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Título
The Suinfort® Semen Supplement Counters Seasonal Infertility in Iberian Sows
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Animals
Número de la revista
11
Datos de la obra
Piñán, J., Martinez-Pastor, F., Alegre, B., Maj, M., Kirkwood, R. N., Domínguez, J. C., & Manjarín, R. (2021). The suinfort® semen supplement counters seasonal infertility in iberian sows. Animals, 11(11). https://doi.org/10.3390/ANI11113176
Editor
MDPI
Fecha
2021
Résumé
[EN] Suinfort®, a commercial semen supplement demonstrated to increase fertility and litter size in commercial sows, was tested to improve reproductive performance in Iberian sows. A total of 1430 Iberian sows were artificially inseminated (AI) with semen from Duroc boars and assigned by parity to receive the seminal additive Suinfort® containing 2 IU oxytocin, 5 µg lecirelin, and 2 mM caffeine (SF; n = 1713 AI), or to serve as non-supplemented controls (CON; n = 2625 AI). CON showed a lower fertility comparing to winter for spring (p = 0.001) and summer (p < 0.001); summer was lower than autumn (p = 0.012). SF removed this seasonal effect (p > 0.05). Fertility was significantly higher for SF sows during summer (p = 0.025) and autumn (p = 0.004). Total born, live-born, stillborn, and mummified piglets did not differ between CON and SF but were impacted by the season, with total and live-born decreasing in summer compared with autumn (p < 0.001) and winter (p = 0.005). In conclusion, seminal supplementation with Suinfort® improved the fertility of Iberian sows during periods of seasonal infertility
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Peer review
SI
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DOI
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