Baker, D.H., Becker, D.E., Norton, H.W., Sasse, C.E., Jensen, A.H., & Harmon, B.G. (1969). Reproductive performance and progeny development in swine as influenced by feed intake during pregnancy. Journal of Nutrition, 97, 489–495. https://doi.org/10.1093/jn/97.4.489
Bergsma, R., Kanis, E., Verstegen, M.W.A., van der Peet-Schwering, C.M.C., & Knol, E.F. (2009). Lactation efficiency as a result of body composition dynamics and feed intake in sows. Livestock Science, 125(2–3), 208–222. https://doi.org/10.1016/j.livsci.2009.04.011
Bruun, T.S., et al. (2018). Journal of Animal Science, 96, 2320–2331. https://doi.org/10.1093/jas/sky141
Dourmad, J.Y., Guingand, N., Latimer, P., & Sève, B. (1999). Nitrogen and phosphorous consumption, utilisation and losses in pig production: France. Livestock Production Science, 58, 199–211. https://doi.org/10.1016/S0301-6226(98)00207-0
Dourmad, J.Y., Étienne, M., Valancogne, A., Dubois, S., van Milgen, J., & Noblet, J. (2008). InraPorc: A model and decision support tool for the nutrition of sows. Animal Feed Science and Technology, 143, 372–386. https://doi.org/10.1016/j.anifeedsci.2007.05.019
Everts, H., & Dekker, R.A. (1995). Effect of protein supply during pregnancy and lactation on body composition of sows during three reproductive cycles. Livestock Production Science, 43(2), 137–147. https://doi.org/10.1016/0301-6226(95)00039-I
Frobose, H. (2022). Individual sow intake in lactation: What variation exists today and how can ADFI be optimized? GESTAL Swine Summit 2022, Third Edition. Jyga Technologies. https://jygatech.com/blogs/news/videos-from-gestal-swine-summit-2022
King, R.H., & Dunkin, A.C. (1986). The effect of nutrition on the reproductive performance of first-litter sows. 3. The response to graded increases in food intake during lactation. Animal Production, 42, 119–125. https://doi.org/10.1017/S0003356100017888
King, R.H., & Dunkin, A.C. (1986). The effect of nutrition on the reproductive performance of first-litter sows. 4. The relative effects of energy and protein intakes during lactation on the performance of sows and their piglets. Animal Production, 43, 319–325. https://doi.org/10.1017/S0003356100001938
Koketsu, Y., Tani, S., & Iida, R. (2017). Factors for improving reproductive performance of sows and herd productivity in commercial breeding herds. Porcine Health Management, 3(1), 1–10. https://doi.org/10.1186/s40813-016-0049-7
Manis, C., et al. (Unpublished). Effects of feed allowance after day 15 of lactation on litter growth and reproductive performance.
Mullan, B.P., & Williams, I.H. (1989). The effect of body reserves at farrowing on the reproductive performance of first-litter sows. Animal Production, 48,
449–457. https://doi.org/10.1017/S000335610000408X
National Research Council. (2012). Nutrient requirements of swine (11th rev. ed.). National Academies Press. https://doi.org/10.17226/13298
Noblet, J., Dourmad, J.Y., & Etienne, M. (1990). Energy utilization in pregnant and lactating sows: Modeling of energy requirements. Journal of Animal Science, 68, 562–572. https://doi.org/10.2527/1990.682562x
Stender, D. Iowa State
University Extension.
Vales, R. (Unpublished). Dynamics of sow body weight changes during gestation and impacts on lactation performance. Kansas State University.
Vier, C., & Frobose, H. (2025). Lactation feed efficiency in modern sows. GESTAL Swine Summit 2025. Jyga Technologies. https://www.youtube.com/watch?v=-13QtWlnMKE
Zak, L.J., Xu, X., Hardin, R.T., & Foxcroft, G.R. (1997). Impact of different patterns of feed intake during lactation in the primiparous sow on follicular development and oocyte maturation. Journal of Reproduction and Fertility, 110, 99–106. https://doi.org/10.1530/jrf.0.1100099
