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Animal Science - Reproductive & Growth Physiology

Advancing Investigations in Swine Reproduction Efficiency at Iowa State – Phase 4

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Advancing Investigations in Swine Reproduction Efficiency at Iowa State: Part 3

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Advancing Investigations in Swine Reproduction Efficiency at Iowa State

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Effects of betaine and heat stress on lactation and post-weaning reproductive performance on sows

  Heat stress has multiple negative impacts on animal metabolism and physiology and is thought to cost the swine industry more than $360 million per year (St-Pierre et al., 2003). Heat stress can impair the ovarian function as seen on most…

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Investigating hyperinsulinemia and increased circulating lipopolysaccharide involvement in seasonal infertility

Heat stress (HS) is a major economic strain for the US swine industry. In terms of reproduction, seasonal infertility is associated with HS, characterized by lengthened wean-to-estrus interval (WEI), increased spontaneous abortions and increased number of rebreeds. Unfortunately, there is…

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Effect of GnRH-II on reproductive efficiency and productivity of first parity sows

Although never investigated, gonadotropin-releasing hormone II (GnRH-II) may be associated with the interaction between nutritional status and reproduction in swine. Therefore, we examined the role of GnRH-II in return to estrus following lactation of first parity sows. The objectives of…

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Relationships between Seminal Plasma Proteins and Boar Fertility: Devlopment of a Proactive Semen Fertility Test

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Action of Leptin at the Hypothalamus for Reproductive Function

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Improved reproductive performance in 14d weaned sows by delaying return to estrus

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Effect of Prenatal Androgenization on Growth Rate, Feed Efficiency and Carcass Quality of Swine

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