Causes of fertile eggs rejection in hatchery of Namin City, Ardabil Province, Iran

Azizpour, Aidin and Saeidi Namin, Vahid (2017) Causes of fertile eggs rejection in hatchery of Namin City, Ardabil Province, Iran. In: 1st International and 5th National Conference on Organic vs. Conventional Agriculture, 16-17 August 2017, Ardabil, Iran.

[img] Text
H-00034-AB-2.pdf

Download (583kB)
Official URL: http://www.uma.ac.ir

Abstract

Fertile eggs are not selected for hatchery, they are important for economic and public health. The aim of this study was to determine causes of fertile eggs rejection in hatchery of Namin City, northeastern from Ardabil province of Iran from March 2016 to September 2016. The data were collected by frequent reference to the hatchery, recorded total of fertile eggs and hatched eggs, and unhatched eggs were investigated carefully. Abnormalities were identified and classified, and then the prevalence of each abnormality in total discarded eggs was determined. In this period, 2402605 fertile eggs were examined which 2339619 eggs were hatched. While 30001 eggs (1.248 %) were unhatched and discarded for abnormalities. 37.80% of discarded eggs detected in spring and 62.20% in the summer. Egg shell abnormalities were divided into 12 classes, including: cracked shells (32.03%), malformed shells (21.02%), very large size eggs (13.04%), broken shells (11.56%), very small eggs (6.50%), dirty shells (5.47%), thin shells (3.46%), bloody shells (2.55%), acuticular shells (1.74%), wrinkled (corrugated) shells (1.39%), calcium splash (chalky deposit) (0.78%) and paled egg shells (0.39%). According to the results of this study, cracked shells and malformed shells by 53.05% and 0.661% from total of condemned eggs and fertile eggs were the most common abnormalities. The results of this study showed that age of flocks and heat stress were the most significant causes of egg abnormalities

Item Type: Conference or Workshop Item (Poster)
Persian Title: علل حذف تخم مرغ¬های نطفه دار در کارخانه جوجه کشی شهرستان نمین، استان اردبیل
Persian Abstract: تخم مرغهای نطفه داری که به هر عللی برای جوجه کشی انتخاب نمی شوند، از لحاظ اقتصادی و بهداشت عمومی حایز اهمیت فراوانی است. هدف از این مطالعه تعیین علل حذف تخم مرغ های نطفه دار در کارخانه جوجه کشی شهرستان نمین، استان اردبیل طی مدت شش ماه اول سال 1395 می باشد. با مراجعه مكرر به کارخانه جوجه کشی، كل ميزان تخم مرغ های ارسالی و قابل جوجه کشی از مزارع مرغ مادر گوشتی ثبت و تخم مرغ های حذفی به دقت مورد بررسی قرار گرفتند. از تعداد 2402605 عدد تخم مرغ مورد بررسی در طی این مدت، تعداد 2339619 تخم مرغ قابل جوجه کشی بودند، درحالیکه تعداد 30001 تخم مرغ با 248/1% در اثر ناهنجاری های پوسته حذف شدند. 12 نوع ناهنجاری براي تخم مرغ های حذفی شناسايي گرديد که بیشترین ناهنجاری ها مربوط به تخم مرغهای ترک خورده و تخم مرغهای بد شکل می باشد كه میزان 05/53 درصد و 661/0 درصد به ترتیب از كل مرغهای حذفي و تخم مرغهای ارسالی را تشکیل می دهند. نتایج این مطالعه نشان داد که عمده ترین عوامل تاثیر گذار در بروز ناهنجاری های تخم مرغ استرس گرمایی و سن گله ها می باشد.
Subjects: Divisions > Conferences > 1st International and 5th National Conference on Organic vs. Conventional Agriculture, 16-17 August 2017
Conferences > 1st International and 5th National Conference on Organic vs. Conventional Agriculture, 16-17 August 2017
Divisions: Conferences > 1st International and 5th National Conference on Organic vs. Conventional Agriculture, 16-17 August 2017
Subjects > Conferences > 1st International and 5th National Conference on Organic vs. Conventional Agriculture, 16-17 August 2017
Date Deposited: 30 Nov 2018 18:38
Last Modified: 30 Nov 2018 18:38
URI: http://repository.uma.ac.ir/id/eprint/4098

Actions (login required)

View Item View Item