In a free-ranging population, jennies may continue to nurse their foals until ten months of age (French, 1998). Feed supplementation along with anthelmintic treatment during late pregnancy and lactation has been associated with better survival of foals in Ethiopia (Mengistu ''et al'', 2005). This may be due to increased mammary function and prevention of failure of passive transfer. | In a free-ranging population, jennies may continue to nurse their foals until ten months of age (French, 1998). Feed supplementation along with anthelmintic treatment during late pregnancy and lactation has been associated with better survival of foals in Ethiopia (Mengistu ''et al'', 2005). This may be due to increased mammary function and prevention of failure of passive transfer. |