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Strategy for England’s Wildlife and Ecosystem Services, Biodiversity 2020 indicatorsGenetic Resources for food and agriculture: Animal genetic resources - effective population size of native breeds at risk

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criteria	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	year (number of breeds)	Number of NBAR breeds with Ne <50 goats	Number of NBAR breeds with Ne <50 pigs	Number of NBAR breeds with Ne <50 horses	Number of NBAR breeds with Ne <50 sheep	Number of NBAR breeds with Ne <50 cattle	Column	NBAR breeds with Ne <50 goats	NBAR breeds with Ne <50 pigs	NBAR breeds with Ne <50horses	NBAR breeds with Ne <50sheep	NBAR breeds with Ne <50 cattle
Average effective population size for Native Breeds at Risk goats (4)	Not set	Not set	Not set	Not set	63	61	58	68	66	74	75	73	60	81	80	2000	Not set	1	1	1	2	2000	Not set	Oxford Sandy and Black	Eriskay Pony	Boreray	Dairy Shorthorn (Original Population) Dairy Shorthorn (Northern 100% pure bred)
Average effective population size for Native Breeds at Risk pigs (11)	177	125	135	153	171	194	221	208	197	223	250	230	192	175	159	2001	Not set	2	2	1	2	2001	Not set	British Lop Oxford Sandy and Black	Eriskay Pony Suffolk	Boreray	Dairy Shorthorn (Original Population)Dairy Shorthorn (Northern 100% pure bred)
Average effective population size for Native Breeds at Risk horses (13)	179	148	127	135	143	181	178	199	196	192	179	169	150	149	139	2002	Not set	2	2	2	2	2002	Not set	British Lop Oxford Sandy and Black	Eriskay Pony Suffolk	Boreray Lincoln Longwool	Dairy Shorthorn (Original Population) Dairy Shorthorn (Northern 100% pure bred)
Average effective population size for Native Breeds at Risk sheep (22)	241	198	199	255	265	267	294	338	305	306	335	374	371	373	384	2003	Not set	1	2	1	2	2003	Not set	Oxford Sandy and Black	Eriskay Pony Suffolk	Boreray	Dairy Shorthorn (Original Population) Dairy Shorthorn (Northern 100% pure bred)