Year 2019, Volume 25, Issue 2, Pages 181 - 188 2019-06-05

Comparisons of Physical and Chemical Characteristics of Eggs Obtained using Hens Reared in Deep Litter and Free-Range Systems

İsmail Türker [1] , Sezai Alkan [2]

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This study was designed to compare the physical and chemical qualities of eggs obtained using hens reared in free-range and deep-litter systems. A total of 300 Lohmann Brown hens (150 for each housing system) were used. In the free-range system, 4 m2 grazing area was allocated for each hen. The hens were taken into layer house at 16 weeks of age. Hen egg production reached up to 50%, produced eggs were randomly sampled once every 4 weeks until 52 weeks of age and physical characteristics of eggs from each housing system were measured. Results revealed that there was no significant difference in egg shell color, egg weight, breaking strength, shell thickness, shape index, specific gravity, yolk color, albumen index, haugh unit, meat and blood spots of eggs from two housing systems. However, there was a significant difference in yolk index. It was determined that housing systems effected the chemical content of the egg and the eggs obtained from free-range system were significantly richer in essential amino acids, vitamin D3 and biotin.

Hens, Free range system, Deep-litter systems, Egg quality
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Primary Language en
Subjects Science
Journal Section Makaleler
Authors

Author: İsmail Türker (Primary Author)
Country: Turkey


Author: Sezai Alkan

Bibtex @research article { ankutbd378578, journal = {Journal of Agricultural Sciences}, issn = {}, eissn = {2148-9297}, address = {Ankara University}, year = {2019}, volume = {25}, pages = {181 - 188}, doi = {10.15832/ankutbd.378578}, title = {Comparisons of Physical and Chemical Characteristics of Eggs Obtained using Hens Reared in Deep Litter and Free-Range Systems}, key = {cite}, author = {Türker, İsmail and Alkan, Sezai} }
APA Türker, İ , Alkan, S . (2019). Comparisons of Physical and Chemical Characteristics of Eggs Obtained using Hens Reared in Deep Litter and Free-Range Systems. Journal of Agricultural Sciences, 25 (2), 181-188. DOI: 10.15832/ankutbd.378578
MLA Türker, İ , Alkan, S . "Comparisons of Physical and Chemical Characteristics of Eggs Obtained using Hens Reared in Deep Litter and Free-Range Systems". Journal of Agricultural Sciences 25 (2019): 181-188 <http://dergipark.org.tr/ankutbd/issue/45612/378578>
Chicago Türker, İ , Alkan, S . "Comparisons of Physical and Chemical Characteristics of Eggs Obtained using Hens Reared in Deep Litter and Free-Range Systems". Journal of Agricultural Sciences 25 (2019): 181-188
RIS TY - JOUR T1 - Comparisons of Physical and Chemical Characteristics of Eggs Obtained using Hens Reared in Deep Litter and Free-Range Systems AU - İsmail Türker , Sezai Alkan Y1 - 2019 PY - 2019 N1 - doi: 10.15832/ankutbd.378578 DO - 10.15832/ankutbd.378578 T2 - Journal of Agricultural Sciences JF - Journal JO - JOR SP - 181 EP - 188 VL - 25 IS - 2 SN - -2148-9297 M3 - doi: 10.15832/ankutbd.378578 UR - https://doi.org/10.15832/ankutbd.378578 Y2 - 2018 ER -
EndNote %0 Journal of Agricultural Sciences Comparisons of Physical and Chemical Characteristics of Eggs Obtained using Hens Reared in Deep Litter and Free-Range Systems %A İsmail Türker , Sezai Alkan %T Comparisons of Physical and Chemical Characteristics of Eggs Obtained using Hens Reared in Deep Litter and Free-Range Systems %D 2019 %J Journal of Agricultural Sciences %P -2148-9297 %V 25 %N 2 %R doi: 10.15832/ankutbd.378578 %U 10.15832/ankutbd.378578
ISNAD Türker, İsmail , Alkan, Sezai . "Comparisons of Physical and Chemical Characteristics of Eggs Obtained using Hens Reared in Deep Litter and Free-Range Systems". Journal of Agricultural Sciences 25 / 2 (June 2019): 181-188. https://doi.org/10.15832/ankutbd.378578