Abstract
The efficiency of estrus synchronization and reproductive performance was evaluated in 120 indigenous goats ( Capra prisca) in the breeding season. Treatments were fluorogestone acetate (FGA)-impregnated sponges, FGA-impregnated sponges plus intramuscular injection of 400 IU pregnant mare serum gonadotrophin (PMSG), Double intramuscular injection of prostaglandin F 2α (PGF 2α), FGA-impregnated sponges plus intramuscular injection of PGF 2α, and FGA-impregnated sponges plus intramuscular injection of PGF 2α and 400 IU of PMSG. Estrous response to treatment was ≥95% in all treatments. Onset of estrus and estrous duration varied significantly among treatments, whereas fertility rate, gestation length, prolificacy and birth type did not differ ( P>0.05). The use of FGA-impregnated sponges, and FGA-impregnated sponges plus intramuscular injection of 400 IU PMSG was effective in the attainment of early and compact synchronization of estrus in goats.
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