Assessment of reproductive and growth performance of pigs on commercial swine farms in southern Kyushu, Japan

The objective of the present study was to assess the productivity of pigs to investigate the time‐dependent change in productivity and compare productivity according to breeding company group and porcine reproductive and respiratory syndrome (PRRS) status on commercial swine farms in southern Kyushu...

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Bibliographic Details
Published in:Animal science journal 2020-01, Vol.91 (1), p.e13492-n/a
Main Authors: Sasaki, Yosuke, Kawabata, Tadahiro, Nakatake, Shingo, Kohigashi, Tomoya, Toya, Ryohei, Uemura, Ryoko, Sueyoshi, Masuo
Format: Article
Language:English
Subjects:
Agriculture - economics
Agriculture - statistics & numerical data
Animal diseases
Animal husbandry
Animals
Breeding
Breeding - economics
Breeding - statistics & numerical data
commercial farm
Efficiency
Farms
Farms - economics
Farms - statistics & numerical data
Female
growth performance
Hogs
Japan - epidemiology
Litter size
Livestock breeding
Physical growth
Porcine Reproductive and Respiratory Syndrome - epidemiology
Pregnancy
Productivity
Reproduction
reproductive performance
sows
Swine
Swine - growth & development
Swine - physiology
Time Factors
Weaning
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Summary:The objective of the present study was to assess the productivity of pigs to investigate the time‐dependent change in productivity and compare productivity according to breeding company group and porcine reproductive and respiratory syndrome (PRRS) status on commercial swine farms in southern Kyushu, Japan. Data used in the present study were 245 annual productivity records from 2014 to 2018 obtained from 72 farms. Average sow inventory was 481.2 sows. Mean numbers of pigs weaned per sow per year and market pigs sold per sow per year were 23.7 and 21.6, respectively. Pigs born alive per litter increased from 11.1 to 11.9 pigs from 2014 to 2018 (p 
ISSN:1344-3941
1740-0929
DOI:10.1111/asj.13492