Repeat breeding syndrome in dairy cows: is it luckily being solved by itself?

Document Type : Letter to editor


Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran

Main Subjects

Ansari-Lari, M; Kafi, M; Sokhtanlo, M and Ahmadi, HN (2010). Reproductive performance of Holstein dairy cows in Iran. Trop. Anim. Health Prod., 42: 1277-1283.
Armengol, R and Fraile, L (2018). Descriptive study for culling and mortality in five high-producing Spanish dairy cattle farms (2006-2016). Acta Vet. Scand., 60: 1-11.
Bijttebier, J; Coopmans, I; Appel, F; Gailhard, I and Wauters, E (2017). Report on current farm demographics and trends in Europe. D3. 1 Report on current farm demographics and trends. SURE Farm. P: 26.
De Vries, A and Marcondes, MI (2020). Overview of factors affecting productive lifespan of dairy cows. Animal. 14(S1): s155-s164.
Frilay, J; Weragoda, A and Ashton, D (2018). Australian dairy: Financial performance of dairy farms, 2015-16 to 2017-18. Department of Agriculture and Water Resources, the Australian Bureau of Agricultural and Resource Economics and Sciences. P: 28.
Gerber, PJ; Steinfeld, H; Henderson, B; Mottet, A; Opio, C; Dijkman, J; Falcucci, A and Tempio, G (2013). Tackling climate change through livestock: a global assessment of emissions and mitigation opportunities. Rome: FAO. Available from
Golestani, N; Mogheiseh, A and Kafi, M (2018). Prevalence and risk factors of repeat breeder syndrome in Isfahan Holstein cows. Anim. Prod., 20: 389-399.
Jatwani, M and Swain, S (2020). Is small scale dairy farming dying out? An in-depth study. IJCM45: S47.
Jones, N (2020). Characteristics of high performing dairy farms in England. Department for Environment, Food and Rural Affairs (Defra, UK). P: 3.
Kalantari, AS; Mehrabani-Yeganeh, H; Moradi, M; Sanders, AH and De Vries, A (2010). Determining the optimum replacement policy for Holstein dairy herds in Iran. J. Dairy Sci., 93: 2262-2270.
Kimura, S and Sauer, J (2015). Dynamics of dairy farm productivity growth: Cross-country comparison. OECD Food, Agriculture and Fisheries Papers, No. 87, Paris, OECD Publishing.
López-Gatius, F and Garcia-Ispierto, I (2020). Treatment with an elevated dose of the GnRH analogue dephereline in the early luteal phase improves pregnancy rates in repeat-breeder dairy cows. Theriogenology. 155: 12-16.
MacDonald, JM (2020). Scale economies provide advantages to large dairy farms. Amber waves: the economics of food, farming, natural resources, and rural America, 2020 (1490-2020-1431).
Mahnani, A; Sadeghi-Sefidmazgi, A and Cabrera, VE (2015). Consequences and economics of metritis in Iranian Holstein dairy farms. J. Dairy Sci., 98: 6048-6057.
Njuki, E (2022). Sources, trends, and drivers of US dairy productivity and efficiency. Economic Research Report. (No. 1477-2022-676). P: 1.
Yaginuma, H; Funeshima, N; Tanikawa, N; Miyamura, M; Tsuchiya, H; Noguchi, T and Hamano, S (2019). Improvement of fertility in repeat breeder dairy cattle by embryo transfer following artificial insemination: possibility of interferon tau replenishment effect. J. Reprod. Dev., 65: 223-229.