The effects of natural mating and artificial insemination using cryopreserved buck semen on reproductive performance in Alpine goats
| Autor: | Dehouegnon Jerry Agossou, Nazan Koluman |
|---|---|
| Přispěvatelé: | Çukurova Üniversitesi |
| Rok vydání: | 2018 |
| Předmět: |
Cultural Studies
040301 veterinary sciences medicine.medical_treatment Semen Biology Cryopreservation lcsh:Agriculture 0403 veterinary science Animal science lcsh:Zoology medicine Original Study lcsh:QL1-991 Mating lcsh:Science Equine chorionic gonadotropin lcsh:SF1-1100 Estrous cycle Pregnancy Progestogen Artificial insemination lcsh:S 0402 animal and dairy science Religious studies 04 agricultural and veterinary sciences medicine.disease 040201 dairy & animal science lcsh:Q lcsh:Animal culture |
| Zdroj: | Archives Animal Breeding Archives Animal Breeding, Vol 61, Pp 459-461 (2018) |
| ISSN: | 2363-9822 |
| Popis: | This study compared the effects of natural mating and artificial insemination using frozen buck semen on reproductive performance in Alpine goats. Sixty reproductive Alpine goats were grouped according to natural mating (n=30) and artificial insemination (n=30) breeding methods. Oestrus was synchronised in experimental goats using a vaginal sponge impregnated with 20 mg of progestogen FGA (fluorogestone acetate) for 11 days. At the time of sponge insertion, 150 µg of prostaglandin F2α (PGF2α) analogue was injected intramuscularly. Forty-eight hours prior to vaginal sponge withdrawal, 500 IU equine chorionic gonadotropin (eCG) was injected into the animals. At the end of synchronisation protocol, goats were fertilised using frozen semen or mated with a well-performing buck (ratio: 1 male to 5 females). The pregnancy (pregnant/synchronised goats) and mortality rates (P) were higher (93 % vs. 70 %; 2 % vs. 4 %) in the naturally mated goats than the artificially inseminated group. Kids' live weight at birth was similar (3.83±0.23 and 3.15±0.11 kg) in both groups. The oestrus synchronisation followed by natural mating achieved better reproductive performance than the goats artificially inseminated using frozen semen. However, the artificially inseminated animals displayed an acceptable twinning rate. |
| Databáze: | OpenAIRE |
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