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Efficiency and demographics of a high-yield dairy ewe farm with two managing systems involving five or 10 lambings per year

  • J.-L. Pesantez-Pacheco (a1) (a2), L. Torres-Rovira (a1), F. Hernandez (a3), M. V. Sanz-Fernandez (a1), N. P. Villalobos (a4), A. Heras-Molina (a5), C. Garcia-Contreras (a1), M. Vazquez-Gomez (a5), P. Martinez-Ros (a6), J.-V. Gonzalez-Martin (a5) (a7), A. Gonzalez-Bulnes (a1) and S. Astiz (a1)...


This study assessed milk productivity, demographic characteristics and workload distribution on a single high-yield dairy ewe farm in Spain (Avila, Spain; continental climate, latitude of 40.90 N, altitude of 900 m) over a 7-year period considering a transition from a herd management system involving five lambings per year (5LY) to a system involving 10 lambings per year (10LY). The 5LY system was practiced on the farm from 2010 to 2012 and the 10LY system from 2014 to 2015, with 2009 and 2013 being considered transition years. During this period, 27 415 lactations were recorded from an average of 3746 Lacaune sheep/year. Several productivity parameters were higher in 2014 to 2015 than in 2010 to 2012: milk yield/lactation (370±156 v. 349±185 l), lactation length (218±75 v. 192±75 days) and dry period length (53.5±38.3 v. 69.1±34.8 days) (all P<0.0001). During 2014 to 2015, investment in new lambing facilities was possible, workload was distributed more uniformly throughout the year, workload per worker was smaller, rate of ewe culling was lower (35.39±0.53% v. 42.51±7.51%), ewe longevity was greater and higher-order lactations were more numerous (P<0.0001). On the other hand, during 2010 to 2012, daily production was higher (1.73±1.66 v. 1.70±0.62 l/day; P=0.038), the interlambing period was shorter (283±50 v. 302±44 days; P<0.0001) and lambings/ewe per year were greater (1.42±0.01 v. 1.30±0.01; P<0.05). These results suggest that a 10LY herd management system can be compatible with profitability, productivity and good animal and worker’s welfare on a high-yield dairy farm, and may even be associated with better outcomes than a 5LY system.


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Barillet, F, Boichard, D, Barbat, A, Astruc, JM and Bonaiti, B 1992. Use of an animal model for genetic evaluation of the Lacaune dairy sheep. Livestock Production Science 3–4, 287299.
Billikopf, G 2001. Managing people on the farm. Proceedings of the Library of Congress, Control Number 2001092378, University of California, Agricultural Issues Center. Retrieved on 3 January 2018, from
Caja, G and de Rancourt, M 2002. Situation actuelle et perspectives de la production des ovins laitiers en Espagne. Options Méditerranéennes: Série B. Etudes et Recherches CIHEAM 39, 5766.
DeNicolo, G, Morris, ST, Kenyon, PR, Kemp, PD and Morel, PCH 2008a. Ewe reproduction and lambing performance in a five period mating system. New Zealand Journal of Agricultural Research 51, 397407.
DeNicolo, G, Morris, ST, Kenyon, PR, Kemp, PD and Morel, PCH 2008b. A comparison of two lamb production systems in New Zealand. New Zealand Journal of Agricultural Research 51, 365375.
Duncan, JGS and Black, WJM 1978. A twice-yearly lambing system, using Finnish Landrace×Dorset Horn ewes. Animal Production 26, 301308.
Dwyer, CM, Conington, J, Corbiere, F, Holmoy, IH, Muri, K, Nowak, R, Rooke, J, Vipond, J and Gautier, JM 2016. Invited review: improving neonatal survival in small ruminants: science into practice. Animal 10, 449459.
El-Saied, UM, de la Fuente, LF and Primitivo, FS 2006. Phenotypic study on total and partial lifetime traits for dairy ewes. Journal of Dairy Research 73, 101108.
Elvira, L, Hernandez, F, Cuesta, P, Cano, S, Gonzalez-Martin, JV and Astiz, S 2013a. Accurate mathematical models to describe the lactation curve of Lacaune dairy sheep under intensive management. Animal 7, 10441052.
Elvira, L, Hernandez, F, Cuesta, P, Cano, S, Gonzalez-Martin, JV and Astiz, S 2013b. Factors affecting the lactation curves of intensively managed sheep based on a clustering approach. Journal of Dairy Research 80, 439447.
FAOSTAT 2014. Food and Agriculture data 2014 – livestock in food security Rome, Italy Food and Agriculture Organization of the United Nations (FAO-Statistics FAOSTAT).
Finocchiaro, R, van Kaam, JB, Portolano, B and Misztal, I 2005. Effect of heat stress on production of Mediterranean dairy sheep. Journal of Dairy Science 88, 18551864.
Fogarty, NM and Mulholland, JG 2013. Annual lambing performance of crossbred ewes in out-of-season and accelerated lamb production systems. Animal Production Science 53, 10931100.
Gabiña, D, Arrese, F, Arranz, J and Beltran De Heredia, I 1993. Average milk yields and environmental effects on Latxa sheep. Journal of Dairy Science 76, 11911198.
Gootwine, E and Pollott, GE 2000. Factors affecting milk production in improved Awassi dairy ewes. Animal Science 71, 607615.
Hernandez, F, Elvira, L, Gonzalez-Martin, JV and Astiz, S 2012. Influence of dry period length on reproductive performance and productivity of Lacaune dairy sheep under an intensive management system. Journal of Dairy Research 79, 352360.
Hernandez, F, Elvira, L, Gonzalez-Martin, JV, Gonzalez-Bulnes, A and Astiz, S 2011. Influence of age at first lambing on reproductive and productive performance of Lacaune dairy sheep under an intensive management system. Journal of Dairy Research 78, 160167.
Holmoy, IH, Waage, S, Granquist, EG, L’Abee-Lund, TM, Ersdal, C, Hektoen, L and Sorby, R 2017. Early neonatal lamb mortality: postmortem findings. Animal 11, 295305.
Iniguez, LC, Quaas, RL and Van Vleck, LD 1986. Lambing performance of Morlam and Dorset ewes under accelerated lambing systems. Journal of Animal Science 63, 17691778.
Lewis, RM, Notter, DR, Hogue, DE and Magee, BH 1996. Ewe Fertility in the STAR Accelerated Lambing System. Journal of Animal Science 74, 15111522.
MAPAMA 2016. Agricultural, livestock and fisheries Ministry of Spain. Retrieved on 6 December 2017 from razas-ganaderas/razas/catalogo/union-europea/ovino/lacaune/iframe-ejemplo-arca.aspx.
Marai, IFM, El-Darawany, AA, Abou-Fandoud, EI and Abdel-Hafez, MAM 2009. Egyptian Suffolk ewe traits bred in 3 lambings/2 years system as affected by treatment with selenium in winter, progesterone+BMSG in summer and vitamin A in autumn, under the sub-tropical environment of Egypt. Journal of Cell and Animal Biology 3, 152158.
Menegatos, J, Goulas, C and Kalogiannis, D 2006. The productivity, ovarian and thyroid activity of ewes in an accelerated lambing system in Greece. Small Ruminant Research 65, 209216.
Notter, DR and Copenhaver, JS 1980. Performance of Finnish Landrace crossbred ewes under accelerated lambing. I. Fertility, prolificacy and ewe productivity. Journal of Animal Science 51, 10331042.
Palacín, I, Abecia, JA, Forcada, F, Casao, A, Cebrián, JA, Muiño, T, Palacios, C and Pontes, JM 2008. Effects of exogenous melatonin treatment on out-of-season ram fertility. Italian Journal of Animal Science 7, 199206.
Pollott, GE and Gootwine, E 2004. Reproductive performance and milk production of Assaf sheep in an intensive management system. Journal of Dairy Science 87, 36903703.
Ramírez-Andrade, BR, Salama, AA, Caja, G, Castillo, V, Albanell, E and Such, X 2008. Response to lactation induction differs by season of year and breed of dairy ewes. Journal of Dairy Science 91, 22992306.
Regli, JG 1999. Farm adapted breeds: a panel presentation of flock performance records for Lacaune dairy sheep. Proceedings of the 5th Great Lakes Dairy Sheep Symposium, 4 to 6 November, Brattleboro, VT, USA, pp. 51–54.
Requejo, JA, Martín, S, López, R, Hernández, F and Ruíz Mantecón, A 2011. [Working force management and its influence on the different reproductive systems]. La gestión de la mano de obra y la influencia de los diferentes manejos reproductivos. Tierras 185, 2227.
Ripoll-Bosch, R, Joy, M and Bernues, A 2014. Role of self-sufficiency, productivity and diversification on the economic sustainability of farming systems with autochthonous sheep breeds in less favoured areas in Southern Europe. Animal 8, 12291237.
Robinson, TJ 1980. Programmed year-round sheep breeding. Australian Journal of Experimental Agriculture and Animal Husbandry 20, 667673.
Selvaggi, MA, D‘Alessandro, G and Dario, C 2017. Environmental and genetic factors affecting milk yield and quality in three Italian sheep breeds. Journal of Dairy Research 84, 2731.
Thomas, DL, Berger, YM, McKusick, BC and Mikolayunas, CM 2014. Dairy sheep production research at the University of Wisconsin-Madison, USA – a review. Journal of Animal Science and Biotechnology 5, 112.
Ugarte, E., Ruiz, R and Gabiña, DI 2001. Impact of high-yielding foreign breeds on the Spanish dairy sheep industry. Livestock Production Science 7, 310.
Walton, P and Robertson, HA 1974. Reproductive performance of Finnish Landrace ewes mated twice yearly. Canadian Journal of Animal Science 54, 35.
Zarkawi, M 2011. Response of fat-tailed Syrian Awassi ewes to accelerated lambing systems. Tropical Animal Health and Production 43, 13111318.
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