%0 Journal Article
%T 对龙山县预防母猪夏季热应激方案的研究
Research on the Prevention of Summer Heat Stress in Sows in Longshan County
%A 赵月君
%J Asian Case Reports in Veterinary Medicine
%P 1-8
%@ 2169-8902
%D 2025
%I Hans Publishing
%R 10.12677/acrpvm.2025.141001
%X 母猪夏季热应激的表现包括：采食量减少，免疫力下降，受胎率下降，产程延长，活仔数减少，流产比率增加，死胎和弱仔数增加等。湖南省龙山县2017~2019年调查繁殖母猪数20,595头，全年产程延长母猪数738头，夏季产程延长母猪423头，占全年产程延长母猪数的57.3%；全年产弱仔猪2667头，夏季产弱仔猪1342头，占全年产弱仔猪数的50.3%；全年流产母猪数196头，夏季流产母猪99头，占全年流产母猪数的50.5%；全年死胎母猪95头，夏季死胎母猪数50头，占全年死胎母猪数的52.6%。夏季母猪繁殖力下降占比在50%~57%之间，这是夏季热应激对母猪生产的影响造成的。龙山县2020年实施预防母猪夏季热应激方案后，夏季产程延长母猪数、产弱仔猪数、流产母猪数、死胎母猪数占比分别下降26.2%、20.7%、21.7%、23.2%，实施后全年产程延长母猪数占比2.40%，较实施前全年产程延长母猪数占比3.58%，下降了1.18个百分点。采取增加通风、隔热措施和使用湿帘风机设备降温、加强母猪的饲养管理和营养、使用中药、防止母猪便秘等预防母猪夏季热应激方案，把母猪夏季热应激的损失降到最低程度。
The manifestations of summer heat stress in sows include reduced feed intake, weakened immunity, decreased conception rate, prolonged labor, reduced number of live piglets, increased miscarriage rate, and increased number of stillbirths and weak piglets. From 2017 to 2019, a total of 20,595 breeding sows were surveyed in Longshan County, Hunan Province. Among them, 738 sows had extended delivery throughout the year, and 423 sows had extended delivery during summer, accounting for 57.3% of the total number of sows with extended delivery throughout the year; 2667 weak piglets were produced throughout the year, with 1342 weak piglets produced in summer, accounting for 50.3% of the total number of weak piglets produced throughout the year; there were 196 aborted sows throughout the year, with 99 aborted sows in summer, accounting for 50.5% of the total number of aborted sows throughout the year; there were 95 stillborn sows throughout the year, and 50 stillborn sows in summer, accounting for 52.6% of the total number of stillborn sows throughout the year. The proportion of decreased reproductive capacity of sows in summer is between 50%~57%, which is caused by the impact of summer heat stress on sow production. After the implementation of the summer heat stress prevention program for sows in Longshan County in 2020, the proportion of sows with extended summer delivery, weak piglets, miscarriage, and stillbirth decreased by 26.2%, 20.7%, 21.7%, and 23.2%, respectively. After implementation, the proportion of sows with extended summer delivery was 2.40%, a decrease of 1.18 percentage points compared to 3.58% before implementation; adopting measures such as increasing ventilation and insulation, using wet curtain fans to cool down, strengthening sow feeding management and nutrition, using traditional Chinese medicine, and preventing sow constipation to prevent summer heat stress in sows, and
%K 母猪夏季热应激，
%K 繁殖力下降，
%K 调查，
%K 评定指标，
%K 湿帘风机降温，
%K 预防方案
Summer Heat Stress in Sows
%K Decreased Reproductive Capacity
%K Investigation
%K Evaluation Indicators
%K Wet Curtain Fan Cooling
%K Prevention Plan
%U http://www.hanspub.org/journal/PaperInformation.aspx?PaperID=106124