Increased genetic gains in sheep, beef and dairy breeding programs from using female reproductive technologies combined with optimal contribution selection and genomic breeding values

Table 2 Proportion of selected females assigned each type of mating in each breeding program when rate of inbreeding is 1 % (±0.05 %) per generation for sheep, beef and dairy

	AI/N	MOET	JIVET	Nb of females selected^a	Nb of males used^a	Nb of females per male
Early trait sheep
AI/N + MOET + JIVET (GS)	0.37	0.24	0.39	55	23	2.4
AI/N + MOET + JIVET	0.42	0.37	0.21	65	24	2.7
AI/N + MOET (GS)	0.41	0.59		95	23	4.0
AI/N + MOET	0.5	0.5		110	23	4.8
AI/N (GS)	1			243	28	8.7
AI/N	1			243	31	8.0
Late trait sheep
AI/N + MOET + JIVET (GS)	0.36	0.18	0.46	51	28	1.8
AI/N + MOET + JIVET	0.42	0.29	0.29	59	27	2.2
AI/N + MOET (GS)	0.34	0.66		110	27	4.1
AI/N + MOET	0.45	0.55		110	29	3.8
AI/N (GS)	1.00			245	33	7.4
AI/N	1.00			244	32	7.7
Early trait beef
AI/N + MOET + JIVET (GS)	0.24	0.32	0.44	47	19	2.5
AI/N + MOET + JIVET	0.26	0.35	0.39	57	20	2.9
AI/N + MOET (GS)	0.34	0.66		98	18	5.4
AI/N + MOET	0.34	0.66		100	19	5.3
AI/N (GS)	1.00			276	14	19.7
AI/N	1.00			277	14	19.8
Late trait beef
AI/N + MOET + JIVET (GS)	0.25	0.34	0.41	51	14	3.6
AI/N + MOET + JIVET	0.26	0.40	0.34	57	15	4.1
AI/N + MOET (GS)	0.32	0.68		97	15	7.7
AI/N + MOET	0.35	0.65		101	16	5.0
AI/N (GS)	1.00			277	15	18.1
AI/N	1.00			279	16	17.2
Dairy
AI + MOET + JIVET (GS)	0.38	0.28	0.34	143	39	3.7
AI + MOET + JIVET	0.47	0.35	0.18	167	41	4.1
AI + MOET (GS)	0.47	0.53		265	40	6.7
AI + MOET	0.44	0.56		263	34	7.7
AI (GS)	1.00			646	59	11.0
AI	1.00			652	41	15.8

^aAll standard errors of means (SEM) for total numbers of ewes, cows and males were less than 1.2, 2.7 and 0.18, respectively

ISSN: 1297-9686