Limits on hogget lambing: the fertility of the young ewe

References

• Allison AJ, Davis GH. 1976. II. Effects of age of ewe, live weight, and paddock size on duration of oestrus and ram-seeking activity. N Z J Exp Agric. 4:269–274.
   Google Scholar
• Anderson ST, Bindon BM, Hillard MA, O’Shea T. 1998. Increased ovulation rate in Merino ewes immunized against small synthetic peptide fragments of the inhibin alpha subunit. Reprod Fertil Dev. 10:421–431. doi: 10.1071/RD98094
   PubMed Web of Science ®Google Scholar
• Bathaei SS, Leroy PL. 1997. Note on age and body weight at puberty in Mehraban Iranian fat-tailed ewe lambs. Trop Anim Health Prod. 29:55–59. doi: 10.1007/BF02632349
   PubMed Web of Science ®Google Scholar
• Boggess MV, Wilson DE, Rothschild MF, Morrical DG. 1991. National sheep improvement program: age adjustment of weaning weight. J Anim Sci. 69:3190–3201. doi: 10.2527/1991.6983190x
   PubMed Web of Science ®Google Scholar
• Boland MP, Nancarrow CD, Murray JD, Scaramuzzi RJ, Sutton R, Hoskinson RM, Hazelton IG. 1986. Fertilization and early embryonic development in androstenedione-immunized Merino ewes. J Reprod Fert. 78:423–431. doi: 10.1530/jrf.0.0780423
   PubMedGoogle Scholar
• Carpenter KD, Hayashi K, Spencer TE. 2003. Ovarian regulation of endometrial gland morphogenesis and activin-follistatin system in the neonatal ovine uterus. Biol Reprod. 69:851–860. doi: 10.1095/biolreprod.103.016337
   PubMed Web of Science ®Google Scholar
• Cooke PS, Spencer TE, Bartol FF, Hayashi K. 2013. Uterine glands: development, function and experimental model systems. Mol Hum Reprod. 19:547–558. doi: 10.1093/molehr/gat031
   PubMed Web of Science ®Google Scholar
• Corner-Thomas RA, Ridler AL, Morris ST, Kenyon PR. 2015. Ewe lamb live weight and body condition scores affect reproductive rates in commercial flocks. N Z J Agric Res. 58:26–34. doi: 10.1080/00288233.2014.974766
   Web of Science ®Google Scholar
• Cushman RA, Allan MF, Kuehn LA, Snelling WM, Cupp AS, Freetly HC. 2009. Evaluation of antral follicle count and ovarian morphology in crossbred beef cows: investigation of influence of stage of the estrous cycle, age, and birth weight. J Anim Sci. 87:1971–1980. doi: 10.2527/jas.2008-1728
   PubMed Web of Science ®Google Scholar
• Davies MJ. 2006. Evidence for effects of weight on reproduction in women. Reprod Biomed Online. 12:552–561. doi: 10.1016/S1472-6483(10)61180-7
   PubMed Web of Science ®Google Scholar
• Diskin MG, Kenny DA. 2014. Optimising reproductive performance of beef cows and replacement heifers. Animal. 8(Suppl 1):27–39. doi: 10.1017/S175173111400086X
   PubMed Web of Science ®Google Scholar
• Edwards SJ, Juengel JL. 2016. Key considerations when lambing hoggets (ewe lambs). Proceedings of the 59th ESA, 47th SRB and 26th ANZBMS Annual Scientific Meeting; Gold Coast, Queensland.
   Google Scholar
• Edwards SJ, Juengel JL, O’Connell AR, Johnstone PD, Farquhar PA, Davis GH. 2015. Attainment of puberty by ewes in the first year of life is associated with improved reproductive performance at 2 years of age. Small Rumin Res. 123:118–123. doi: 10.1016/j.smallrumres.2014.11.006
   Web of Science ®Google Scholar
• Edwards SJ, Smaill B, O’Connell AR, Johnstone PD, Stevens DR, Quirke LD, Farquhar PA, Juengel JL. 2016. Reduced ovulation rate, failure to be mated and fertilization failure/embryo loss are the underlying causes of poor reproductive performance in juvenile ewes. Anim Reprod Sci. 167:125–132. doi: 10.1016/j.anireprosci.2016.02.017
   PubMed Web of Science ®Google Scholar
• Evans AC, Mossa F, Walsh SW, Scheetz D, Jimenez-Krassel F, Ireland JL, Smith GW, Ireland JJ. 2012. Effects of maternal environment during gestation on ovarian folliculogenesis and consequences for fertility in bovine offspring. Reprod Domest Anim. 47:31–37. doi: 10.1111/j.1439-0531.2012.02052.x
   PubMed Web of Science ®Google Scholar
• Everett-Hincks JM, Mathias-Davis HC, Greer GJ, Auvray BA, Dodds KG. 2014. Genetic parameters for lamb birth weight, survival and death risk traits. J Anim Sci. 92:2885–2895. doi: 10.2527/jas.2013-7176
   PubMed Web of Science ®Google Scholar
• Ferreira AM, Bislev SL, Bendixen E, Almeida AM. 2013. The mammary gland in domestic ruminants: a systems biology perspective. J Proteomics. 94:110–123. doi: 10.1016/j.jprot.2013.09.012
   PubMed Web of Science ®Google Scholar
• Fritz S, Capitan A, Djari A, Rodriguez SC, Barbat A, Baur A, Grohs C, Weiss B, Boussaha M, Esquerre D, et al. 2013. Detection of haplotypes associated with prenatal death in dairy cattle and identification of deleterious mutations in GART, SHBG and SLC37A2. PLoS One. 8:e65550. doi: 10.1371/journal.pone.0065550
   PubMed Web of Science ®Google Scholar
• Haldar A, French MC, Brauning R, Edwards SJ, O’Connell AR, Farquhar PA, Davis GH, Johnstone PD, Juengel JL. 2014. Single-nucleotide polymorphisms in the LEPR gene are associated with divergent phenotypes for age at onset of puberty in Davisdale ewes. Biol Reprod. 90:1–7. doi: 10.1095/biolreprod.113.115923
   Web of Science ®Google Scholar
• Hanford KJ, Van Vleck LD, Snowder GD. 2002. Estimates of genetic parameters and genetic change for reproduction, weight, and wool characteristics of Columbia sheep. J Anim Sci. 80:3086–3098. doi: 10.2527/2002.80123086x
   PubMed Web of Science ®Google Scholar
• Hanford KJ, Van Vleck LD, Snowder GD. 2003. Estimates of genetic parameters and genetic change for reproduction, weight, and wool characteristics of Targhee sheep. J Anim Sci. 81:630–640. doi: 10.2527/2003.813630x
   PubMed Web of Science ®Google Scholar
• Hayashi K, O’Connell AR, Juengel JL, McNatty KP, Davis GH, Bazer FW, Spencer TE. 2008. Postnatal uterine development in Inverdale ewe lambs. Reproduction. 135:357–365. doi: 10.1530/REP-07-0323
   PubMed Web of Science ®Google Scholar
• Hunter RH. 2012. Components of oviduct physiology in eutherian mammals. Biol Rev Camb Philos Soc. 87:244–255. doi: 10.1111/j.1469-185X.2011.00196.x
   PubMed Web of Science ®Google Scholar
• Jimenez-Krassel F, Folger JK, Ireland JL, Smith GW, Hou X, Davis JS, Lonergan P, Evans AC, Ireland JJ. 2009. Evidence that high variation in ovarian reserves of healthy young adults has a negative impact on the corpus luteum and endometrium during estrous cycles in cattle. Biol Reprod. 80:1272–1281. doi: 10.1095/biolreprod.108.075093
   PubMed Web of Science ®Google Scholar
• Juengel JL, Davis GH, McNatty KP. 2013. Using sheep lines with mutations in single genes to better understand ovarian function. Reproduction. 146:R111–R123. doi: 10.1530/REP-12-0509
   PubMed Web of Science ®Google Scholar
• Juengel JL, French MC, O’Connell AR, Edwards SJ, Haldar A, Brauning R, Farquhar PA, Dodds KG, Galloway SM, Johnstone PD, Davis GH. 2016. Mutations in the leptin receptor gene associated with delayed onset of puberty are also associated with decreased ovulation and lambing rates in prolific Davisdale sheep. Reprod Fertil Dev. 28:1318–1325. doi: 10.1071/RD14382
   Web of Science ®Google Scholar
• Juengel JL, Hudson NL, Whiting L, McNatty KP. 2004. Effects of immunization against bone morphogenetic protein 15 and growth differentiation factor 9 on ovulation rate, fertilization, and pregnancy in ewes. Biol Reprod. 70:557–561. doi: 10.1095/biolreprod.103.023333
   PubMed Web of Science ®Google Scholar
• Juengel JL, O’Connell AR, Farquhar PA, Johnstone PD, Davis GH. 2012. Evidence for a single gene affecting embryo/fetal survival in the davisdale flock. Proceedings of the 17th International Congress on Animal Reproduction; Vancouver, Canada.
   Google Scholar
• Juengel JL, Proctor L, Wearne K, Olliver D, Hudson N, Jensen D, Davis GH, Johnstone P, McNatty K. 2011. Effects of immunization against androstenedione or bone morphogenetic protein 15 (BMP15) on reproductive performance in sheep. Reprod Domest Anim. 46:115 (Abstract P130).
   Web of Science ®Google Scholar
• Juengel JL, Smith P. 2014. Formation of ovarian follicles in ruminants. In: Juengel JL, Miyamoto A, Price C, Reynolds LP, Smith MF, Webb R, editors. Reproduction in domestic ruminants VII. Leicestershire: Context Products; p. 277–293.
   Google Scholar
• Kenyon PR, editor. 2012. Hogget performance: unlocking the potential. Wellington: Beef + Lamb New Zealand.
   Google Scholar
• Kenyon PR, Morel PC, Morris ST, Burnham DL, West DM. 2006a. The effect of length of use of teaser rams prior to mating and individual liveweight on the reproductive performance of ewe hoggets. N Z Vet J. 54:91–95. doi: 10.1080/00480169.2006.36618
   PubMed Web of Science ®Google Scholar
• Kenyon PR, Morel PC, Morris ST, Burnham DL, West DM. 2007a. Effect of the ratio of teaser rams used prior to breeding on the reproductive performance of ewe hoggets. N Z Vet J. 55:342–345. doi: 10.1080/00480169.2007.36791
   PubMed Web of Science ®Google Scholar
• Kenyon PR, Morel PC, Morris ST, West DM. 2005. The effect of individual liveweight and use of teaser rams prior to mating on the reproductive performance of ewe hoggets. N Z Vet J. 53:340–343. doi: 10.1080/00480169.2005.36571
   PubMed Web of Science ®Google Scholar
• Kenyon PR, Morel PC, Morris ST, West DM. 2007b. Effect of the age of rams on reproductive performance of ewe hoggets. N Z Vet J. 55:184–187. doi: 10.1080/00480169.2007.36765
   PubMed Web of Science ®Google Scholar
• Kenyon PR, Morel PCH, West DM, Morris ST. 2006b. Effect of liveweight and teasing of ewe hoggets prior to breeding on lambing pattern and weight of singleton lambs. N Z J Agric Res. 49:341–347. doi: 10.1080/00288233.2006.9513724
   Web of Science ®Google Scholar
• Kenyon PR, Morris ST, Burnham DL, West DM. 2008a. Effect of nutrition during pregnancy on hogget pregnancy outcome and birthweight and liveweight of lambs. N Z J Agric Res. 51:77–83. doi: 10.1080/00288230809510437
   Web of Science ®Google Scholar
• Kenyon PR, Morris ST, Perkins NR, West DM. 2004a. Hogget mating in New Zealand – a survey. Proc N Z Soc Anim Prod. 64:217–222.
   Google Scholar
• Kenyon PR, Morris ST, West DM. 2008b. Can Romney ram lambs whose scrotums had been shortened by the use of a rubber ring be used as an alternative to vasectomised Perendale rams for inducing early breeding activity in Romney ewe lambs? N Z Vet J. 56:326–329. doi: 10.1080/00480169.2008.36854
   PubMed Web of Science ®Google Scholar
• Kenyon PR, Pinchbeck GL, Perkins NR, Morris ST, West DM. 2004b. Identifying factors which maximise the lambing performance of hoggets: a cross sectional study. N Z Vet J. 52:371–377. doi: 10.1080/00480169.2004.36454
   PubMed Web of Science ®Google Scholar
• Kenyon PR, Proctor L, Morel PC, Morris ST, West DM. 2008c. The effect of breeding ewe lambs on subsequent two-year-old ewe performance. Livest Sci. 115:206–210. doi: 10.1016/j.livsci.2007.07.008
   Web of Science ®Google Scholar
• Kenyon PR, Thompson AN, Morris ST. 2014. Breeding ewe lambs successfully to improve lifetime performance. Small Rumin Res. 118:2–15. doi: 10.1016/j.smallrumres.2013.12.022
   Web of Science ®Google Scholar
• Lahoz B, Alabart JL, Monniaux D, Mermillod P, Folch J. 2012. Anti-Mullerian hormone plasma concentration in prepubertal ewe lambs as a predictor of their fertility at a young age. BMC Vet Res. 8:118. doi: 10.1186/1746-6148-8-118
   PubMed Web of Science ®Google Scholar
• Lerias JR, Hernandez-Castellano LE, Suarez-Trujillo A, Castro N, Pourlis A, Almeida AM. 2014. The mammary gland in small ruminants: major morphological and functional events underlying milk production – a review. J Dairy Res. 81:304–318. doi: 10.1017/S0022029914000235
   PubMed Web of Science ®Google Scholar
• Levine JM, Vavra M, Phillips R, Hohenboken W. 1978. Ewe lamb conception as an indicator of future production in farm flock Columbia and Targhee ewes. J Anim Sci. 46:19–25. doi: 10.2527/jas1978.46119x
   Web of Science ®Google Scholar
• McMillan WH. 1983. Hogget lamb mortality. Proc N Z Soc Anim Prod. 43:33–36.
   Google Scholar
• Menchaca A, Vilariño M, Crispo M, de Castro T, Rubianes E. 2010. New approaches to superovulation and embryo transfer in small ruminants. Reprod Fertil Dev. 22:113–118. doi: 10.1071/RD09222
   PubMed Web of Science ®Google Scholar
• Moore RW, Sumner RMW, Bass JJ, Hockey HUP. 1983. Hogget lambing and its effect on the subsequent two-tooth performance of three breeds. Proc N Z Soc Anim Prod. 43:21–24.
   Google Scholar
• Morel PC, Wickham JL, Morel JP, Wickham GA. 2010. Effects of birth rank and yearling lambing on long-term ewe reproductive performance. Proc N Z Soc Anim Prod. 70:88–90.
   Google Scholar
• Mossa F, Walsh SW, Butler ST, Berry DP, Carter F, Lonergan P, Smith GW, Ireland JJ, Evans AC. 2012. Low numbers of ovarian follicles ≥3 mm in diameter are associated with low fertility in dairy cows. J Dairy Sci. 95:2355–2361. doi: 10.3168/jds.2011-4325
   PubMed Web of Science ®Google Scholar
• Mulvaney FJ, Kenyon PR, Morris ST, West DM. 2008. Ewe lamb nutrition during pregnancy affects pregnancy outcome. Aust J Exp Agric. 48:1085–1089. doi: 10.1071/EA08078
   Google Scholar
• Mulvaney FJ, Morris ST, Kenyon PR, Morel PCH, West DM. 2010. Effect of nutrition pre-breeding and during pregnancy on breeding performance of ewe lambs. Anim Prod Sci. 50: 953–960. doi: 10.1071/AN10040
   Web of Science ®Google Scholar
• Niswender GD, Juengel JL, Silva PJ, Rollyson MK, McIntush EW. 2000. Mechanisms controlling the function and life span of the corpus luteum. Physiol Rev. 80:1–29.
   PubMed Web of Science ®Google Scholar
• Notter DR. 2008. Genetic aspects of reproduction in sheep. Reprod Domest Anim. 43(Suppl 2):122–128. doi: 10.1111/j.1439-0531.2008.01151.x
   PubMed Web of Science ®Google Scholar
• O’Brien JK, Catt SL, Ireland KA, Maxwell WMC, Evans G. 1997. In vitro and in vivo developmental capacity of oocytes from prepubertal and adult sheep. Theriogenology. 47:1433–1443. doi: 10.1016/S0093-691X(97)00134-9
   PubMed Web of Science ®Google Scholar
• O’Connell AR, Demmers KJ, Smaill B, Reader KL, Juengel JL. 2016. Early embryo loss, morphology, and effect of previous immunization against androstenedione in the ewe. Theriogenology. 86:1285–1293. doi: 10.1016/j.theriogenology.2016.04.069
   PubMed Web of Science ®Google Scholar
• Quinlivan TD, Martin CA, Taylor WB, Cairney IM. 1966. Estimates of pre- and perinatal mortality in the New Zealand Romney Marsh ewe. I. Pre- and perinatal mortality in those ewes that conceived to one service. J Reprod Fert. 11:379–390. doi: 10.1530/jrf.0.0110379
   PubMedGoogle Scholar
• Quirke JF, Hanrahan JP. 1977. Comparison of the survival in the uteri of adult ewes of cleaved ova from adult ewes and ewe lambs. J Reprod Fert. 51:487–489. doi: 10.1530/jrf.0.0510487
   PubMedGoogle Scholar
• Reader KL, Cox NR, Stanton JAL, Juengel JL. 2015. Mitochondria and vesicles differ between adult and prepubertal sheep oocytes during IVM. Reprod Fertil Dev. 27:513–522. doi: 10.1071/RD13359
   PubMed Web of Science ®Google Scholar
• Ridler AL, Vallee E, Corner RA, Kenyon PR, Heuer C. 2015. Factors associated with fetal losses in ewe lambs on a New Zealand sheep farm. N Z Vet J. 63:330–334. doi: 10.1080/00480169.2015.1037813
   PubMed Web of Science ®Google Scholar
• Roh SG, Suzuki Y, Gotoh T, Tatsumi R, Katoh K. 2016. Physiological roles of adipokines, hepatokines, and myokines in ruminants. Asian-Australas J Anim Sci. 29:1–15. doi: 10.5713/ajas.16.0001R
   PubMed Web of Science ®Google Scholar
• Ronayne E, Fitzsimons J, Hanrahan JP, Quirke JF, Roche JF. 1991. Effects of active immunisation of female lambs against androstenedione on LH secretion, onset of puberty and ovulation rate. Anim Reprod Sci. 24:283–292. doi: 10.1016/S0378-4320(05)80011-9
   Web of Science ®Google Scholar
• Rosales Nieto CA, Ferguson MB, Macleay CA, Briegel JR, Martin GB, Thompson AN. 2013a. Selection for superior growth advances the onset of puberty and increases reproductive performance in ewe lambs. Animal. 7:990–997. doi: 10.1017/S1751731113000074
   PubMed Web of Science ®Google Scholar
• Rosales Nieto CA, Ferguson MB, Macleay CA, Briegel JR, Wood DA, Martin GB, Thompson AN. 2013b. Ewe lambs with higher breeding values for growth achieve higher reproductive performance when mated at age 8 months. Theriogenology. 80:427–435. doi: 10.1016/j.theriogenology.2013.05.004
   PubMed Web of Science ®Google Scholar
• Rosales Nieto CA, Ferguson MB, Thompson H, Briegel JR, Macleay CA, Martin GB, Thompson AN. 2015. Relationships among puberty, muscle and fat, and liveweight gain during mating in young female sheep. Reprod Domest Anim. 50:637–642. doi: 10.1111/rda.12542
   PubMed Web of Science ®Google Scholar
• Rowson AR, Daniels KM, Ellis SE, Hovey RC. 2012. Growth and development of the mammary glands of livestock: a veritable barnyard of opportunities. Semin Cell Dev Biol. 23:557–566. doi: 10.1016/j.semcdb.2012.03.018
   PubMed Web of Science ®Google Scholar
• Sawyer HR, Smith P, Heath DA, Juengel JL, Wakefield SJ, McNatty KP. 2002. Formation of ovarian follicles during fetal development in sheep. Biol Reprod. 66:1134–1150. doi: 10.1095/biolreprod66.4.1134
   PubMed Web of Science ®Google Scholar
• Scaramuzzi RJ, Baird DT, Campbell BK, Driancourt MA, Dupont J, Fortune JE, Gilchrist RB, Martin GB, McNatty KP, McNeilly AS, et al. 2011. Regulation of folliculogenesis and the determination of ovulation rate in ruminants. Reprod Fertil Dev. 23:444–467. doi: 10.1071/RD09161
   PubMed Web of Science ®Google Scholar
• Scaramuzzi RJ, Nancarrow CD, Murray JD, Walton JR. 1993. Reproductive wastage in the androstenedione-immune ewe. J Reprod Fert. 98:617–624. doi: 10.1530/jrf.0.0980617
   PubMedGoogle Scholar
• Shorten PR, O’Connell AR, Demmers KJ, Edwards SJ, Cullen NG, Juengel JL. 2013. Effect of age, weight, and sire on embryo and fetal survival in sheep. J Anim Sci. 91:4641–4653. doi: 10.2527/jas.2013-6415
   PubMed Web of Science ®Google Scholar
• Smith JT, Clarke IJ. 2010. Seasonal breeding as a neuroendocrine model for puberty in sheep. Mol Cell Endocrinol. 324:102–109. doi: 10.1016/j.mce.2010.03.007
   PubMed Web of Science ®Google Scholar
• Spencer TE, Gray CA. 2006. Sheep uterine gland knockout (UGKO) model. Methods Mol Med. 121:85–94.
   PubMedGoogle Scholar
• Spencer TE, Hayashi K, Hu J, Carpenter KD. 2005. Comparative developmental biology of the mammalian uterus. Curr Top Dev Biol. 68:85–122. doi: 10.1016/S0070-2153(05)68004-0
   PubMed Web of Science ®Google Scholar
• Spencer TE, Sandra O, Wolf E. 2008. Genes involved in conceptus-endometrial interactions in ruminants: insights from reductionism and thoughts on holistic approaches. Reproduction. 135:165–179. doi: 10.1530/REP-07-0327
   PubMed Web of Science ®Google Scholar
• Statistics New Zealand. 2015. Agricultural production statistics: June 2014 (final). Wellington (New Zealand).
   Google Scholar
• Stellflug JN, Cockett NE, Lewis GS. 2006. Relationship between sexual behavior classifications of rams and lambs sired in a competitive breeding environment. J Anim Sci. 84:463–468. doi: 10.2527/2006.842463x
   PubMed Web of Science ®Google Scholar
• Stevens DR. 2010. On-farm yearling lambing outcomes from feeding practices before mating and during pregnancy. Proc N Z Soc Anim Prod. 70:113–117.
   Google Scholar
• Toe F, Rege JE, Mukasa-Mugerwa E, Tembely S, Anindo D, Baker RL, Lahlou-Kassi A. 2000. Reproductive characteristics of Ethiopian highland sheep. I. Genetic parameters of testicular measurements in ram lambs and relationship with age at puberty in ewe lambs. Small Rumin Res. 36:227–240. doi: 10.1016/S0921-4488(99)00117-0
   PubMed Web of Science ®Google Scholar
• Torres-Rovira L, Gonzalez-Bulnes A, Succu S, Spezzigu A, Manca ME, Leoni GG, Sanna M, Pirino S, Gallus M, Naitana S, Berlinguer F. 2014. Predictive value of antral follicle count and anti-Mullerian hormone for follicle and oocyte developmental competence during the early prepubertal period in a sheep model. Reprod Fertil Dev. 26:1094–1106. doi: 10.1071/RD13190
   PubMed Web of Science ®Google Scholar
• Ungerfeld R. 2007. Socio-sexual signalling and gonadal function: opportunities for reproductive management in domestic ruminants. Soc Reprod Fertil Suppl. 64:207–221.
   PubMedGoogle Scholar
• Valasi I, Chadio S, Fthenakis GC, Amiridis GS. 2012. Management of pre-pubertal small ruminants: physiological basis and clinical approach. Anim Reprod Sci. 130:126–134. doi: 10.1016/j.anireprosci.2012.01.005
   PubMed Web of Science ®Google Scholar
• Vallet JL, McNeel AK, Johnson G, Bazer FW. 2013. Triennial reproduction symposium: limitations in uterine and conceptus physiology that lead to fetal losses. J Anim Sci. 91:3030–3040. doi: 10.2527/jas.2012-6138
   PubMed Web of Science ®Google Scholar
• VanRaden PM, Olson KM, Null DJ, Hutchison JL. 2011. Harmful recessive effects on fertility detected by absence of homozygous haplotypes. J Dairy Sci. 94:6153–6161. doi: 10.3168/jds.2011-4624
   PubMed Web of Science ®Google Scholar
• Walsh SW, Mossa F, Butler ST, Berry DP, Scheetz D, Jimenez-Krassel F, Tempelman RJ, Carter F, Lonergan P, Evans AC, Ireland JJ. 2014. Heritability and impact of environmental effects during pregnancy on antral follicle count in cattle. J Dairy Sci. 97:4503–4511. doi: 10.3168/jds.2013-7758
   PubMed Web of Science ®Google Scholar
• Winuthayanon W, Bernhardt ML, Padilla-Banks E, Myers PH, Edin ML, Lih FB, Hewitt SC, Korach KS, Williams CJ. 2015. Oviductal estrogen receptor α signaling prevents protease-mediated embryo death. eLife. 4:e10453. doi: 10.7554/eLife.10453
   Web of Science ®Google Scholar
• Young EA, Yuan JV, Everett-Hincks JM. 2010. Yearling lambing performance and primary cause of lamb death. Proc N Z Soc Anim Prod. 70:96–100.
   Google Scholar
• Zinedine A, Soriano JM, Molto JC, Manes J. 2007. Review on the toxicity, occurrence, metabolism, detoxification, regulations and intake of zearalenone: an oestrogenic mycotoxin. Food Chem Toxicol. 45:1–18. doi: 10.1016/j.fct.2006.07.030
   PubMed Web of Science ®Google Scholar