Meaning of contingente de sangre by Danilo Enrique Noreña Benítez

quota of blood is incorrectly written and it should be written as "Contingent of blood." being its meaning:
It is a book published in Mexico by the INAH coordinated by José Antonio Serrano Ortega. This book analyzes the impact of recruitment in the military between the national Government and the States and political relations and in social and economic life of the regions. The 1824 Congress determined that each State should provide to the army a contingent of blood, i.e., a certain number of recruits to increase permanent battalions and thus cover their low. Without however, the Governments of the States refused to comply with the mandate because they didn't contribute to the formation of a strong national Government that, through an effective permanent militia, play them its military and political autonomy achieved during the war of independence.