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产床布局和保温灯数量对母猪和仔猪生产性能的影响

Effects of Farrowing Stall Layout and Number of Heat Lamps on Sow and Piglet Production Performance.

作者信息

Leonard Suzanne M, Xin Hongwei, Brown-Brandl Tami M, Ramirez Brett C, Dutta Somak, Rohrer Gary A

机构信息

Department of Agricultural and Biosystems Engineering, Iowa State University, Ames, IA 50011, USA.

UT AgResearch, University of Tennessee, Knoxville, TN 37996, USA.

出版信息

Animals (Basel). 2020 Feb 22;10(2):348. doi: 10.3390/ani10020348.

DOI:10.3390/ani10020348
PMID:32098313
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7070535/
Abstract

Most farrowing facilities in the United States use stalls and heat lamps to improve sow and piglet productivity. This study investigated these factors by comparing production outcomes for three different farrowing stall layouts (traditional, expanded creep area, expanded sow area) and use of one or two heat lamps. Data were collected on 427 sows and their litters over one year. Results showed no statistical differences due to experimental treatment for any of the production metrics recorded, excluding percent stillborn. Parity one sows had fewer piglets born alive ( < 0.001), lower percent mortality ( 0.001) and over-lay ( 0.003), and a greater number of piglets weaned ( 0.001) with lower average daily weight gain (ADG) ( 0.001) and more uniform litters ( 0.001) as compared to higher parity sows. Farrowing turn, associated with group/seasonal changes, had a significant impact on most of the production metrics measured. Number of piglets born influenced the percent stillborn ( 0.001). Adjusted litter size had a significant impact on percent mortality ( 0.001), percent over-lay ( 0.001), and number of piglets weaned ( 0.001). As the number of piglets weaned per litter increased, both piglet ADG and litter uniformity decreased ( 0.001). This information can be used to guide producers in farrowing facility design.

摘要

美国大多数产仔设施都使用限位栏和加热灯来提高母猪和仔猪的生产性能。本研究通过比较三种不同产仔限位栏布局（传统型、扩大的保育区、扩大的母猪区）以及使用一盏或两盏加热灯的生产结果，对这些因素进行了调查。在一年时间里收集了427头母猪及其仔猪的数据。结果显示，在所记录的任何生产指标中，除死胎百分比外，实验处理均无统计学差异。与较高胎次的母猪相比，头胎母猪产活仔数较少（<0.001），死亡率（0.001）和压死率（0.003）较低，断奶仔猪数较多（0.001），平均日增重（ADG）较低（0.001），仔猪均匀度较高（0.001）。与群体/季节变化相关的产仔周转对所测量的大多数生产指标有显著影响。产仔数影响死胎百分比（0.001）。调整后的窝仔数对死亡率百分比（0.001）、压死率百分比（0.001）和断奶仔猪数（0.001）有显著影响。随着每窝断奶仔猪数的增加，仔猪ADG和窝仔均匀度均下降（0.001）。这些信息可用于指导生产者进行产仔设施设计。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/e39388671b98/animals-10-00348-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/4e083766e34b/animals-10-00348-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/0972aebdc512/animals-10-00348-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/cfaece4bda43/animals-10-00348-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/621ea7b4d908/animals-10-00348-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/672547ee8d6c/animals-10-00348-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/1f3cfea9978e/animals-10-00348-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/d40ebab86e9b/animals-10-00348-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/e39388671b98/animals-10-00348-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/4e083766e34b/animals-10-00348-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/0972aebdc512/animals-10-00348-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/cfaece4bda43/animals-10-00348-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/621ea7b4d908/animals-10-00348-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/672547ee8d6c/animals-10-00348-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/1f3cfea9978e/animals-10-00348-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/d40ebab86e9b/animals-10-00348-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1a8/7070535/e39388671b98/animals-10-00348-g008.jpg

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