Experimental Study on the Geometrical and Mechanical Properties of Goose Eggshells

Zhang, Jian; Peng, Wenjun; Tang, Wenxian; Wang, M

doi:10.1590/1806-9061-2016-0384

Cited by 23 publications

(7 citation statements)

References 11 publications

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“…Shape index ratio determined in the present study was similar to the values (64.9% and 67.5%) reported by Mazanowski and Bernacki [19] for White Italian × Slovakian × Graylag geese and those (66.40% and 67.28%) stated by Arslan and Saatci [20] for geese native to the region of Kars. However, Zhang et al [21] found that the shape index was 69% for 2-year-old geese, which was lower than the value found in the present study. This may be associated with breed, origin, and age of the geese and mainly the fact that geese used in the study were reared under breeder conditions.…”

Section: External Quality Traitscontrasting

confidence: 97%

The effect of laying period on egg quality traits and chemical composition of Lindovskaya (Linda) geese reared under breeder conditions

Sarı¹,

Buğdayci²,

Akbaş³

et al. 2019

Turk J Vet Anim Sci

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IntroductionLivestock support in recent years has enabled the introduction of various goose breeds into the Turkish poultry sector. These mainly include two broiler breeds, the Emden and Toulouse, alongside one laying breed, the Chinese goose. Random crossbreeding has been realized especially between Chinese geese and domestic geese; thus, various goose breeds and eggs other than these breeds have also been introduced to the Turkish poultry sector and they have even been reared a little. One of these breeds is the Lindovskaya.The Lindovskaya breed constitutes the majority of the goose population in Russia and was obtained by crossbreeding the domestic breeds from the Nizhny Novgorod region of Russia and breeds from China, including the Adler, Solnechnogorsk, and Gorky. Their number accounts for more than 60% of the country's geese. Lindovskaya was registered as a breed in 1994. They are heavy-bodied birds, and their feathers are generally white. They have a cone-like bump referred to as a knop on their foreheads. This bump is larger in male adult geese than it is in females. A slight swelling or dewlap is seen on their necks. Their body is deep, wide, and long. The average live weight of an adult Lindovskaya goose is 6 to 7 kg; males tend to generally be heavier than females. Females are reported to lay 40 to 50 eggs per year [1] (https://yaroslavskaya.all.biz/en/lindovskiyes-geese).Goose eggs are generally used to obtain goslings and they may be eaten as well, albeit rarely. Thus, identifying the quality traits of eggs of geese in the flock is necessary in order to use them for goslings as well as a food source. Traits such as egg weight, form index, shell weight, shell thickness, shell ratio, surface area of egg shell, shell weight per unit surface area, and shell density are used to identify the external quality traits of the eggs. Dawson and Clark [2] reported that egg weight affected the vitality of goslings as well as their walking/swimming and growth performances in the first 2 weeks. Vargare et al. [3] determined the egg weight of Landes and Hungarian geese as 153.9 and 154.2 g, respectively. The internal quality traits of eggs are identified

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Section: External Quality Traitscontrasting

confidence: 97%

The effect of laying period on egg quality traits and chemical composition of Lindovskaya (Linda) geese reared under breeder conditions

Sarı¹,

Buğdayci²,

Akbaş³

et al. 2019

Turk J Vet Anim Sci

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“…The shell was differentiated according to the egg parts and it was observed that there was a thickening from Blunt end to Sharp end as reported previously (Balkan and Biricik 2006, Fiialovych and Kyryliv 2016, Zhang et al 2017. The difference between parts in this study was found to be much A Study on the Effect of Altitude on Shell Thickness in Goose Eggs more distinctive than the earlier studies (p<0.001).…”

Section: Resultssupporting

confidence: 83%

“…The egg shell is not in the same thickness in all areas of the egg and generally shows thickening from blunt to sharp end. In their study on goose eggs, Zhang et al (2017) measured the blunt end as 0.479 mm, equatorial 0.510 mm and the sharp end 0.510 mm. Fiialovych and Kyryliv (2016) found the blunt end as 0.52 and the sharp end as 0.53 mm.…”

Section: Introductionmentioning

confidence: 99%

A Study on the Effect of Altitude on Shell Thickness in Goose Eggs

Karabulut¹

2021

IJAR

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Backround: Egg shell plays role in the respiration, regulation of humidity, protection against diseases and integrity of egg. Therefore thickness of egg shell is an important feature. Many factors contribute to the formation of the shell thickness. The effect of altitude is still the subject of research.Methods: 103 eggs were randomly collected from locations at 915 m, 920 m, 931 m, 935 m, 939 m, 960 m, 968 m, 995 m, 1150 m and 1.350 m altitudes laid out between Tuz Lake and Hasan Mountain and the thickness of the shell at the Blunt end, Equatorial part and Sharp end of the eggs were measured. Conclusion: The average thickness of the shell at the blunt end, equatorial part and sharp end were 0.54 mm, 0.58 mm and 0.60 mm respectively. These differences were statistically significant. When considering the effect of altitude on these three points and general egg thickness, the average values for general thickness varied from 0.53 mm to 0.60 mm, this was 0.51 mm - 0.56 mm for blunt end, 0.53 mm to 0.61 mm for equatorial part and 0.54 mm to 0.62 mm for sharp end. The differences according to altitude noted among equatorial part and sharp end were statistically significant. The correlations between the altitude with Blunt end, Equatorial part, Sharp end and General were insignificant. The results indicated that these altitudes had no obvious effect on eggshell thickness and that the difference detected in thickness could be caused by other factors that are ought to be determined by further studies.

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“…Comparatively, goose eggs present higher breaking strength (74.17-105.32 N); however, they are larger than turkey eggs, with average length of 78.26 mm and width of 53.62 mm (Zhang et al, 2017). Nedomova et al (2014) also reported higher breaking strength in goose eggs (63.80-101.92 N) loaded at the same compression speed of 0.33 mm s -1 as in the present study.…”

Section: Some Physical Morphological and Mechanical Characteristicssupporting

confidence: 51%

Some Physical, Morphological, and Mechanical Characteristics of Turkey (Meleagris gallopavo) Eggs

Galić

Pliestić

Janječić

et al. 2018

Braz. J. Poult. Sci.

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, respectively. Eggs collected during second laying cycle were, on average, larger and heavier in comparison with those collected during first cycle. Average albumen, yolk and eggshell percentages of the eggs collected during two laying cycles were 58.11%, 29.50% and 12.39%, respectively. The highest breaking strength was obtained when the eggs were loaded along the X-front axis and the least breaking strength was required along the Z-axis. The average breaking strength, absorbed energy and firmness in loading along the X-front axis were found to be 73.80 N, 9.75 N mm and 280.30 N mm -1 , respectively.

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Experimental Study on the Geometrical and Mechanical Properties of Goose Eggshells

Cited by 23 publications

References 11 publications

The effect of laying period on egg quality traits and chemical composition of Lindovskaya (Linda) geese reared under breeder conditions

The effect of laying period on egg quality traits and chemical composition of Lindovskaya (Linda) geese reared under breeder conditions

A Study on the Effect of Altitude on Shell Thickness in Goose Eggs

Some Physical, Morphological, and Mechanical Characteristics of Turkey (Meleagris gallopavo) Eggs

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