Influence of age on physical traits of Japanese quail (Coturnix coturnix japonica) eggs

González, Mauricio

doi:10.1051/animres:19950309

Cited by 16 publications

(20 citation statements)

References 6 publications

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“…The other study results for albumen height values ranged between 3.64 cm (Ozcelik 2002) and 4.12 cm (Kaya and Aktan, 2011). González (1995) reported that the albumen heights at 8, 12, 17, 21, 25, 30, 34, and 39 weeks in quails were 4.92, 4.64, 4.62, 4.28, 3.28, 4.13, 4.18, and 4.04 cm, respectively.…”

Section: Resultsmentioning

confidence: 99%

Effect of selection for body weight in Japanese quails(Coturnix coturnix Japonica) on some production traits

Taşkın

Karadavut

Tunca

et al. 2016

IJAR

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The aim of the study was to identify quails which have different body weight for some production traits such as egg production, egg characteristics, daily feed consumption and feed conversion ratio (FCR). The selection was based on body weight in Japanese quail over two generations using 150 quails (120 female and 30 male). These groups consisted of Low Body Weight (LBW), High Body Weight (HBW) and control. Average body weights for females at the end of five weeks were 182.3±0.5, 159.5±0.34, and 141.7±0.55 for LBW, HBW and control groups respectively. There were significant differences between females and males in body weight across the generations. Significant differences were observed for total egg production and egg width for Group X Generation's interactions. Also, statistically significant differences were found for egg quality parameters such as yolk index, yolk height, yolk diameter, albumin length, and albumin width among generations. As a result, body weight is a very important factor in selection studies and it also increases the efficiency of the selection program with other selection features.

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Section: Resultsmentioning

confidence: 99%

Effect of selection for body weight in Japanese quails(Coturnix coturnix Japonica) on some production traits

Taşkın

Karadavut

Tunca

et al. 2016

IJAR

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“…Cependant dans l'étude de ces derniers, l'âge n'a pas influencé significativement les indices du jaune et de forme. De nombreux auteurs (Nagarajan et al, 1991;Gonzalez, 1995;Altan et al, 1998;Danilov, 2000, Nazligul et al, 2001Orhan et al, 2001) ont rapporté que le poids de l'oeuf augmente avec l'âge. Dans notre étude le poids de l'oeuf augmente avec l'âge jusqu'à la 40 ème semaine où il atteint son poids maximum de 13,66g.…”

Section: Matériel Et Méthodesunclassified

“…Ce constat est concordant avec les résultats de Zita et al (2013). Ils sont toutefois contradictoires avec ceux de Nagarajan et al (1991) et Gonzalez (1995) rapportant une augmentation de l'indice du jaune avec l'âge des cailles.…”

Section: Matériel Et Méthodesunclassified

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Ponte et qualité d'oeufs de cailles élevées en conditions semi intensives dans l'Est Algérien

Moula¹,

Philippe²,

Kaki

et al. 2014

Arch. zootec.

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“…Higher embryo mortality and worse hatching results were also observed in eggs characterised by lower egg specific gravity (IPEK & SAHAN 2001). There are few publications involving complex egg quality assessment in Japanese quail in relation to the age of birds (IMAI et al 1986;NARAYANANKUTTY et al 1989;GONZÁLEZ 1995). There is no information on egg quality trait changes of Japanese quail during egg storage.…”

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confidence: 99%

Egg Quality of Japanese Quail Depends on Layer Age and Storage Time

Nowaczewski¹,

Kontecka²,

Rosinski³

et al. 2010

folia biol (krakow)

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NOWACZEWSKI S., KONTECKA H., ROSIÑSKI A., KOBERLING S., KORONOWSKI P. 2010. Eggs quality of Japanese quail depending on layer age and storage time. Folia biol. (Kraków) 58: [201][202][203][204][205][206][207].The aim of the study was to analyse egg quality changes of Japanese quail during the reproductive season and after several days of storage. A significantly higher egg weight was recorded in week 9 than in week 25 and week 31 of age of birds. The egg specific gravity value of eggs also decreased with the age of quails. The smallest yolk weight and its percentage proportion in egg mass were observed in week 25. Eggs laid in weeks 9 and 25 were characterised by similar and lower (P#0.05) white weight in comparison to those examined on the last date. The highest white proportion in egg weight was recorded during the 25 JD week. The value of this trait was similar or smaller on the remaining dates. Similar and lower values of the white index and Haugh units, in comparison with the first date, were determined in eggs laid on weeks 25 and 31, whereas similar and greater eggshell thickness than in the 9 JD week of age was recorded on the last two dates of examination. Lower (P#0.05) egg weight was observed after 5 and 8 than after 0 (measured on the day of laying) days of storage. Likewise, smaller egg specific gravity was recorded after three consecutive periods of storage in comparison with the eggs examined on the day of laying. Eggs examined after 3, 5 and 8 days of storage, in comparison with those stored for 0 days, were characterised by lower yolk index. Significantly smaller weight and white index than after 0 days were determined in eggs stored, respectively, for 5 and 8 as well as for 3, 5 and 8 days. Similarly, smaller numbers of Haugh units were determined after 3 consecutive storage periods in comparison with the eggs examined on the day of laying. Eggs stored for 0 and 3 days were characterised by a greater eggshell weight than those examined after 5 and 8 days. The weight of Japanese quail eggs decreased significantly from day 5 onwards, whereas the egg specific gravity -from the 3 H@ day of storage. Yolk and white quality began to deteriorate already after 3 days of egg storage. It appears, therefore, that egg storage of Japanese quails before hatching lasting more than 3 days in the analysed conditions deteriorated the eggshell quality and internal egg traits.

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Influence of age on physical traits of Japanese quail (Coturnix coturnix japonica) eggs

Cited by 16 publications

References 6 publications

Effect of selection for body weight in Japanese quails(Coturnix coturnix Japonica) on some production traits

Effect of selection for body weight in Japanese quails(Coturnix coturnix Japonica) on some production traits

Ponte et qualité d'oeufs de cailles élevées en conditions semi intensives dans l'Est Algérien

Egg Quality of Japanese Quail Depends on Layer Age and Storage Time

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