Homozygous (AA)	10	0.83	11	0.13	0.14	0.06	0.3 ± 0.18^a	0.2 ± 0.14^a
				G4	Heterozygous (AG)	2	0.17	72	0.87	0.89	0.53	1.95 ± 0.55^b	1.42 ± 0.42^b
				G6	W. Homozygous (GG)	12	1.0	81	0.98	1.01	0.58	2.17 ± 0.44^b	1.59 ± 0.44^b
				G6	Heterozygous (AG)	0.0	0.0	2	0.02	0.02	0.01	0.048 ± 0.037^a	0.036 ± 0.03^a
				G7	W. Homozygous (GG)	0.0	0.0	0.0	0.0	0.0	0.0	0.0^a	0.0^a
				G7	Heterozygous (AG)	12	1.0	83	1.0	1.04	0.59	2.21 ± 0.44^b	1.62 ± 0.38^b
				G8	W. Homozygous (CC)	12	1.0	83	1.0	1.04	0.59	2.21 ± 0.44^b	1.62 ± 0.38^b
				G8	Heterozygous (CT)	0.00	0.00	0.00	0.00	0.00	0.00	0.00^a	0.00^a

FSH females at age of sexual maturation, M.P mutation point, W. Homozygous wild-type homozygous, S. single birth, T. twin birth
Data expressed as mean ± SE values followed by different superscript letters are significantly different from one another within the same columns (P ≤ 0.05)