Boar nutrition |
Received methyl donors vs no methyl donors |
Differential gene expression and DNA methylation, as well as altered back fat. |
Braunschweig et al., 2012Braunschweig M, Jagannathan V, Gutzwiller A, Bee G. Investigations on transgenerational epigenetic response down the male line in F2 pigs. PLoS One. 2012;7(2):e30583. http://dx.doi.org/10.1371/journal.pone.0030583. PMid:22359544. http://dx.doi.org/10.1371/journal.pone.0...
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Boar housing environment |
Housed in crates, enriched crates, or pens |
More piglets born from boars housed in enriched crates and pens, reduced skin lesions, and altered avoidance behavior to skin pressure stimulus. |
Sabei et al., 2023Sabei L, Bernardino T, Parada Sarmiento M, Barbosa BS, Farias SS, Ghantous GF, Lima CG, Poletto R, Zanella AJ. Life experiences of boars can shape the survival, aggression, and nociception responses of their offspring. Front Anim Sci. 2023;4:1142628. http://dx.doi.org/10.3389/fanim.2023.1142628. http://dx.doi.org/10.3389/fanim.2023.114...
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Ram diet |
Pre-pubertal methionine feeding vs control |
Male offspring (F1) from rams receiving methionine lighter BW and smaller scrotal circumference at puberty. |
Gross et al., 2020Gross N, Taylor T, Crenshaw T, Khatib H. The intergenerational impacts of paternal diet on DNA methylation and offspring phenotypes in sheep. Front Genet. 2020;11:597943. http://dx.doi.org/10.3389/fgene.2020.597943. PMid:33250925. http://dx.doi.org/10.3389/fgene.2020.597...
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Ram diet |
Pre-pubertal methionine feeding vs control; evaluation of F2 and F3 generations |
Scrotal circumference phenotype and altered methylation patterns observed in sperm of F1, F2, and F3 generations. |
Braz et al., 2022Braz CU, Taylor T, Namous H, Townsend J, Crenshaw T, Khatib H. Paternal diet induces transgenerational epigenetic inheritance of DNA methylation signatures and phenotypes in sheep model. PNAS Nexus. 2022;1(2):pgac040. http://dx.doi.org/10.1093/pnasnexus/pgac040. PMid:36713326. http://dx.doi.org/10.1093/pnasnexus/pgac...
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Bull diet |
Fed diets containing Omega 3 (fish oil or flax oil) vs saturated fat control |
Enhanced blastocyst rate and altered gene expression of blastocysts. |
Kalo et al., 2022Kalo D, Reches D, Netta N, Komsky-Elbaz A, Zeron Y, Moallem U, Roth Z. Carryover effects of feeding bulls with an omega-3-enriched-diet: from spermatozoa to developed embryos. PLoS One. 2022;17(3):e0265650. http://dx.doi.org/10.1371/journal.pone.0265650. PMid:35324945. http://dx.doi.org/10.1371/journal.pone.0...
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Bull age |
Semen collected from same bulls at 10, 12, and 16 months of age, then used for IVF on oocytes recovered from same donor cow for each bull. |
Differential gene expression and methylation observed as bulls aged, mainly associated with metabolic pathways. |
Wu et al., 2020aWu C, Blondin P, Vigneault C, Labrecque R, Sirard M-A. Sperm miRNAs- potential mediators of bull age and early embryo development. BMC Genomics. 2020a;21(1):798. http://dx.doi.org/10.1186/s12864-020-07206-5. PMid:33198638. http://dx.doi.org/10.1186/s12864-020-072...
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Bull fertility status |
Semen from bulls with high vs. low sire conception rate |
Differential mRNA transcript abundance and methylation in blastocysts. |
Kropp et al., 2017Kropp J, Carrillo JA, Namous H, Daniels A, Salih SM, Song J, Khatib H. Male fertility status is associated with DNA methylation signatures in sperm and transcriptomic profiles of bovine preimplantation embryos. BMC Genomics. 2017;18(1):280. http://dx.doi.org/10.1186/s12864-017-3673-y. PMid:28381255. http://dx.doi.org/10.1186/s12864-017-367...
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Bull seminal plasma |
Cows receiving seminal plasma at AI or not |
Seminal plasma tended to increase conception rates to AI, and increased pregnancy rates to AI in sex sorted semen. Increased birth weights from calves born from sex sorted semen. |
Ortiz et al., 2019Ortiz WG, Rizo JA, Carvalheira LR, Ahmed BMS, Estrada-Cortes E, Harstine BR, Bromfield JJ, Hansen PJ. Effects of intrauterine infusion of seminal plasma at artificial insemination on fertility of lactating Holstein cows. J Dairy Sci. 2019;102(7):6587-94. http://dx.doi.org/10.3168/jds.2019-16251. PMid:31103294. http://dx.doi.org/10.3168/jds.2019-16251...
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Bull seminal plasma |
Exposure of heifers to SP of vasectomized bulls before transfer of multiple embryos |
Enhanced conceptus length at d 14, altered gene expression of conceptus. |
Mateo-Otero et al., 2020Mateo-Otero Y, Sánchez JM, Recuero S, Bagés-Arnal S, McDonald M, Kenny DA, Yeste M, Lonergan P, Fernandez-Fuertes B. Effect of exposure to seminal plasma through natural mating in cattle on conceptus length and gene expression. Front Cell Dev Biol. 2020;8:341. http://dx.doi.org/10.3389/fcell.2020.00341. PMid:32478076. http://dx.doi.org/10.3389/fcell.2020.003...
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