Postlactational estrus reaction and sows farrowing rate in cold and warm seasone

The effects of the warm and cold period of the year on the sows postlactational estrus reaction and farrowing rate, were investigated on an intensive pig production farm unit in Vojvodina. Average weaning-to-estrs interval duration was significantly (P is greater than 0.01) longer (8.1 vs. 6.0 days)...

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Published inSavremena poljoprivreda Vol. 60; no. 3-4
Main Authors Stančić, B., Faculty of Agriculture, Novi Sad (Serbia), Radović, I., Faculty of Agriculture, Novi Sad (Serbia), Božić, A., Faculty of Agriculture, Novi Sad (Serbia), Dragin, S., Faculty of Agriculture, Novi Sad (Serbia)
Format Journal Article
LanguageEnglish
Published 2011
Subjects
CERDAS
CICLO ESTRAL
CYCLE OESTRAL
ESTACIONES DEL AAO
FERTILIDAD
FERTILITA
FERTILITY
http://www.fao.org/aos/agrovoc#c_2862
http://www.fao.org/aos/agrovoc#c_5322
http://www.fao.org/aos/agrovoc#c_6911
http://www.fao.org/aos/agrovoc#c_7271
OESTROUS CYCLE
SAISON
SEASONS
SOWS
TRUIE
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Summary:The effects of the warm and cold period of the year on the sows postlactational estrus reaction and farrowing rate, were investigated on an intensive pig production farm unit in Vojvodina. Average weaning-to-estrs interval duration was significantly (P is greater than 0.01) longer (8.1 vs. 6.0 days) and farrowing rate was significantly (P is greater than 0.05) lower (72.9% vs.80.2%) in worm compared with cold season. The present results support the findings of other authors that higher temperature and extended photoperiod, during summer months, are the main factors influencing reduction the reproductive parameters in the breeding sows herds. This phenomenon is known as a summer sows infertility.
Bibliography:COBISS.SR-ID 2563586
L53
ISSN:0350-1205