Minimum sperm dose for optimal fertility after artificial insemination in ostriches

Muvhali, Pfunzo T.; Bonato, Maud; Malecki, Irek; Cloete, S.W.P.

doi:10.1016/j.theriogenology.2022.04.013

Cited by 2 publications

(2 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…However, we discovered that sperm concentration (150 to 250 million/dose) did not affect the fertility rate; only insemination frequency (once, twice, and thrice weekly) affected fertility. Previous reports have also shown, similarly to our results, that there was no significant interaction between fertility and the fertile period when inseminating Isa Brown pullets with various sperm dosages (50, 100, and 150 million/0.1 mL) [31] or when using a sperm dose range of 15 to 60 million in Japanese quails [32]. Moreover, there was no significant increase in fertility with higher sperm dosages (5-9.6 million sperm cells) in ostriches [33].…”

Section: Discussionsupporting

confidence: 91%

Fertility and Insemination Characteristics of Sperm Storage Tubules in Old Thai-Native Hens

Kheawkanha,

Chankitisakul,

Pimprasert

et al. 2024

Animals

View full text Add to dashboard Cite

We aimed to evaluate the effects of sperm concentration (150–250 × 106 spz/dose) and insemination frequency (once, twice, and thrice weekly) on fertility and sperm storage tubule (SST) characteristics. The SSTs were classified into five categories: namely, SSTs having an unscorable (SST1), empty (SST2), low (SST3), medium (SST4), and high (SST5) sperm count after insemination. The results showed that only insemination frequency affected the fertility rate (p < 0.05). The highest fertility was found in the thrice-weekly insemination group; however, this rate was not significantly different from that for the twice-weekly insemination group, except on day 7, while the once-weekly insemination group showed the lowest fertility rate (p < 0.05) from day four onward. On day 1, the SST characteristics showed no differences among the various insemination frequencies. On day 4, the SST2 and SST3 categories increased in the once-weekly insemination group (p < 0.05), while the SST4 and SST5 categories decreased compared to the twice- and thrice-weekly insemination groups (p < 0.05). On day 7, only the thrice-weekly insemination group maintained a level of SST5 category tubules like that measured on day 1 (p > 0.05). In summary, the insemination dose of 150 × 106 sperm was enough for fertilization, and thrice-weekly insemination was the appropriate frequency in old Thai native hens for maintaining a high sperm density in the SSTs throughout the week.

show abstract

Section: Discussionsupporting

confidence: 91%

Fertility and Insemination Characteristics of Sperm Storage Tubules in Old Thai-Native Hens

Kheawkanha,

Chankitisakul,

Pimprasert

et al. 2024

Animals

View full text Add to dashboard Cite

show abstract

“…Nas aves não-domésticas, a IA já foi realizada em várias espécies como nos patos (Watanabe, 1957(Watanabe, , 1961; nos falcões de cauda vermelha (Temple, 1972); nos faisões (Spiller et al, 1977;Resende et al, 1980;Resende et al, 2011), no emu (Malecki et al, 1997;Malecki, Martin, 2004), no periquito australiano (Samour, 2002); no jacu (DeMatteo et al, 2004); em grandes papagaios (Lierz et al, 2013); na calopsita (Neumann et al, 2013); no avestruz (Carvalho et al, 2006;Muvhali et al, 2022); no açor-nortenho (Fausto et al, 2023) entre muitas outras como será apresentado nesta revisão.…”

Section: História Da Ia Em Avesunclassified

Inseminação artificial em aves não-domésticas: Uma revisão

Almeida

Resende

2023

RSD

View full text Add to dashboard Cite

Atualmente existem no Brasil 257 espécies de aves, conhecidas classificadas como “ameaçadas de extinção”. Na tentativa de tentar solucionar esse problema, vários programas de criação e propagação de aves em cativeiro, como o do mutum de Alagoas (Pauxi mitu), a ararinha-azul (Cyanopsitta spixii), entre outros vem sendo realizados nas últimas décadas, com o intuito de restabelecer a manutenção da diversidade genética e restaurar populações selvagens dessas espécies ex situ para posteriormente devolvê-las a seu ambiente natural. No entanto, a reprodução em cativeiro, possui uma série de entraves inerentes à manejo de populações pequenas e fechadas de aves ameaçadas, incluindo lidar com instabilidade demográfica, física e deficiências comportamentais, incompatibilidade sexual, falta de sincronia e necessidade de manter a diversidade genética. Diante dessa situação, a biotecnia da inseminação artificial (IA) tem o potencial de contribuir para ajudar a solucionar parte desses problemas. Neste contexto, esta revisão tem o objetivo de apresentar e discutir o uso da IA em aves não-domésticas, para auxiliar na conservação de espécies ameaçadas e divulgar esta biotecnia entre criadores, técnicos e profissionais que atuam com reprodução de aves.

show abstract

Minimum sperm dose for optimal fertility after artificial insemination in ostriches

Cited by 2 publications

References 32 publications

Fertility and Insemination Characteristics of Sperm Storage Tubules in Old Thai-Native Hens

Fertility and Insemination Characteristics of Sperm Storage Tubules in Old Thai-Native Hens

Inseminação artificial em aves não-domésticas: Uma revisão

Contact Info

Product

Resources

About