Research Publications

Differential gene expression of Eph-ephrin A1 and LEPR-LEP with high or low number of embryos in pigs during implantation.

Fu Y, Knox RV, Li L, Ren S.

Reprod Domest Anim. 2018 Aug;53(4):937-946. doi: 10.1111/rda.13192. Epub 2018 May 8.

Ovulation and fertility responses for sows receiving once daily boar exposure after weaning and OvuGel® followed by a single fixed time post cervical artificial insemination.

Ulguim RR, Bortolozzo FP, Wentz I, Johnston M, Webel SK, Arend L, Knox RV.

Theriogenology. 2018 Jan 1;105:27-33. doi: 10.1016/j.theriogenology.2017.09.005. Epub 2017 Sep 8.

Design and biological effects of a vaginally administered gel containing the GnRH agonist, triptorelin, for synchronizing ovulation in swine.

Knox RV, Stewart KR, Flowers WL, Swanson ME, Webel SK, Kraeling RR.

Theriogenology. 2018 May;112:44-52. doi: 10.1016/j.theriogenology.2017.08.021. Epub 2017 Aug 24.

Effects of estrus synchronization using Matrix® followed by treatment with the GnRH agonist triptorelin to control ovulation in mature gilts.

Knox RV, Webel SK, Swanson M, Johnston ME, Kraeling RR.

Anim Reprod Sci. 2017 Oct;185:66-74. doi: 10.1016/j.anireprosci.2017.08.003. Epub 2017 Aug 14.

Effect of numbers of sperm and timing of a single, post-cervical insemination on the fertility of weaned sows treated with OvuGel®.

Knox RV, Esparza-Harris KC, Johnston ME, Webel SK.

Theriogenology. 2017 Apr 1;92:197-203. doi: 10.1016/j.theriogenology.2017.01.033. Epub 2017 Jan 20.

Effect of timing of relocation of replacement gilts from group pens to individual stalls before breeding on fertility and well-being.

Knox RV, Shen J, Greiner LL, Connor JF.

J Anim Sci. 2016 Dec;94(12):5114-5121. doi: 10.2527/jas.2016-0799.

Contribution of semen trait selection, artificial insemination technique, and semen dose to the profitability of pig production systems: A simulation study.

Gonzalez-Pena D, Knox RV, Rodriguez-Zas SL.

Theriogenology. 2016 Jan 15;85(2):335-44. doi: 10.1016/j.theriogenology.2015.09.014. Epub 2015 Sep 12.

Recent advancements in the hormonal stimulation of ovulation in swine.

Knox RV.

Vet Med (Auckl). 2015 Oct 5;6:309-320. doi: 10.2147/VMRR.S68960. eCollection 2015. Review.

Artificial insemination in pigs today.

Knox RV.

Theriogenology. 2016 Jan 1;85(1):83-93. doi: 10.1016/j.theriogenology.2015.07.009. Epub 2015 Jul 16. Review.

The Fertility of Frozen Boar Sperm When used for Artificial Insemination.

Knox RV.

Reprod Domest Anim. 2015 Jul;50 Suppl 2:90-7. doi: 10.1111/rda.12552. Review.

Genetic gain and economic values of selection strategies including semen traits in three- and four-way crossbreeding systems for swine production.

González-Peña D, Knox RV, MacNeil MD, Rodriguez-Zas SL.

J Anim Sci. 2015 Mar;93(3):879-91. doi: 10.2527/jas.2014-8035.

Enhanced fertility prediction of cryopreserved boar spermatozoa using novel sperm function assessment.

Daigneault BW, McNamara KA, Purdy PH, Krisher RL, Knox RV, Rodriguez-Zas SL, Miller DJ.

Andrology. 2015 May;3(3):558-68. doi: 10.1111/andr.12035. Epub 2015 Apr 24.

The effect of extender, method of thawing, and duration of storage on in vitro fertility measures of frozen-thawed boar sperm.

Knox RV, Ringwelski JM, McNamara KA, Aardsma M, Bojko M.

Theriogenology. 2015 Aug;84(3):407-12. doi: 10.1016/j.theriogenology.2015.03.029. Epub 2015 Mar 31.

The effect of numbers of frozen-thawed boar sperm and addition of prostaglandin F2α at insemination on fertility in pigs.

Knox RV, Yantis BM.

Anim Reprod Sci. 2014 Dec 30;151(3-4):194-200. doi: 10.1016/j.anireprosci.2014.10.018. Epub 2014 Oct 28.

Effects of altering the dose and timing of triptorelin when given as an intravaginal gel for advancing and synchronizing ovulation in weaned sows.

Knox RV, Taibl JN, Breen SM, Swanson ME, Webel SK.

Theriogenology. 2014 Aug;82(3):379-86. doi: 10.1016/j.theriogenology.2014.04.020. Epub 2014 May 2.

Novel and traditional traits of frozen-thawed porcine sperm related to in vitro fertilization success.

Daigneault BW, McNamara KA, Purdy PH, Krisher RL, Knox RV, Miller DJ.

Theriogenology. 2014 Jul 15;82(2):266-73. doi: 10.1016/j.theriogenology.2014.04.006. Epub 2014 Apr 23.

Impact of pig insemination technique and semen preparation on profitability.

Gonzalez-Peña D, Knox RV, Pettigrew J, Rodriguez-Zas SL.

J Anim Sci. 2014 Jan;92(1):72-84. doi: 10.2527/jas.2013-6836. Epub 2013 Dec 18.

Impact of swine reproductive technologies on pig and global food production.

Knox RV.

Adv Exp Med Biol. 2014;752:131-60. doi: 10.1007/978-1-4614-8887-3_7. Review.


Effect of using frozen-thawed boar sperm differing in post-thaw motility in the first and second inseminations on pregnancy establishment, litter size, and fetal paternity in relation to time of ovulation.

McNamara KA, Knox RV.

J Anim Sci. 2013 Dec;91(12):5637-45. doi: 10.2527/jas.2013-6867. Epub 2013 Oct 28.

Effect of interval between inseminations when using frozen-thawed boar sperm on fertility and fetal paternity in mature gilts.

Ringwelski JM, Beever JE, Knox RV.

Anim Reprod Sci. 2013 Mar;137(3-4):197-204. doi: 10.1016/j.anireprosci.2013.01.007. Epub 2013 Jan 30.