24 results on '"Koketsu, Yuzo"'
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2. Incidences and risk factors for prolapse removal in Spanish sow herds
3. Abortion occurrence, repeatability and factors associated with abortions in female pigs in commercial herds
4. Number of pigs born alive in parity 1 sows associated with lifetime performance and removal hazard in high- or low-performing herds in Japan
5. Climatic factors associated with abortion occurrences in Japanese commercial pig herds
6. Climatic factors associated with peripartum pig deaths during hot and humid or cold seasons
7. Interactions between climatic and production factors on returns of female pigs to service during summer in Japanese commercial breeding herds
8. Delayed age of gilts at first mating associated with photoperiod and number of hot days in humid subtropical areas
9. Quantitative associations between outdoor climate data and weaning-to-first-mating interval or adjusted 21-day litter weights during summer in Japanese swine breeding herds
10. Herd management procedures and factors associated with low farrowing rate of female pigs in Japanese commercial herds
11. High-yield synthesis of semiconductive type-II Si clathrates with low Na content
12. Consecutive reproductive performance after parity 2 and lifetime performance in sows that had reduced pigs born alive from parity 1 to 2 in Japanese commercial herds
13. The occurrence of decreased numbers of pigs born alive in parity 2 sows does not negatively affect herd productivity in Japan
14. Assessment of post-farrowing performance in sows having a high number of pigs born dead on commercial farms
15. Boar culling and mortality in commercial swine breeding herds
16. Sows having high lifetime efficiency and high longevity associated with herd productivity in commercial herds
17. A repeatability assessment of sows mated 4–6 days after weaning in breeding herds
18. Number of services and the reservice intervals in relation to suboptimal reproductive performance in female pigs on commercial farms
19. Within-farm variability in age structure of breeding-female pigs and reproductive performance on commercial swine breeding farms
20. Retrospective analysis of trends and production factors associated with sow mortality on swine-breeding farms in USA
21. Interactions between the associations of parity, lactation length, and weaning-to-conception interval with subsequent litter size in swine herds using early weaning
22. Influence of lactation length and feed intake on reproductive performance and blood concentrations of glucose, insulin and luteinizing hormone in primiparous sows
23. Management factors associated with swine breeding-herd productivity in the United States
24. Influence of feed intake during individual weeks of lactation on reproductive performance of sows on commercial farms
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