J. Arango, I. Misztal, S. Tsuruta, M. Culbertson, and W. Herring, Threshold-linear estimation of genetic parameters for farrowing mortality, litter size, and test performance of Large White sows, Journal of Animal Science, vol.83, issue.3, pp.499-506, 2005.
DOI : 10.2527/2005.833499x

M. Banville, J. Riquet, D. Bahon, M. Sourdioux, and L. Canario, Genetic parameters for litter size, piglet growth and sow's early growth and body composition in the Chinese-European line Tai Zumu, Journal of Animal Breeding and Genetics, vol.32, issue.4, pp.328-337, 2014.
DOI : 10.1111/jbg.12122

M. Banville, M. Sourdioux, J. Riquet, D. Bahon, and L. Canario, Caractérisation phénotypique et génétique de la stabilité de la taille de portée dans la lignée sino-européenne Tai Zumu, Journées de la Recherche Porcine, vol.47, pp.45-46, 2015.

M. Banville, Amélioration génétique des aptitudes maternelles de la truie Sino-Européenne Tai-Zumu -Associations génétiques entre taille de portée et croissance du porcelet, 2012.

A. Bouquet, B. Ligonesche, L. Canario, and J. Bidanel, Variabilité génétique des caractéristiques numériques de la portée et de la croissance des porcelets en allaitement dans une population Landrace Français, Journées de la Recherche Porcine, vol.38, pp.125-130, 2006.

P. Chen, T. Baas, J. Mabry, K. Koehler, and J. Dekkers, Genetic parameters and trends for litter traits in U.S. Yorkshire, Duroc, Hampshire, and Landrace pigs, Journal of Animal Science, vol.81, issue.1, pp.46-53, 2003.
DOI : 10.2527/2003.81146x

J. Dagorn, J. Saulnier, and P. Gréau, Evolution et variation de la prolificté entre la première et la seconde portée, Journées de la Recherche Porcine, vol.16, pp.145-152, 1984.

A. Fernández, J. Rodrigáñez, J. Zuzúarregui, M. Rodríguez, and L. Silió, Genetic parameters for litter size and weight at different parities in Iberian pigs, Spanish Journal of Agricultural Research, vol.6, issue.S1, pp.98-106, 2008.
DOI : 10.5424/sjar/200806S1-378

A. Gilmour, B. Gogel, B. Cullis, and R. Thompson, ASReml User Guide Release 3.0 [Internet]. VSN International Ltd, 2009.

B. Holm, M. Bakken, G. Klemetsdal, and O. Vangen, Genetic correlations between reproduction and production traits in swine, Journal of Animal Science, vol.82, issue.12, pp.3458-3464, 2004.
DOI : 10.2527/2004.82123458x

L. Hoving, The second parity sow: causes and consequences of variation in reproductive performance, 2012.

M. Huby, J. Gogué, L. Maignel, and J. Bidanel, Corrélations génétiques entre les caractéristiques numériques et pondérales de la portée, la variabilité du poids des porcelets et leur survie entre la naissance et le sevrage, Journées de la Recherche Porcine, vol.35, pp.293-300, 2003.

R. King, ABSTRACT, Animal Production, vol.43, issue.01, pp.109-115, 1989.
DOI : 10.4141/cjas87-082

Y. Koketsu, H. Takahashi, and K. Akachi, Longevity, Lifetime Pig Production and Productivity, and Age at First Conception in a Cohort of Gilts Observed over Six Years on Commercial Farms., Journal of Veterinary Medical Science, vol.61, issue.9, pp.1001-1005, 1999.
DOI : 10.1292/jvms.61.1001

C. Legault, Génétique et prolificité chez la truie : la voie hyperprolifique et la voie sinoeuropéenne, INRA Productions Animales, vol.11, pp.214-218, 1998.

J. Lucbert and O. Lavorel, Baisse de la prolificité de la truie en seconde portée, Journées de la Recherche Porcine, vol.16, pp.115-124, 1984.

Z. Lukovi?, S. Malovrh, G. Gorjanc, and M. Kova?, A random regression model in analysis of litter size in pigs, South African Journal of Animal Science, vol.34, pp.241-248, 2004.

M. Morrow, W. Leman, A. Williamson, N. Morrison, R. et al., An epidemiological investigation of reduced second-litter size in swine, Preventive Veterinary Medicine, vol.12, issue.1-2, pp.15-26, 1992.
DOI : 10.1016/0167-5877(92)90065-N

J. Noguera, L. Varona, D. Babot, and J. Estany, Multivariate analysis of litter size for multiple parities with production traits in pigs: I. Bayesian variance component estimation, Journal of Animal Science, vol.80, issue.10, pp.2540-2547, 2002.
DOI : 10.2527/2002.80102540x

A. Paterson, I. Barker, and D. Lindsay, Analysis of the reproductive performance records of an intensive piggery in Australia, Australian Society of Animal Production, vol.13, pp.389-392, 1980.

H. Quesnel, Etat nutritionnel et reproduction chez le truie allaitante, INRA Productions Animales, vol.18, pp.277-286, 2005.

R. Roehe and B. Kennedy, Estimation of genetic parameters for litter size in Canadian Yorkshire and Landrace swine with each parity of farrowing treated as a different trait., Journal of Animal Science, vol.73, issue.10, pp.2959-2970, 1995.
DOI : 10.2527/1995.73102959x

Y. Sasaki and Y. Koketsu, Reproductive profile and lifetime efficiency of female pigs by culling reason in high-performing commercial breeding herds, Journal of Swine Health and Production, vol.19, pp.284-291, 2011.

Y. Sasaki, H. Saito, A. Shimomura, and Y. Koketsu, Consecutive reproductive performance after parity 2 and lifetime performance in sows that had reduced pigs born alive from parity 1 to 2 in Japanese commercial herds, Livestock Science, vol.139, issue.3
DOI : 10.1016/j.livsci.2011.01.017

D. Skorput, G. Gorjanc, M. Dikic, and Z. Lukovic, Genetic parameters for litter size in Black Slavonian pigs, Spanish Journal of Agricultural Research, vol.12, issue.1, pp.89-97, 2014.
DOI : 10.5424/sjar/2014121-4299

M. Sourdioux, D. Bahon, and I. Delaunay, Genetic Parameters and Genetic Trends of the Sino- European Tai Zumu Composite Line, 9th World Congress on Genetics Applied to Livestock Production, pp.589-593, 2010.

B. Kemp, A. Wientjes, L. Hoving, J. Van-leeuwen, and N. Soede, Second litter syndrome and ways to prevent it, 2010.

L. Rydhmer, Swine breeding programmes in the Nordic countries, 2005.

. Vit, ZPLAN+ -A software to evaluate and optimise animal breeding programs -User's Malual. Verden, 2011.