Attride-Stirling, J. (2001). Thematic networks: an analytic tool for qualitative research. Qualitative Research
Bascom, S. S. & Young, A. J. (1998). A summary of the reasons why farmers cull cows. Journal of Dairy Science
Bellows, D. S., Ott, S. L. & Bellows, R. A. (2002). Review: cost of reproductive diseases and conditions in cattle. The Professional Animal Scientist
Berry, D. P., Wall, E. & Pryce, J. E. (2014). Genetics and genomics of reproductive performance in dairy and beef cattle. Animal
8 (Suppl 1), 105–121.
Blanc, F. & Agabriel, J. (2008). Modelling the reproductive efficiency in a beef cow herd: effect of calving date, bull exposure and body condition at calving on the calving–conception interval and calving distribution. Journal of Agricultural Science (Cambridge) 146, 143–161.
Bourdon, R. M. & Brinks, J. S. (1982). Genetic, environmental and phenotypic relationships among gestation length, birth weight, growth traits and age at first calving in beef cattle. Journal of Animal Science
Brown, L. O., Durham, R. M., Cobb, E. & Knox, J. (1954). An analysis of the components of variance in calving intervals in a range herd of beef cattle. Journal of Animal Science
Burris, M. J. & Blunn, C. T. (1952). Some factors affecting gestation length and birth weight of beef cattle. Journal of Animal Science
Casas, E., Thallman, R. M. & Cundiff, L. V. (2011). Birth and weaning traits in crossbred cattle from Hereford, Angus, Brahman, Boran, Tuli, and Belgian Blue sires. Journal of Animal Science
Casas, E., Thallman, R. M. & Cundiff, L. V. (2012). Birth and weaning traits in crossbred cattle from Hereford, Angus, Norwegian Red, Swedish Red and White, Wagyu, and Friesian sires. Journal of Animal Science
Costa, R. M., Ponsano, E. H. G., De Souza, V. C. & Malafaia, P. (2016). Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens. Tropical Animal Health and Production
Cresswell, E., Brennan, M. L., Barkema, H. W. & Wapenaar, W. (2014). A questionnaire-based survey on the uptake and use of cattle vaccines in the UK. Veterinary Record Open
1, e000042. doi: 10.1136/vropen-2014–000042
Crowe, M. A. (2008). Resumption of ovarian cyclicity in post-partum beef and dairy cows. Reproduction in Domestic Animals
43 (Suppl. 5), 20–28.
Diskin, M. G. & Kenny, D. A. (2016). Managing the reproductive performance of beef cows. Theriogenology
Donoghue, K. A., Rekaya, R., Bertrand, J. K. & Misztal, I. (2004). Threshold-linear analysis of measures of fertility in artificial insemination data and days to calving in beef cattle. Journal of Animal Science
Duponte, M. W. (2007). The Basics of Heat (Estrus) Detection in Cattle. Livestock Management no. 15. Honolulu, HI: University of Hawaii.
Flett, R., Alpass, F., Humphries, S., Massey, C., Morriss, S. & Long, N. (2004). The technology acceptance model and use of technology in New Zealand dairy farming. Agricultural Systems
French, J. M., Moore, G. F., Perry, G. C. & Long, S. E. (1989). Behavioural predictors of oestrus in domestic cattle, Bos taurus
. Animal Behaviour
Gates, M. C. (2013). Evaluating the reproductive performance of British beef and dairy herds using national cattle movement records. Veterinary Record
Givens, M. D. (2006). A clinical, evidence-based approach to infectious causes of infertility in beef cattle. Theriogenology
Givens, M. D. & Marley, M. S. (2008). Pathogens that cause infertility of bulls or transmission via semen. Theriogenology
Grimard, B., Freret, S., Chevallier, A., Pinto, A., Ponsart, C. & Humblot, P. (2006). Genetic and environmental factors influencing first service conception rate and late embryonic/foetal mortality in low fertility dairy herds. Animal Reproduction Science
Guerin, L. J. & Guerin, T. F. (1994). Constraints to the adoption of innovations in agricultural research and environmental management: a review. Australian Journal of Experimental Agriculture
Gutierrez, J. P., Alverez, I., Fernandez, I., Royo, L. J., Diez, J. & Goyache, F. (2002). Genetic relationships between calving date, calving interval, age at first calving and type traits in beef cattle. Livestock Production Science
Herd, D. B. & Sprott, L. R. (1998). Body Condition, Nutrition and Reproduction of Beef Cows. Texas Agricultural Extension Service B-1526. College Station, TX: The texas A&M University System.
Hickson, R. E., Morris, S. T., Kenyon, P. R. & Lopez-Villalobos, N. (2006). Dystocia in beef heifers: a review of genetic and nutritional influences. New Zealand Veterinary Journal
Ingram, J. (2008). Agronomist–farmer knowledge encounters: an analysis of knowledge exchange in the context of best management practices in England. Agriculture and Human Values
Kilpatrick, S. (1996). Change, Training and Farm Profitability: A National Farmers Federation Discussion Paper. National Focus vol. 10. Kingston, Australia: National Farmers Federation.
Kunkle, W. E. & Sand, R. S. (2006). Effect of Body Condition on Rebreeding. Publication no. AS51. Gainesville, FL: University of Florida Extension Service.
Lamb, G. C. (1999). Influence of Nutrition on Reproduction in the Beef Cow Herd. Saint Paul, MN: University of Minnesota.
Laster, D. B., Glimp, H. A., Cundiff, L. V. & Gregory, K. E. (1973). Factors affecting dystocia and the effects of dystocia on subsequent reproduction in beef cattle. Journal of Animal Science
Lewis, T. (1998). Evolution of farm management information systems. Computers and Electronics in Agriculture
Losinger, W. C. & Heinrichs, A. J. (1996). Dairy operation management practices and herd milk production. Journal of Dairy Science
Lowman, B. (2012). Cost/day of an extended calving interval. SRUC/SAC Consulting Sheep and Beef news July 2012, 22.
Lubout, P. C. & Swanepoel, F. J. C. (1992). Consequences of selection for growth in indigenous beef cattle in a stressful environment. Australian Association of Animal Breeding and Genetics
MacGregor, R. G. & Casey, N. H. (2000). The effects of maternal calving date and calving interval on growth performance of beef calves. South African Journal of Animal Science
McCown, R. L. (2002). Changing systems for supporting farmers’ decisions: problems, paradigms, and prospects. Agricultural Systems
Mee, J. F. (2008). Prevalence and risk factors for dystocia in dairy cattle: a review. Veterinary Journal
Melendez, P., Donovan, G. A., Risco, C. A., Littell, R. & Goff, J. P. (2003). Effect of calcium-energy supplements on calving-related disorders, fertility and milk yield during the transition period in cows fed anionic diets. Theriogenology
Meyer, K., Hammond, K., Parnell, P. F., MacKinnon, M. J. & Sivarajasingam, S. (1990). Estimates of heritability and repeatability for reproductive traits in Australian beef cattle. Livestock Production Science
Mokhtari, M. S., Shahrbabak, M. M., Javaremi, A. N. & Rosa, G. J. M. (2015). Genetic relationship between heifers and cows fertility and milk yield traits in first-parity Iranian Holstein dairy cows. Livestock Science
Morrison, D. G., Feazel, J. I., Bagley, C. P. & Blouin, D. C. (1992). Postweaning growth and reproduction of beef heifers exposed to calve at 24 or 30 months of age in spring and fall seasons. Journal of Animal Science
Newman, S., Lynch, T. & Plummer, A. A. (2000). Success and failure of decision support systems: learning as we go. Journal of Animal Science
77 (E-Suppl), 1–12.
Núñez-Domínguez, R., Cundiff, L. V., Dickerson, G. E., Gregory, K. E. & Koch, R. M. (1991). Lifetime production of beef heifers calving first at two vs three years of age. Journal of Animal Science
Olori, V. E., Meuwissen, T. H. E. & Veerkamp, R. F. (2002). Calving interval and survival breeding values as measure of cow fertility in a pasture-based production system with seasonal calving. Journal of Dairy Science
Palmer, C. W. (2011). Evaluating a bull's ability to breed. Limousin Voice Magazine, Winter 2011, 65–66.
Phocas, F. & Laloë, D. (2003). Evaluation models and genetic parameters for calving difficulty in beef cattle. Journal of Animal Science
Powell, J. (2004). Culling the Beef Cow Herd. University of Arkansas Cooperative Extension Service. Fact Sheet # FSA-3092. Fayetteville, AR: University of Arkansas.
Ramsey, R., Doye, D., Ward, C., McGrann, J. M., Falconer, L. L. & Bevers, S. J. (2005). Factors affecting beef cow-herd costs, production, and profits. Journal of Agricultural and Applied Economics
Rao, T. K. S., Kumar, N., Kumar, P., Chaurasia, S. & Patel, N. B. (2013). Heat detection techniques in cattle and buffalo. Veterinary World
Rhone, J. A., Koonawootrittriron, S. & Elzo, M. A. (2008). Record keeping, genetic selection, educational experience and farm management effects on average milk yield per cow, milk fat percentage, bacterial score and bulk tank somatic cell count of dairy farms in the Central region of Thailand. Tropical Animal Health Production
Roche, J. F., Mackey, D. & Diskin, M. D. (2000). Reproductive management of postpartum cows. Animal Reproduction Science
Roelofs, J., López-Gatius, F., Hunter, R. H. F., Van Eerdenburg, F. J. C. M. & Hanzen, Ch. (2010). When is a cow in estrus? Clinical and practical aspects. Theriogenology
Sasaki, Y., Miyake, T., Gaillard, C., Oguni, T., Matsumoto, M., Ito, M., Kurahara, T., Sasae, Y., Fujinaka, K., Ohtagaki, S. & Dougo, T. (2006). Comparison of genetic gains per year for carcass traits among breeding programs in the Japanese Brown and the Japanese Black cattle. Journal of Animal Science
Sayers, R., O'Doherty, E., Bloemhoff, Y. & Byrne, N. (2012). Infectious disease status and links to fertility. Dairy Cow Fertility, Reproductive Performance for Efficient Pasture-Based Systems International Conference (Ed. Dillon, P.), pp. 62–71. Moorepark, Fermoy, Ireland: Teagasc.
Smith, M. F., Pohler, K. G., Perry, G. A. & Patterson, D. (2013). Physiological factors that affect pregnancy rate to artificial insemination in beef cattle. In Proceedings: Applied Reproductive Strategies in Beef Cattle, October 15–16 2013. pp. 33–51. Staunton, VA: Beef Reproduction Task Force. Available from: http://www.appliedreprostrategies.com/01-perma-pages/arsbc2013.html (verified 17 February 2017).
Titterington, F. M., Morrison, S. J., Lively, F. O., Wylie, A. R. G., Gordon, A. W. & Browne, M. R. (2015). An analysis of Northern Ireland farmers’ experiences of using a target-driven beef heifer growth management plan and development of an empirical model leading to the launch of a decision support tool to promote first calving of beef heifers at 24 months. Agricultural Systems
Van Eerdenburg, F. J., Loeffler, H. S. & van Vliet, J. H. (1996). Detection of oestrus in dairy cows: a new approach to an old problem. Veterinary Quarterly
Willock, J., Deary, I. J., McGregor, M. M., Sutherland, A., Edwards-Jones, G., Morgan, O., Dent, B., Grieve, R., Gibson, G. & Austin, E. (1999). Farmers’ attitudes, objectives, behaviors, and personality traits: the Edinburgh study of decision making on farms. Journal of Vocational Behavior
Zaborski, D., Grzesiak, W., Szatkowska, I., Dybus, A., Muszynska, M. & Jedrzejczak, M. (2009). Factors affecting dystocia in cattle. Reproduction in Domestic Animals