Year 2020, Volume 26 , Issue 2, Pages 246 - 253 2020-06-04

Eggshell Water Vapor Conductance and Shell Structural Characteristics of Broiler Breeder in Different Flock Ages

Ümran ŞAHAN [1] , Saliha SABAH [2] , Arda SÖZCÜ [3]

The aim of the study was to investigate eggshell traits; including eggshell water vapor conductance, eggshell thickness, pore density, egg weight loss as well as eggshell surface area and volume in 28 and 40 week-old broiler breeders. Furthermore, the phenotypic correlations among the eggshell characteristics were determined. The eggs were ranged from 54.41 g to 60.78 g and 54.71 g to 60.62 g in 28 and 40 wk-old age groups, respectively. All eggs were weighed and numbered before setting and were monitored individually until the end of the incubation. Mean eggshell water vapor conductance (G) value was 11.00±1.01 mg H2O day-1 torr-1 in 28 wk-old flock and 11.99±1.28 mg H2O day-1 torr-1 in 40 wk-old flock respectively (P<0.05). The mean value of shell thickness and pore density mean along with the two regions (broad end and equator) were higher and significant in 28 wk-old flock (P<0.01). Egg weight loss was not found to be significant. Surface area was higher in 40 wk-old flock while as volume was higher in 28 wk-old flocks (P<0.01). There was no correlation between eggshell thickness and pore density. Both eggshell thickness and pore density were having significant positive correlation along with three eggshell regions in each flock ages (P<0.01).

Water vapour conductance, eggshell thickness, pore density, correlation
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Primary Language en
Subjects Science
Journal Section Makaleler

Orcid: 0000-0002-4912-0551
Author: Ümran ŞAHAN (Primary Author)
Country: Turkey

Orcid: 0000-0003-4577-8054
Author: Saliha SABAH
Country: Turkey

Orcid: 0000-0002-0955-4371
Author: Arda SÖZCÜ
Country: Turkey


Application Date : October 16, 2018
Acceptance Date : March 25, 2019
Publication Date : June 4, 2020

EndNote %0 Journal of Agricultural Sciences Eggshell Water Vapor Conductance and Shell Structural Characteristics of Broiler Breeder in Different Flock Ages %A Ümran Şahan , Saliha Sabah , Arda Sözcü %T Eggshell Water Vapor Conductance and Shell Structural Characteristics of Broiler Breeder in Different Flock Ages %D 2020 %J Journal of Agricultural Sciences %P -2148-9297 %V 26 %N 2 %R doi: 10.15832/ankutbd.471225 %U 10.15832/ankutbd.471225