Daylength and its impact on turkey welfare and productivity
日长及其对火鸡福利和生产力的影响
基本信息
- 批准号:429219-2011
- 负责人:
- 金额:$ 0.54万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Collaborative Research and Development Grants
- 财政年份:2014
- 资助国家:加拿大
- 起止时间:2014-01-01 至 2015-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Daylength plays can play an important role in poultry production, but research on turkeys is not adequate and therefore not predictive of optimum levels required by modern genotypes. Research at the University of Saskatchewan has established the importance and impact of daylength on the performance and welfare of broiler chickens. In turn, this information permitted standards to be set by industry and government that meet the bird's requirements and improve both welfare and productivity. Although biologically similar, turkeys are a different genus and species and have a different production lifespan. Therefore the results in broiler chickens may not hold true in turkeys. For instance, our research demonstrates a significant impact of daylength on welfare in the short life cycle (31 to 49 days) of broiler chickens and it can be predicted that the detrimental impact of improper daylength use on turkeys, which are kept much longer (12 to 20 weeks), could be significantly larger. Therefore, the objective of this work is to determine the impact of daylength on turkey welfare and productivity. To allow us to do this, graded levels of daylength (14L:10D, 17L:7D, 20L:4D and 23L:1D) will be used to establish response curves for all variables measured. To help answer the questions of welfare and productivity, response criteria will include growth rate (productivity measure but may also give us clues regarding welfare), feed intake, feed efficiency, mortality (important for both productivity and welfare determination), the causes of mortality (each bird that is culled or dies will be posted for cause of death), mobility within the flock (productivity, welfare - measured by gait score), behavioural output, behavioural rhythms, physiological rhythms (melatonin), ocular size and weight, and eye health. A total of 2 room replications per experiment for lighting program will be included (sex separate penning within each room), and the experiment will be completed twice to allow appropriate replication. This research should permit industry and government to set appropriate daylength standards for turkey production in Canada and elsewhere in the world.
日长在家禽生产中可以发挥重要作用,但对火鸡的研究还不够充分,因此不能预测现代基因型别所需的最佳水平。萨斯喀彻温大学的研究已经确定了日长对肉鸡的性能和福利的重要性和影响。反过来,这些信息允许行业和政府制定符合鸟类要求的标准,并提高福利和生产率。虽然在生物学上相似,但火鸡是一个不同的属和物种,有不同的生产寿命。因此,在肉鸡身上的结果可能不适用于火鸡。例如,我们的研究表明,在肉鸡的短生命周期(31至49天)中,日长对福利有显著影响,可以预测,不适当的日长使用对保存更长时间(12至20周)的火鸡的有害影响可能要大得多。因此,这项工作的目的是确定日长对火鸡福利和生产力的影响。为了使我们能够做到这一点,我们将使用日长的分级水平(14L:10D、17L:7D、20L:4D和23L:1D)来建立所有测量变量的响应曲线。为了帮助回答福利和生产力的问题,响应标准将包括增长率(生产力衡量,但也可能为我们提供有关福利的线索)、采食量、饲料效率、死亡率(对生产力和福利决定都很重要)、死亡原因(每只被扑杀或死亡的鸟都将被公布为死因)、群内的流动性(生产力、福利--通过步态得分衡量)、行为产出、行为节律、生理节律(褪黑素)、眼睛大小和体重以及眼睛健康。每个照明方案的实验将包括两个房间的复制(每个房间内的性别分开围栏),实验将完成两次,以允许适当的复制。这项研究应该允许行业和政府为加拿大和世界其他地方的火鸡生产设定适当的日长标准。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Classen, Henry其他文献
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{{ truncateString('Classen, Henry', 18)}}的其他基金
NSERC Industrial Research Chair in Poultry Nutrition
NSERC 家禽营养工业研究主席
- 批准号:
452665-2012 - 财政年份:2017
- 资助金额:
$ 0.54万 - 项目类别:
Industrial Research Chairs
NSERC Industrial Research Chair in Poultry Nutrition
NSERC 家禽营养工业研究主席
- 批准号:
452665-2012 - 财政年份:2016
- 资助金额:
$ 0.54万 - 项目类别:
Industrial Research Chairs
NSERC Industrial Research Chair in Poultry Nutrition
NSERC 家禽营养工业研究主席
- 批准号:
452665-2012 - 财政年份:2015
- 资助金额:
$ 0.54万 - 项目类别:
Industrial Research Chairs
NSERC Industrial Research Chair in Poultry Nutrition
NSERC 家禽营养工业研究主席
- 批准号:
452665-2012 - 财政年份:2014
- 资助金额:
$ 0.54万 - 项目类别:
Industrial Research Chairs
NSERC Industrial Research Chair in Poultry Nutrition
NSERC 家禽营养工业研究主席
- 批准号:
452665-2012 - 财政年份:2013
- 资助金额:
$ 0.54万 - 项目类别:
Industrial Research Chairs
Daylength and its impact on turkey welfare and productivity
日长及其对火鸡福利和生产力的影响
- 批准号:
429219-2011 - 财政年份:2013
- 资助金额:
$ 0.54万 - 项目类别:
Collaborative Research and Development Grants
Daylength and its impact on turkey welfare and productivity
日长及其对火鸡福利和生产力的影响
- 批准号:
429219-2011 - 财政年份:2012
- 资助金额:
$ 0.54万 - 项目类别:
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Improving welfare for beak trimmed hens through reducing variability and technology transfer
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349726-2006 - 财政年份:2009
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Effect of lighting programs on leg weakness and bird welfare in modern commercial broilers
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349732-2006 - 财政年份:2009
- 资助金额:
$ 0.54万 - 项目类别:
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Effect of lighting programs on leg weakness and bird welfare in modern commercial broilers
照明程序对现代商业肉鸡腿部无力和鸡只福利的影响
- 批准号:
349732-2006 - 财政年份:2008
- 资助金额:
$ 0.54万 - 项目类别:
Collaborative Research and Development Grants
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