Effect of storage duration on egg quality, embryo mortality and hatchability in FUNAAB‐ɑ chickens

Abioja, M. O.; Abiona, J. A.; Akinjute, Obafemi Foluso; Ojoawo, Henry Temitope

doi:10.1111/jpn.13480

Cited by 17 publications

(33 citation statements)

References 34 publications

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“…It is well known that prolonging the post-oviposition storage of eggs negatively affect egg hatchability in chickens ( Tona et al, 2003 ; Petek and Dikmen, 2006 ; Hamidu et al, 2011 ; Khan et al, 2014 ; Addo et al, 2018 ; Abioja et al, 2021 ). This is corroborated by the findings of the present study.…”

Section: Resultsmentioning

confidence: 99%

“…Storage for 3, 6, 9, and 12 d yielded hatchability of fertile eggs of 67, 45, 42, and 36%, respectively. Reduction of hatchability may be attributed to loss of quality in yolk and albumen ( King'ori, 2011 ; Addo et al, 2018 ; Abioja et al, 2021 ). Quality of albumen is of utmost importance in the development of chicken embryo.…”

Section: Resultsmentioning

confidence: 99%

“…Transylvanian naked neck chicken eggs seem to be highly sensitive to storage extension, in that storage for 3, 6, and 9 d had already caused a reduction of 18.2, 40.4, and 42.5%, respectively. Usually, hatchability in chicken eggs increases slightly to reach a peak between 3 and 5 d after oviposition ( Addo et al, 2018 ; Ayeni et al, 2020 ; Nasri et al, 2020 ; Rahardja et al, 2020 ; Abioja et al, 2021 ). Thereafter, further storage causes steady reduction in egg hatchability.…”

Section: Resultsmentioning

confidence: 99%

“…It is customary to store chicken eggs in cold room with temperature between 15 and 18°C and relative humidity of 70 to 75% ( Tona et al, 2003 ; Bergoug et al, 2013 ; Addo et al, 2018 ; Hamidu et al, 2019 ). However, extended storage of eggs negatively affects hatchability, chick development and quality ( Tona et al, 2003 ; Petek and Dikmen, 2006 ; Hamidu et al, 2011 ; Abioja et al, 2020a , 2021 ) Fasenko (2007) . did a good review on the influence of egg storage on the development of embryo.…”

Section: Introductionmentioning

confidence: 99%

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Research Note: Effect of egg storage length on spread of hatch window, chick quality, and organ development in Transylvanian naked neck chickens

et al. 2022

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Research Note: Effect of egg storage length on spread of hatch window, chick quality, and organ development in Transylvanian naked neck chickens

et al. 2022

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“…Efforts to upgrade the Nigerian local chickens have yielded the Funaab Alpha breed by crossbreeding the indigenous stock with exotic over the years. This breed of chicken combines the hardiness of indigenous chickens with the productivity of exotic and according to Abioja et al (2020), Funaab alpha chickens are well adapted to prevailing conditions of the humid tropics and have effective thermoregulation capacity. The reproductive potential of cocks is mostly in uenced by their semen quality (Isidahomen 2013) and the higher genetic diversity between chicken breeds in terms of their semen quality and output (Sonseeda et al 2013;Ameen et al 2014;Getachew, 2016) necessitate the need to compare the semen characteristics of different breeds to identify the reproductive merit of any cocks (Peter 2004).…”

Section: Introductionmentioning

confidence: 99%

Discriminant Analysis of Sperm Cryotolerance Among Different Breeds of Chickens in Hot Humid Tropical Environment

Ojo

Oke

Iyasere

et al. 2022

Preprint

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Cryopreservation is a viable reproductive technique but still have detrimental consequences on sperm quality and fertility. This study compared the sperm cryotolerance among different breeds of chickens in hot humid environments. Semen samples were collected from thirty (30) cocks comprising 10 Funaab alpha normal feathers, Arbo acre and dominant black. The semen was analyzed for acrosome integrity, membrane integrity, seminal leukocyte, Live/dead, sperm abnormality, MDA concentration and sperm motility. Breed differences (p < 0.01) were observed in Acrosome integrity, seminal leukocyte, live/dead ratio, sperm abnormal midpiece and sperm abnormal tail. The stepwise discriminant analysis revealed that live/dead, MDA, Abnormal midpiece, Leukocyte, Acrosome, Abnormal head and sperm motility are discriminant variables that can effectively differentiate the three breeds of chickens with Live/dead, MDA and Leukocyte having highly significant (P < 0.0001) discriminatory power. The study obtained two canonical variables accounting for 66.94% and 33.06% of the total variation respectively. The three breeds of chicken were differentiated by linear discriminant functions. 56.67% of Funaab Alpha chicken, 67.78% of Arbo acre and 47.78% of Dominant black chicken were accurately assigned into their breeds while the longest Mahalanobis distance was found between Arbor Acre and Funaab Alpha chicken. The discriminant functions obtained in this study could help differentiate these three breeds of chicken that are suitable for artificial insemination in humid tropics using their post-thaw semen quality.

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Embryonic methionine triggers post-natal developmental programming in Japanese quail

Ndunguru,

Reda,

Csernus

et al. 2024

J Comp Physiol B

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Embryonic development is one of the most sensitive and critical stages when maternal effects may influence the offspring’s phenotype. In birds and other oviparous species, embryonic development is confined to the eggs, therefore females must deposit resources into the eggs to prepare the offspring for the prevailing post-natal conditions. However, the mechanisms of such phenotypic adjustments remain poorly understood. We simulated a maternal nutritional transfer by injecting 1 mg of l-methionine solution into Japanese quail eggs before the onset of incubation. The increase in early methionine concentration in eggs activated the insulin/insulin-like signalling and mechanistic target of rapamycin (IIS/mTOR) signalling pathways and affected post-natal developmental trajectories. Chicks from methionine-supplemented eggs had higher expression of liver IGF1 and mTOR genes at hatching but were similar in size, and the phenotypic effects of increased growth became apparent only a week later and remained up to three weeks. Circulating levels of insulin-like growth factor-1 (IGF-1) and expression of ribosomal protein serine 6 kinase 1 (RPS6K1), the mTOR downstream effector, were elevated only three weeks after hatching. These results show that specific nutritional cues may have phenotypic programming effects by sequentially activating specific nutrient-sensing pathways and achieving transgenerational phenotypic plasticity.

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Effect of storage duration on egg quality, embryo mortality and hatchability in FUNAAB‐ɑ chickens

Cited by 17 publications

References 34 publications

Research Note: Effect of egg storage length on spread of hatch window, chick quality, and organ development in Transylvanian naked neck chickens

Research Note: Effect of egg storage length on spread of hatch window, chick quality, and organ development in Transylvanian naked neck chickens

Discriminant Analysis of Sperm Cryotolerance Among Different Breeds of Chickens in Hot Humid Tropical Environment

Embryonic methionine triggers post-natal developmental programming in Japanese quail

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