Effect of Frequency of Ejaculation on Semen Characteristics in Two Breeds of Turkeys (Meleagris gallopavo) Raised in a Tropical Environment
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TLDR
Semen collection in turkeys is more favourable when harvested once per week since semen concentration declines progressively with increase in the ejaculation frequency.Abstract:
A study was carried out at the Abubakar Tafawa Balewa University Farm, Bauchi (February - May, 2002) to investigate the effect of frequency of ejaculation (once, twice and thrice per week) on semen traits in exotic and local turkeys. The results showed that ejaculate volume, live spermatozoa, abnormal spermatozoa, sperm concentration and total sperm per ejaculate were significantly (P<0.05) higher in exotic than local turkeys, values being 0.32±0.02 vs 0.17±0.02ml, 83.83±1.33 vs 80.67±1.33%, 11.19±0.73 vs 13.61±0.73%, 4.66±70.73 vs 2.81±74.93 x 10 and 97.72±9.86 vs 50.81±10.45 x 10 . It was also shown that 9 9 sperm concentration was the only variable significantly affected (P<0.05) by frequency of ejaculation. The interaction of breeds and frequency of ejaculation also favoured (P<0.05) the exotic breed at lower frequency of ejaculation. Semen collection in turkeys is more favourable when harvested once per week since semen concentration declines progressively with increase in the ejaculation frequency. The exotic have superior genetic make-up than the local turkeys in terms of their reproductive potential.read more
Citations
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Influence of chicken native breeds on some physical and biochemical characteristics and short-term storage of semen.
TL;DR: Variation in physical and biochemical characteristics of semen in native breeds compared to WL correlated with poor fertility after short-term storage of semen.
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Relationships between cock semen viability and the fertility of artificially inseminated South African indigenous chicken breeds
J.T Molekwa,D. O. Umesiobi +1 more
TL;DR: It is suggested that selection of high performing cocks following five minutes of sexual massage prior to semen collection enhances semen quality and quantity leading to significant improvement in the fertility of artificially inseminated hens.
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A preliminary study on semen collection, evaluation and insemination in Nigerian local turkeys ( Meleagris gallopavo )
Yahaya,MA Umaru A Aliyu +1 more
TL;DR: From the result it was clear that semen collected from the turkeys (Toms) in Sokoto was of satisfactory quality and can be used fresh in artificial insemination, and signifies satisfactory hatchability of eggs from inseminated hens.
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Pengaruh Frekuensi Penampungan Semen Terhadap Konsentrasi Dan Abnormalitas Spermatozoa Burung Puyuh
Wayan Bebas,Komang Gita Permana,I Gusti Ngurah Bagus Trilaksana,Desak Nyoman Dewi Indira Laksmi +3 more
TL;DR: Penelitian ini bertujuan untuk mengetahui pengaruh frekuensi penampungan terhadap konsentrasi dan abnormalitas spermatozoa burung puyuh yang nyata (P<0,05) dilanjutkan dengan uji Duncan.
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Behaviour and reproductive performance of Nigerian native chickens subjected to different mating ratios for a short term
O.S. Iyasere,David Oluwatowo Adeuyi,Rasheed Adebayo Alade,S. O. Durosaro,Mathew Wheto,Olajide James Ogunbanjo,Lucky Ebhodage Oyakhilome,Samuel Emmanuel,J. O. Daramola +8 more
TL;DR: There was no significant effect of mating ratio on the fertility of eggs and hatchability of the chicks, and the number of hen-hen aggression instances, frequency of visits to the nest box, and duration of nesting was not influenced by the mating ratio.
References
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TL;DR: This paper presents new directions in Poultry Genetics, focusing on quantitative and qualitative Genetics of plumage, skin and eye pigmentation in chickens, and Quantitative Genetics and Selection of growth and meat production in chickens.