{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T10:16:13Z","timestamp":1790072173822,"version":"4.0.1"},"reference-count":29,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2018,12,26]],"date-time":"2018-12-26T00:00:00Z","timestamp":1545782400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Animal Breeding Genetics"],"published-print":{"date-parts":[[2019,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Female reproductive technologies such as multiple ovulation and embryo transfer (MOET) and juvenile in vitro fertilization and embryo transfer (JIVET) have been shown to accelerate genetic gain by increasing selection intensity and decreasing generation interval. Genomic selection (GS) increases the accuracy of selection of young candidates which can further accelerate genetic gain. Optimal contribution selection (OCS) is an effective method of keeping the rate of inbreeding at a sustainable level while increasing genetic merit. OCS could also be used to selectively and optimally allocate reproductive technologies in mate selection while accounting for their cost. This study uses stochastic simulation to simulate breeding programmes that use a combination of artificial insemination (AI) or natural mating (N), MOET and JIVET with GS. OCS was used to restrict inbreeding to 1.0% increase per generation and also to optimize use of reproductive technologies, considering their effect on genetic gain as well as their cost. Two Australian sheep breeding objectives were used as an example to illustrate the methodology\u2014a terminal sire breeding objective (A) and a dual\u2010purpose self\u2010replacing breeding objective (B). The objective function used for optimization considered genetic merit, constrained inbreeding and cost of technologies where costs were offset by a premium paid to the seedstock breeder investing in female reproductive technologies. The premium was based on the cumulative discounted expression of genetic merit in the progeny of a commercial tier in the breeding programme multiplied by the proportion of that benefit received by the breeder. With breeding objective B, the highest premium of 64% paid to the breeder resulted in the highest allocation of reproductive technologies (4%\u201310% for MOET and 19%\u201354% for JIVET) and hence the highest annual genetic gain. Conversely, breeding objective A, which had a lower dollar value of the breeding objective and a maximum of 5% mating types for JIVET and zero for MOET were optimal, even when highest premiums were paid. This study highlights that the level of investment in breeding technologies to accelerate genetic gain depends on the investment of genetic improvement returned to the breeder per index point gain achieved. It also demonstrates that breeding programmes can be optimized including allocation of reproductive technologies at the individual animal level. Accounting for revenue to the breeder and cost of the technologies can facilitate more practical decision support for beef and sheep breeders.<\/jats:p>","DOI":"10.1111\/jbg.12374","type":"journal-article","created":{"date-parts":[[2018,12,26]],"date-time":"2018-12-26T10:34:25Z","timestamp":1545820465000},"page":"79-90","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Optimizing female allocation to reproductive technologies considering merit, inbreeding and cost in nucleus breeding programmes with genomic selection"],"prefix":"10.1111","volume":"136","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0345-0248","authenticated-orcid":false,"given":"Tom","family":"Granleese","sequence":"first","affiliation":[{"name":"Sheep Cooperative Research Centre Armidale New South Wales Australia"},{"name":"School of Environmental and Rural Science University of New England Armidale New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel A.","family":"Clark","sequence":"additional","affiliation":[{"name":"Sheep Cooperative Research Centre Armidale New South Wales Australia"},{"name":"School of Environmental and Rural Science University of New England Armidale New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brian P.","family":"Kinghorn","sequence":"additional","affiliation":[{"name":"School of Environmental and Rural Science University of New England Armidale New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julius H. J.","family":"van der Werf","sequence":"additional","affiliation":[{"name":"Sheep Cooperative Research Centre Armidale New South Wales Australia"},{"name":"School of Environmental and Rural Science University of New England Armidale New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,12,26]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1071\/R96080"},{"key":"e_1_2_7_3_1","unstructured":"Banks R. G. &Brown D. J.(2014).Animal Genetics and Breeding Unit: Response to AWI Industry Consultation Document.Retrieved fromhttp:\/\/www.wool.com"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1357729800014545"},{"issue":"9","key":"e_1_2_7_5_1","first-page":"1449","article-title":"Genetic parameters for body weight, wool and disease resistance traits in multi\u2010breed Australian meat sheep: 2. Genetic relationships between traits. 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