1 |
Endecott, R. L., R. N. Funston, J. T. Mulliniks, and A. J. Roberts. 2013. Joint Alpharma-Beef Species Symposium: Implications of beef heifer development systems and lifetime productivity. J. Anim. Sci. 91:1329-1335.
DOI
ScienceOn
|
2 |
Arias, R. P., P. J. Gunn, R. P. Lemanager, and S. L. Lake. 2012. Effects of post-AI nutrition on growth performance and fertility of yearling beef heifers. Proceedings, Western Section, American Society of Animal Science. 63:117-121.
|
3 |
AOAC. 2010. Official Methods of Analysis of Official Analytical Chemists, 18th ed. Arlington, VA, USA.
|
4 |
Beef Improvement Federation (BIF). 2010. Guidelines for Uniform Beef Improvement Programs, 9th ed., pp 30. Online Available from: http://www.beefimprovement.org/PDFs/guidelines/Guidelines-9th-Edition.pdf. Accessed November 14, 2012.
|
5 |
Byerley, D. J., R. B. Staigmiller, J. G. Berardinelli, and R. E. Short. 1987. Pregnancy rates of beef heifers bred either on pubertal or third estrus. J. Anim. Sci. 65:645-650.
|
6 |
CHAPS. 2000. Cow Herd Appraisal Performance Software. http://www.chaps2000.com/. Accessed December 15, 2012.
|
7 |
Dhuyvetter, K. C., G. T. Tonsor, and S. Johnson. 2012. Raising beef replacement heifers. In: Kansas State University Farm Management Guide Bulletin MF2566. http://www.ksre.ksu.edu/bookstore/pubs/mf2566.pdf. Accessed June 10, 2013.
|
8 |
Engel, C. L., H. H. Patterson, and G. A. Perry. 2008. Effect of dried corn distillers grains plus solubles compared with soybean hulls, in late gestation heifer diets, on animal and reproductive performance. J. Anim. Sci. 86:1697-1708.
DOI
ScienceOn
|
9 |
Feuz, D. M. 1992. Replacement beef heifer economics: When prices and reproductive performance are uncertain. American Society of Farm Managers and Rural Appraisers 56:61-66.
|
10 |
Fox, D. G., C. J. Sniffen, and J. D. O. Connor. 1988. Adjusting nutrient requirements of beef cattle for animal and environmental variations. J. Anim. Sci. 66:1475-1495.
|
11 |
Freetly, H. C., L. A. Kuehn, and L. V. Cundiff. 2011. Growth curves of crossbred cows sired by Hereford, Angus, Belgian Blue, Brahman, Boran, and Tuli bulls, and the fraction of mature body weight and height at puberty. J. Anim. Sci. 89:2373-2379.
DOI
ScienceOn
|
12 |
Goering, H. K. and P. J. Van Soest. 1970. Forage fiber analyses. Agriculture Handbook No: 379, ARS-USDA, Washington, DC, USA.
|
13 |
Funston, R. N. and G. H. Deutscher. 2004. Comparison of target breeding weight and breeding date for replacement beef heifers and effects on subsequent reproduction and calf performance. J. Anim. Sci. 82:3094-3099.
|
14 |
Funston, R. N. and D. M. Larson. 2011. Heifer development systems: Dry-lot feeding compared with grazing dormant winter forage. J. Anim. Sci. 89:1595-1602.
DOI
ScienceOn
|
15 |
Grings, E. E., R. B. Staigmiller, R. E. Short, R. A. Bellows, and M. D. MacNeil. 1999. Effects of stair-step nutrition and trace mineral supplementation on attainment of puberty in beef heifers of three sire breeds. J. Anim. Sci. 77:810-815.
|
16 |
Kruse, S. G., B. J. Funnell, S. L. Bird, H. P. Dias, S. L. Lake, R. P. Arias, G. A. Perry, O. L. Swanson, E. L. Larimore, and G. A. Bridges. 2013. Influence of post-insemination nutrition on embryonic development in beef heifers. J. Anim. Sci. 91 (E-Suppl. 2):Abst.589:635. http://www.jtmtg.org/jam/2013/abstracts.asp. Accessed September 5, 2014.
|
17 |
North Dakota Farm and Ranch Business Management Education Annual Report, 2012. Beef Replacement Heifers-Average Per Head All Farms. 2012:78.
|
18 |
Larson, D. M., A. S. Cupp, and R. N. Funston. 2011. Heifer development systems: A comparison of grazing winter range or corn residue. J. Anim. Sci. 89:2365-2372.
DOI
ScienceOn
|
19 |
Lesmeister, J. L., P. J. Burfening, and R. L. Blackwell. 1973. Date of first calving in beef cows and subsequent calf production. J. Anim. Sci. 36:1-6.
|
20 |
Lynch, J. M., G. C. Lamb, B. L. Miller, J. E. Minton, R. C. Cochran, and R. T. Brandt. 1996. Timing of gain does not alter puberty and reproductive performance of beef heifers fed a high roughage diet. Proceedings of Cattlemen's Day, 1996. March 1, 1996; Kansas State University, Manhattan, KS, USA. http://krex.k-state.edu/dspace/handle/2097/4844 Accessed September 5, 2014.
|
21 |
Martin, J. L., K. W. Creighton, J. A. Musgrave, T. J. Klopfenstein, R. T. Clark, D. C. Adams, and R. N Funston. 2008. Effect of prebreeding body weight or progestin exposure before breeding on beef heifer performance through the second breeding season. J. Anim. Sci. 86:451-459.
|
22 |
North Dakota Farm and Ranch Business Management Education Annual Report. 2010. Beef Replacement Heifers-Average Per Head All Farms. 2010:81.
|
23 |
North Dakota Farm and Ranch Business Management Education Annual Report, 2011. Beef Replacement Heifers-Average Per Head All Farms. 2011:78.
|
24 |
Patterson, D. J., R. C. Perry, G. H. Kiracofe, R. A. Bellows, R. B. Staigmiller, and L. R. Corah. 1992. Management considerations in heifer development and puberty. J. Anim. Sci. 70:4018-4035.
|
25 |
SAS. 2002. Institute SAS Language and Procedure. Inc. Cary, NC, USA.
|
26 |
Patterson, H. H., D. C. Adams, T. J. Klopfenstein, R. T. Clark, and B. Teichert. 2003. Supplementation to meet metabolizable protein requirements of primiparous beef heifers: II. Pregnancy and economics. J. Anim. Sci. 81:563-570.
|
27 |
Perry, G. A, J. Walker, C. Wright, and K. Olson. 2009. Impact of method of heifer development and post-AI management on reproductive efficiency. Proceedings, Range Beef Cow Symposium XXI. December 1-3, 2009; Casper, WY, USA.
|
28 |
Perry, G. A., B. L. Perry, J. A. Walker, C. L. Wright, R. R. Salverson, and H. H. Patterson. 2013. Evaluation of prior grazing experience on reproductive performance in beef heifers. Prof. Anim. Sci. 29:595-600.
|
29 |
Perry, R. C., L. R. Corah, R. C. Cochran, J. R. Brethour, K. C. Olson, and J. J. Higgins. 1991. Effects of hay quality, breed, and ovarian development on onset of puberty and reproductive performance of beef heifers. J. Prod. Agric. 4:13-18.
DOI
|
30 |
Poland, W. W. and K. A. Ringwall. 2001. Effect of nutritional management for either constant or stair-stepped rates of gain on subsequent breeding performance of beef heifer calves. Proc. West. Sec. Am. Soc. An. Sci. 52:582-586.
|
31 |
Roberts, A. J., T. W. Geary, E. E. Grings, R. C. Waterman, and M. D. MacNeil. 2009. Reproductive performance of heifers offered ad libitum or restricted access to feed for a one hundred forty-day period after weaning. J. Anim. Sci. 87:3043-3052.
DOI
ScienceOn
|
32 |
Short, R. E. and R. A. Bellows. 1971. Relationships among weight gains, age at puberty and reproductive performance in heifers. J. Anim. Sci. 32:127-131.
|
33 |
Tilley, J. M. A. and R. A. Terry. 1963. A two-stage technique for the in vitro digestion of forage crops. Grass Forage Sci. 18:104-111.
DOI
|
34 |
USDA (National Agricultural Statistics Service North Dakota Field Office). 2011. Non-irrigated pasture and hay land, average rental rates and values, North Dakota. 2011. Ag Statistics No. 80: 92.
|
35 |
USDA (Agricultural Marketing Service). 2010. North Dakota Weekly Auction Summary. http://search.ams.usda.gov/mndms/2010/10/SF_LS79620101015.TXT. Accessed October 15, 2011.
|
36 |
USDA (Agricultural Marketing Service). 2011. North Dakota Weekly Auction Summary. http://search.ams.usda.gov/mndms/2011/09/SF_LS79620110930.TXT. Accessed September 30, 2011.
|
37 |
Patterson, H. H., T. R. Clark, R. Salverson, W. Fahsholtz, and T. Line. 2005. Heifer development: Revisiting target weights and management approaches. Proceedings, the Range Beef Cow Symposium XIX. December 6 to 8, 2005; University of South Dakota, Vermillion, SD, USA.
|