智能碳纤维加热器对猪行为、生产性能和能耗的影响

IF 1.4 4区 农林科学 Q3 AGRICULTURAL ENGINEERING Transactions of the ASABE Pub Date : 2021-01-01 DOI:10.13031/TRANS.14104
Li Xiusong, Zhangying Ye, Guo-Qun Li, Pan Shen, Songming Zhu, Zhao Shiguang, Dezhao Liu, Zhang Jie, Shen Zhongyin, Gao Weiwei
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引用次数: 5

摘要

智能碳纤维加热器(ICFH)增加了母猪将乳房暴露在加热区域的倾向。在出生后的第一周内,与使用白炽灯的仔猪相比,使用ICFH的仔猪使用加热区域的频率更高,并且在靠近母猪的区域停留的时间更少。ICFH有助于降低仔猪破碎率。与ihl相比,使用ICFH的产房可以节省40.6%的用电量。目前中国用于仔猪的加热系统(主要是白炽灯)耗能大、易碎且寿命短。为了克服这些缺点,本研究的目标是(1)开发一种智能碳纤维加热器(ICFH),(2)进行现场实验来评估所开发的加热器的性能。ICFH主要由智能控制单元、碳纤维管和加热器盖组成。3个产猪舍分别设置ICFH、ICFHL加光照(ICFHL)和IHL 3个处理。在两个完整的分娩批次中记录猪的行为、生产性能和用电量。结果表明:ICFH和ICFHL处理母猪乳房朝向加热区的次数高于背部(p < 0.01);ICFH和ICFHL组1 ~ 3日龄仔猪在加热区停留时间提高了>4.3% (p < 0.01)。1 ~ 3日龄IHL处理仔猪在母猪0.08 m范围内的比例最高(p < 0.01),第3天以后各处理仔猪比例基本一致(p = 0.45)。ICFH和ICFHL处理仔猪破碎率降低>2.2% (p < 0.01),日增重差异不显著(p = 0.16)。使用ICFH和ICFHL可以减少40.6%的用电量。研究结果表明,该加热器有利于提高猪的热舒适性,提高猪的产量,节约能源。关键词:自动传感器技术,碳纤维加热器,仔猪破碎,PLF
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Effects of Intelligent Carbon Fiber Heater on Pig Behavior, Production Performance, and Energy Consumption
HighlightsIntelligent carbon fiber heaters (ICFH) increased the tendency of sows to expose their udders toward the heating area.During the first week after birth, piglets with ICFH used the heating area more frequently and spent less time in the areas close to sows than piglets with incandescent heat lamps (IHL).ICFH helped to reduce the piglet crushing rate.Farrowing houses with ICFH can save 40.6% of the electricity usage compared to IHL.Abstract. Current Chinese heating systems (primarily incandescent heat lamps, IHL) for piglets are energy-consuming, fragile, and short-lived. To overcome these disadvantages, the objectives of this study were to (1) develop an intelligent carbon fiber heater (ICFH) and (2) conduct field experiments to evaluate the performance of the developed heater. The ICFH mainly consisted of an intelligent control unit, a carbon fiber tube, and a heater cover. Three treatments, i.e., ICFH, ICFH with light (ICFHL), and IHL, were respectively assigned to three farrowing pig houses. Pig behaviors, production performance, and electricity usage were recorded in two complete farrowing batches. The results showed that the sows in the ICFH and ICFHL treatments exposed their udders toward the heating area more often than their backs (p < 0.01). Piglets at 1 to 3 days of age in the ICFH and ICFHL treatments increased their time in the heating area by >4.3% (p < 0.01). The proportion of piglets within 0.08 m of the sows was highest for the IHL treatment during 1 to 3 days of age (p < 0.01) but similar among the treatments after day 3 (p = 0.45). The piglet crushing rate in the ICFH and ICFHL treatments was reduced by >2.2% (p < 0.01), while daily weight gain was not significantly different among the treatments (p = 0.16). Using ICFH and ICFHL can reduce electricity usage by 40.6%. It is concluded that the newly developed heater is beneficial for pig thermal comfort, production, and energy savings. Keywords: Automatic sensor technology, Carbon fiber heater, Piglet crushing, PLF.
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来源期刊
Transactions of the ASABE
Transactions of the ASABE AGRICULTURAL ENGINEERING-
CiteScore
2.30
自引率
0.00%
发文量
0
审稿时长
6 months
期刊介绍: This peer-reviewed journal publishes research that advances the engineering of agricultural, food, and biological systems. Submissions must include original data, analysis or design, or synthesis of existing information; research information for the improvement of education, design, construction, or manufacturing practice; or significant and convincing evidence that confirms and strengthens the findings of others or that revises ideas or challenges accepted theory.
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