公鸡的叫声和存在对名古屋产蛋鸡孵卵行为的影响

IF 1.8 4区 农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Journal of Poultry Science Pub Date : 2023-12-21 eCollection Date: 2023-01-01 DOI:10.2141/jpsa.2023030
Akihiro Nakamura, Keizou Kobayashi, Hiromitsu Miyakawa, Norio Kansaku
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引用次数: 0

摘要

日本名古屋鸡种的孵化行为是一个商业问题,因为它经常导致产蛋量突然急剧下降。本研究调查了名古屋产蛋鸡的孵化行为发生率是否与叫声和同一产蛋舍内是否有公鸡有关。使用商品蛋鸡名古屋蛋鸡进行了四次实验,改变了实验鸡的孵化时间和公鸡在场时的处理顺序。 在实验 1 中,公鸡在场时孵化行为的比例(51.3%)高于公鸡不在场时(15.9%)或只有公鸡鸣叫时(23.8%)。在实验 2、3 和 4 中,有公鸡在场时的孵化行为比例(分别为 47.3%、33.3% 和 37.9%)高于没有公鸡在场时的孵化行为比例(分别为 33.3%、17.4% 和 25.6%)。在所有实验中,即使有公鸡在场,在无公鸡在场时观察到的孵化母鸡中也有约 70% 表现出孵化行为。因此,公鸡的存在可能会增强名古屋产蛋鸡的孵蛋行为。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of the Calls and Presence of Roosters on Egg Incubation Behavior of Nagoya Laying Hens.

The incubation behavior of the Japanese Nagoya chicken breed is a commercial issue because it often causes a sudden and sharp drop in egg production. In this study, whether the incidence of incubation behavior in Nagoya laying hens was associated with calls and the presence of roosters in the same laying house was investigated. Four experiments were conducted using commercial layer-type Nagoya hens where the hatching time of the experimental birds and the treatment order in the presence of males were changed . In Experiment 1, the proportion of incubation behavior in the presence of roosters kept in another pen located between pen-rearing hens (51.3%) was higher than that in their absence (15.9%) or with only rooster calls (23.8%). In Experiments 2, 3, and 4, the proportion of incubation behavior in the presence of roosters (47.3%, 33.3%, and 37.9%, respectively) was higher than that in their absence (33.3%, 17.4%, and 25.6%, respectively). In all experiments, approximately 70% of the incubating hens observed in the absence of roosters exhibited incubation behavior, even in the presence of roosters. Therefore, the presence of roosters may enhance egg incubation behavior in Nagoya laying hens.

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来源期刊
Journal of Poultry Science
Journal of Poultry Science AGRICULTURE, DAIRY & ANIMAL SCIENCE-
CiteScore
2.80
自引率
13.30%
发文量
26
审稿时长
12 months
期刊介绍: The Journal of Poultry Science will publish original reports and reviews which either make an original contribution to fundamental science or are of obvious application to the industry. Subjects which are covered include: breeding and genetics, nutrition and feeds, physiology, reproduction, immunology, behavior, environmental science, management and housing welfare, processing and products, and health in poultry. Submission of original articles to the Journal is open to all poultry researchers. The review articles are invited papers written by international outstanding researchers. Articles will be published in English, American style.
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