Impacts of storage period and egg weight on hatching and growth performance of growing Japanese quails.

Autor:	Abou-Kassem DE; Animal and Poultry Production Department, Faculty of Technology and Development, Zagazig University, Zagazig, Egypt., El-Sayiad GA; Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt., El-Samahy RA; Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt., Abd El-Hack ME; Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt., Taha AE; Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Behira, Rasheed, Edfina 22758, Egypt., Kamal M; Laboratory of Gastrointestinal Microbiology, National Center for International Research on Animal Gut Nutrition, Nanjing Agricultural University, Nanjing 210095, China; Animal Production Research Institute, Agricultural Research Center, Dokki, Giza 12618, Egypt., Alfassam HE; Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia., Rudayni HA; Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University, Riyadh 11623, Saudi Arabia., Allam AA; Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University, Riyadh 11623, Saudi Arabia; Department of Zoology, Faculty of Science, Beni-suef University, Beni-suef 65211 Egypt. Electronic address: allam@imamu.edu.sa., Moustafa M; Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia., Algopishi U; Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia., Ashour EA; Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt.
Jazyk:	angličtina
Zdroj:	Poultry science [Poult Sci] 2024 Jul; Vol. 103 (7), pp. 103772. Date of Electronic Publication: 2024 Apr 16.
DOI:	10.1016/j.psj.2024.103772
Abstrakt:	This investigation aimed to assess how Japanese quail hatchability, growth, and carcass traits were affected by quail egg weight, storage length, and their interactions. One thousand two hundred sixty eggs of the commercial Japanese quail were purchased, and the average age of the birds was 13 wk. Quail egg weights were divided into 3 groups using a 3 × 4 factorial design: small (< 11 g), medium (11-12 g), and large (> 12 g). Each group had four storage times (1, 4, 7, and 10 d) and held 105 eggs. The study used a storage room with 70% humidity and 18°C. There were 12 treatment groups. For the final 3 d of incubation, the eggs were positioned in a hatching machine after being incubated for 14 d at 37.6°C and 65% humidity. For the study, 540 one-day-old Japanese unsexed quail chicks were randomly chosen and placed in groups of 5 that resembled the distribution of eggs. Three duplicates (15 chicks each) made up each of the 4 storage periods that comprised the 180 birds. The findings showed that the percentage of hatchable eggs is significantly influenced by their weight and the length of storage; medium and heavy-weight eggs exhibited higher percentages of hatchability while holding for 7 to 10 d. However, no significant interaction was observed-additionally, heavy egg weight results in higher weight at different ages. Egg weight also significantly impacts chick weight at hatch, 3 wk, and 6 wk. Egg weight and storage time affect dressing and carcass measurement percentages. We can conclude that the best results in terms of hatch and post-hatch efficiency, as well as carcass characteristics, were obtained with medium or heavy quail eggs and storage times of either 1 d or 4 d. (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.)
Databáze:	MEDLINE
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