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International Journal Of Forest, Animal And Fisheries Research(IJFAF)

Evaluating the Effect of Oestrus Synchronization on the Reproductive Efficiency of Indigenous Goats Reared in two districts of Gamo Zone, South Ethiopia

Dereje Dea , Yoseph Mekasha , Aberra Melesse

Article Info: Received: 11 Jun 2024; Received in revised form: 16 Jul 2024; Accepted: 24 Jul 2024; Available online: 31 Jul 2024

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DOI: 10.22161/ijfaf.8.3.1

Journal : International Journal Of Forest, Animal And Fisheries Research(IJFAF)

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The goal of the current study was to evaluate how oestrus synchronisation affected the reproductive effectiveness of native goats reared in two possible Gamo zone districts Prostaglandinbased Lutalyse PGF2 hormone was injected intramuscularly at a dose of 25 ml in a single shot to synchronise oestrus in sixty does Does and chosen bucks were mate at random with a 110 buck to doe ratio right after the hormone treatment The expression of standing heat when does were exposed to bucks was used to determine the oestrous response to hormone treatment Within 96 hours the does that displayed oestrus were allowed with bucks Pregtone was used to diagnose the pregnancy one month later or it was done by visual observation Approximately 85 of the does exhibited oestrus within 56 hours of hormone delivery according to the results The Pregtone tool demonstrated high efficacy in detecting early pregnancy prior to hormone delivery The observed rate of abortion was 612 but the overall conception rate was 817 In does the gestation duration was 153256 days on average The synchronised does kid had an average birth weight of 249033 kg and a litter size of 131046 respectively While body weight and district had no effect on the oestrous response and conception rate the does age parity and body condition did p005 The oestrus response and conception rate of does with a parity of 1 to 4 were considerably higher than those of does with a parity of five When it came to hormone treatment and conception rate the does with body condition scores of 3 and 4 responded better than those with lower scores Compared to younger does older did displayed a reduced oestrus response and conception rate It was discovered that taking age parity and body condition score into account during oestrus synchronisation in local goats was helpful for a higher conception rate

conception rate; Gamo zone; indigenous goat; oestrus synchronization; reproduction efficiency.

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