CHANGES IN EXTERNAL EGG TRAITS OF CHICKENS DURING PRE- AND POST-MOLTING PERIODS

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AZIZ S.R.; SHAKER A.S.; KIRKUKI S.M.S.

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Journal: POULTRY SCIENCE JOURNAL Year:2017 | Volume:5 | Issue:2 Page(s): 91-95

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Information Journal Paper

Title

CHANGES IN EXTERNAL EGG TRAITS OF CHICKENS DURING PRE- AND POST-MOLTING PERIODS

Author(s)

AZIZ S.R. | SHAKER A.S. | KIRKUKI S.M.S. | Issue Writer Certificate

Keywords

LOCAL CHICKEN

NATURAL MOLTING

EGG EXTERNAL TRAIT

Abstract

481 fresh fertilized eggs of three Kurdish LOCAL CHICKENs (Black with brown neck, White with shank feathering, and White with nonfeathering shank) were collected at pre-molting (355 eggs) and postmolting (126 eggs) stages to evaluate external egg traits. A venine caliper was used to determine the length and breadth of eggs to calculate Shape index. Results indicated that egg weight increased in all genetic groups (P<0.05) at post-molting stage compared with premolting stage. There was a significant difference in egg length between pre- and post-molting periods from the black chicken with brown neck and white chicken with shank feather, but not from the white chicken with non-feathering shank. Also, egg breadth was similar between preand post-molting periods from black with brown neck and white with shank feather, but was different from white with non-feathering shank.Shape index was also similar between pre- and post-molting periods for white with shank feather, but were significantly different (P<0.05) for black with brown neck and white with non-feathering shank. The results of this study indicate that EGG EXTERNAL TRAITs improved during post-molting period than pre-molting, and variations between egg layers for external traits could be due to the genetic makeup.

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APA: Copy

AZIZ, S.R., SHAKER, A.S., & KIRKUKI, S.M.S.. (2017). CHANGES IN EXTERNAL EGG TRAITS OF CHICKENS DURING PRE- AND POST-MOLTING PERIODS. POULTRY SCIENCE JOURNAL, 5(2), 91-95. SID. https://sid.ir/paper/265783/en

Vancouver: Copy

AZIZ S.R., SHAKER A.S., KIRKUKI S.M.S.. CHANGES IN EXTERNAL EGG TRAITS OF CHICKENS DURING PRE- AND POST-MOLTING PERIODS. POULTRY SCIENCE JOURNAL[Internet]. 2017;5(2):91-95. Available from: https://sid.ir/paper/265783/en

IEEE: Copy

S.R. AZIZ, A.S. SHAKER, and S.M.S. KIRKUKI, “CHANGES IN EXTERNAL EGG TRAITS OF CHICKENS DURING PRE- AND POST-MOLTING PERIODS,” POULTRY SCIENCE JOURNAL, vol. 5, no. 2, pp. 91–95, 2017, [Online]. Available: https://sid.ir/paper/265783/en

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