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Pregnancy rates and litter size in sows and gilts in relation to the month of insemination and average environmental temperature



Pregnancy rates and litter size in sows and gilts in relation to the month of insemination and average environmental temperature



Monatshefte fur Veterinarmedizin 39(12): 427-430



Data for 1976-79 on gilts at 3 stations and on sows at 2 stations were analysed. At 1 station, the pregnancy rate among gilts was not significantly affected by month of insemination. At the 2nd station, the percentage of 3364 first inseminations resulting in pregnancy rates above or below 75% differed highly significantly between May-Sep. and Oct.-Apr.

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Accession: 001237248

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