The latest data published by the Spanish National Statistics Institute regarding the agricultural census carried out in 2009 shows that the number of farms decreased by 23,2% between the years 1999 and 2009.
The most significant decreases were swine farms (–61,4%), poultry farms (–59,6%) and horse farms (–52,4%). However, in the inter-census period an increase of the average number of head per farm was seen, for all livestock species. The largest increases were seen on swine farms (190,7% above the average number of head), on poultry farms (173,9% more) and on horse farms(128,1%).
By species, the largest number corresponds to poultry, at almost 201 million, followed by swine, at 24,7 million, and sheep, at 16,6 million.
Between the years 1999 and 2009 there had been an increase in the number of head of swine (by 12,3%), poultry (by10,7%) and horses (by8,7%). On the contrary, the number of sheep has decreased (–20,8%), as well as goats(–13,3%) and cows (–8,0%).