English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

In summer high temperatures are stress for sows mostly. This situation often  affects the reproduction physiology in animals strongly. As a result of that  the fertility and reproduction performance of sows can be reduced. High  environmental temperatures and especially heat accumulation in body of the  animals affect the metabolism in high performance sows. That is important in  very sensitive phases in reproduction cycle of sows like heat, pregnancy and  lactation. Young sows (gilts and primiparous sows) are more sensitive than  older sows. This situation demands zoo- and biotechnical activities expecting  assistance for reproduction endocrinology in sows. Regarding this aim, the  stimulation of cycle with eCG in weaned sows with different age was  investigated. Following results were found: The effect of cycle stimulation  with 800 IU eCG in weaned sows differ depend on age of sows, season and  temperature. Cycle stimulation with eCG in summer (July, August, September)  reduces risk of low fertility in sows. In other seasons the positive effect  of biotechnical cycle stimulation is not clear generally. Especially in  primiparous sows there is a positive effect of biotechnical treatment in  summer. In older sows in 3rd to 5th litter the cycle stimulation has no  significant positive effect on fertility. In sows with more than 5 litters  cycle stimulations are necessary to save a high reproduction performance  generally.

Influence of cycle stimulation in weaned sows on fertility depend on season