光照时间、光照强度和光照颜色对家兔繁殖性能的影响

IF 0.8 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE World Rabbit Science Pub Date : 2021-03-31 DOI:10.4995/WRS.2021.14623
Yingjie Wu, Ang Zhao, Yinghe Qin
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引用次数: 1

摘要

为了建立一个适合华东地区养兔场的光照制度,分别通过三个实验评估了光照时间、光照强度和光照颜色对兔繁殖性能的影响。在实验1中,dos暴露于不同的光照时间表:16L:8D连续,16L:8D-18d(人工授精前6d至人工授精后12D),16L:8D-6d(人工授精后6d至AI日)和12L:12D连续。在实验2中,do暴露于不同的光强度:40lx、60lx、80lx和120lx。在实验3中,dos暴露于不同的光照颜色:白色、黄色、蓝色和红色。所有实验都计算了受孕率、点燃率和断奶前死亡率;记录出生时的产仔数、出生时的幼仔数、断奶时的幼崽数、断奶后的幼崽重和断奶时的单个试剂盒重量。结果表明,与16L:8D连续照射组相比,16L:8D-18d光照对do的生殖参数均无影响(P>0.05)。此外,在80lx光照和120lx光照下,家兔的受孕率、点燃率、出生时产仔数(总产仔数和活产仔数)和出生时产窝重(P>0.05)均优于80lx光照射组,60lx和80lx的光照有利于断奶时的窝重。此外,与白光相比,红光具有积极的作用,因为它导致断奶时的产仔数和产仔重更大,断奶前的死亡率更低(P<0.05)。总之,根据我们的结果,建议在人工智能前6天至人工智能后12天使用16L:8D光周期,80 lx红光。
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Effect of lighting schedule, intensity, and colour on reproductive performance of rabbit does
In order to establish a lighting regime suitable for rabbit farms in East China, the effects of lighting schedule, intensity and colour on the reproductive performance of rabbit does were evaluated by three experiments, respectively. In experiment 1, does were exposed to different lighting schedules: 16L:8D-continuous, 16L:8D-18d (6 d before artificial insemination (AI) to 12 d post-AI), 16L:8D-6d (6 d before AI to the day of AI) and 12L:12D-continuous. In experiment 2, does were exposed to different light intensities: 40 lx, 60 lx, 80 lx and 120 lx. In experiment 3, does were exposed to different light colours: white, yellow, blue and red. For all experiments, conception rate, kindling rate and pre-weaning mortality were calculated; litter size at birth, litter weight at birth, litter size at weaning, litter weight at weaning and individual kit weight at weaning were recorded. Results showed that none of the reproductive parameters of does were affected by the application of 16L:8D-18d lighting schedule compared with the continuous 16L:8D group (P>0.05). Moreover, rabbits does exposed to 80 lx light performed as well as those under 120 lx light in conception rate, kindling rate, litter size (total and alive) at birth and litter weight at birth (P>0.05). Furthermore, the exposures of 60 lx and 80 lx light were beneficial for litter weight at weaning. In addition, red light had a positive effect, as it led to a larger litter size and litter weight at weaning and lower pre-weaning mortality than white light (P<0.05). In summary, a 16L:8D photoperiod with 80 lx red light from 6 d before AI to 12 d post-AI is recommended for use in breeding of rabbit does according to our results.
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来源期刊
World Rabbit Science
World Rabbit Science 农林科学-奶制品与动物科学
CiteScore
1.70
自引率
25.00%
发文量
22
审稿时长
>36 weeks
期刊介绍: World Rabbit Science is the official journal of the World Rabbit Science Association (WRSA). One of the main objectives of the WRSA is to encourage communication and collaboration among individuals and organisations associated with rabbit production and rabbit science in general. Subject areas include breeding, genetics, production, management, environment, health, nutrition, physiology, reproduction, behaviour, welfare, immunology, molecular biology, metabolism, processing and products. World Rabbit Science is the only international peer-reviewed journal included in the ISI Thomson list dedicated to publish original research in the field of rabbit science. Papers or reviews of the literature submitted to World Rabbit Science must not have been published previously in an international refereed scientific journal. Previous presentations at a scientific meeting, field day reports or similar documents can be published in World Rabbit Science, but they will be also subjected to the peer-review process. World Rabbit Science will publish papers of international relevance including original research articles, descriptions of novel techniques, contemporaryreviews and meta-analyses. Short communications will only accepted in special cases where, in the Editor''s judgement, the contents are exceptionally exciting, novel or timely. Proceedings of rabbit scientific meetings and conference reports will be considered for special issues. World Rabbit Science is published in English four times a year in a single volume. Authors may publish in World Rabbit Science regardless of the membership in the World Rabbit Science Association, even if joining the WRSA is encouraged. Views expressed in papers published in World Rabbit Science represent the opinion of the author(s) and do not necessarily reflect the official policy of the WRSA or the Editor-in-Chief.
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