Effect of live weight pre- and post-lambing on milk production of East Friesian sheep

References

• Abdelsayed M, Thomson PC, Raadsma HW. 2015. A review of the genetic and non-genetic factors affecting extended lactation in pasture-based dairy systems. Anim Prod Sci. 55:949–966.
   Google Scholar
• Agenas S, Burstedt E, Holtenius K. 2003. Effect of feeding intensity during the dry period. 1. Feed intake, body weight and milk production. J Dairy Sci. 86:870–882.
   PubMed Web of Science ®Google Scholar
• Alqaisi O. 2007. Reproductive performance and lactation yield of local Awassi, Improved Awassi and Afec-Awassi ewes under contemporary comparison on Al-Khanasry station in Jordan [Thesis]. University of Hohenheim.
   Google Scholar
• Angeles-Hernandez JC, Albarran-Portillo B, Gomez-Gonzalez AV, Pescador-Salas N, Gonzalez-Ronquillo M. 2013. Comparison of mathematical models applied to f1 dairy sheep lactations in organic farm and environmental factors affecting lactation curve parameter. Asian-Australasian J Anim Sci. 26:1119–1126.
   PubMed Web of Science ®Google Scholar
• Angeles-Hernandez JC, Ortega OAC, Perez AHR, Gonzalez-Ronquillo M. 2014. Effects of crossbreeding on milk production and composition in dairy sheep under organic management. Anim Prod Sci. 54:1641–1645.
   Google Scholar
• Barillet F, Marie C, Jacquin M, Lagriffoul G, Astruc JM. 2001. The French Lacaune dairy sheep breed: use in France and abroad in the last 40 years. Livest Prod Sci. 71:17–29.
   Google Scholar
• Bauman DE, Currie WB. 1980. Partitioning of nutrients during pregnancy and lactation: a review of mechanisms involving homeostasis and homeorhesis. J Dairy Sci. 63:1514–1529.
   PubMed Web of Science ®Google Scholar
• Berry DP, Buckley F, Dillon P. 2007. Body condition score and live-weight effects on milk production in Irish Holstein-Friesian dairy cows. Animal. 1:1351–1359.
   PubMed Web of Science ®Google Scholar
• Butorovic N. 2015. Meteorological summary year 2014 “Jorge C. Schythe” Station. An del Inst la Patagon; p. 43.
   Google Scholar
• Cannas A. 2004a. Feeding of lactating ewes. In: Pulina G, Bencini R, editors. Dairy sheep nutrition. Oxford (UK): CABI Publishing; p. 79–108.
   Google Scholar
• Cannas A, 2004b. Energy and protein requirements. In: P, G, B. R editors. Dairy sheep nutrition. Oxford (UK): CABI Publishing; p. 31–49.
   Google Scholar
• Carta A, Macciotta N, Cappio-Borlino A, Sanna SR. 2001. Modelling phenotypic (co)variances of test day records in dairy ewe. Livest Prod Sci. 69:9–16.
   Google Scholar
• Charismiadou MA, Bizelis JA, Rogdakis E. 2000. Metabolic changes during the perinatal period in dairy sheep in relation to level of nutrition and breed. I. Late pregnancy. J Anim Physiol Anim Nutr. 84:61–72.
   Web of Science ®Google Scholar
• Dag B, Keskin I, Mikailsoy F. 2005. Application of different models to the lactation curves of unimproved Awassi ewes in Turkey. S Afr J Anim Sci. 35:238–243.
   Web of Science ®Google Scholar
• Dickerson G. 1970. Efficiency of animal production-molding the biological components. J Anim Sci. 30:848–859.
   Web of Science ®Google Scholar
• Dimauro C, Atzori AS, Pulina G. 2011. Assessing and optimazing the performance of a mechanistic mathematical model of the sheep mammary gland. In: Sauvant D, M, JV, F, P, F. N, editors. Modelling nutrient digestion and utilisation in farm animals. Wageningen (The Netherlands): Wageningen Academic Publishers; p. 72–82.
   Google Scholar
• Fahmy MH, Shrestha JNB. 2011. Sheep breeds. In: Fuquay JW, Fox PF, McSweeney PLH, editors. Encyclopedia of dairy sciences. London (UK): Elsevier; p. 325–339.
   Google Scholar
• Godfrey RW, Gray ML, Collins JR. 1997. Lamb growth and milk production of hair and wool sheep in a semi-arid tropical environment. Small Rumin Res. 24:77–83.
   Web of Science ®Google Scholar
• Gootwine E. 2011. Mini review: breeding Awassi and Assaf sheep for diverse management conditions. Trop Anim Health Prod. 43:1289–1296.
   PubMed Web of Science ®Google Scholar
• Gootwine E, Goot H. 1996. Lamb and milk production of Awassi and East Friesian sheep and their crosses under a mediterranean environment. Small Rumin Res. 20:255–260.
   Web of Science ®Google Scholar
• Gootwine E, Pollott GE. 2000. Factors affecting milk production in improved Awassi dairy ewes. Anim Sci. 71:807–815.
   Google Scholar
• Haenlein GFW, Wendorff WL. 2006. Sheep milk. In: Park YW, Haenlein GFW, editors. Handbook of Milk of Non-Bovine Mammals. Victoria: Blackwell Publishing; p. 137–194.
   Google Scholar
• Hansen LB, Cole JB, Marx GD, Seykora AJ. 1999. Productive life and reasons for disposal of Holstein cows selected for large versus small body size. J Dairy Sci. 82:795–801.
   PubMed Web of Science ®Google Scholar
• Harville DA, Henderson CR. 1966. Interrelationships among age, body weight, and production traits during first lactations of dairy cattle. J Dairy Sci. 49:1254–1261.
   Web of Science ®Google Scholar
• Hunter TE, Suster D, DiGiacomo K, Cummins LJ, Dunshea FR, Egan AR, Leury BJ. 2015. Milk production and body composition of single-bearing East Friesian × Romney and Border Leicester × Merino ewes. Small Rumin Res. 131:123–129.
   Web of Science ®Google Scholar
• ICAR. 2016. Recording guidelines. Int Comm Anim Rec. 59–75.
   Google Scholar
• Ingvartsen KL, Friggens NC, Faverdin P. 1999. Food intake regulation in late pregnancy and early lactation. Metab Stress Dairy Cows. 24:37–54.
   Google Scholar
• Laporte-Broux B, Duvaux-Ponter C, Roussel S, Promp J, Chavatte-Palmer P, Ponter AA. 2011. Restricted feeding of goats during the last third of gestation modifies both metabolic parameters and behaviour. Livest Sci. 138:74–88.
   Web of Science ®Google Scholar
• Louca A, Mavrogenis A, Lawlor MJ. 1974. Effects of plane of nutrition in late pregnancy on lamb birth weight and milk yield in early lactation of Chios and Awassi sheep. Anim Prod. 19:341–349.
   Google Scholar
• Mavrogenis AP, Hancock J, Louca A. 1980. The effect of body-weight changes during pregnancy and lactation on the performance of three breeds of sheep. J Agric Sci. 95:357–363.
   Web of Science ®Google Scholar
• Mavrogenis AP, Papachristoforou C. 2000. Genetic and phenotypic relationships between milk production and body weight in Chios sheep and Damascus goats. Livest Prod Sci. 67:81–87.
   Google Scholar
• Mayer E, Liebich HG, Arbitman R, Hagemeister H, Dirksen G. 1986. Nutritionally-induced changes in the rumenal papillae and in their capacity to absorb short chain fatty acids in high producing dairy cows. Paper presented at Proceedings of the 14th World Congress on Diseases of Cattle; p. 806–817.
   Google Scholar
• Mckusick BC, Thomas DL, Berger YM. 2001. Effect of weaning system on commercial milk production and lamb growth of East Friesian dairy sheep. J Dairy Sci. 84:1660–1668.
   PubMed Web of Science ®Google Scholar
• Mellor DJ, Murray L. 1985. Effects of maternal nutrition on udder development during late pregnancy and on colostrum production in Scottish Blackface ewes with twin lambs. Res Vet Sci. 39:230–234.
   PubMed Web of Science ®Google Scholar
• Neville TL, Meyer AM, Reyaz A, Borowicz PB, Redmer DA, Reynolds LP, Caton JS, Vonnahme KA. 2013. Mammary gland growth and vascularity at parturition and during lactation in primiparous ewes fed differing levels of selenium and nutritional plane during gestation. J Anim Sci Biotechnol. 4:6.
   PubMed Web of Science ®Google Scholar
• Paten AM, Duncan EJ, Pain SJ, Peterson SW, Kenyon PR, Blair HT, Dearden PK. 2015. Functional development of the adult ovine mammary gland-insights from gene expression profiling. BMC Genomics. 16:748.
   PubMed Web of Science ®Google Scholar
• Paten AM, Pain SJ, Peterson SW, Blair HT, Kenyon PR, Dearden PK, Duncan EJ. 2014. Identification of reference genes for RT-qPCR in ovine mammary tissue during late pregnancy and lactation and in response to maternal nutritional programming. Physiol. Genomics. 46:560–570.
   PubMed Web of Science ®Google Scholar
• Pollott GE. 2000. A biological approach to lactation curve analysis for milk yield. J Dairy Sci. 83:2448–2458.
   PubMed Web of Science ®Google Scholar
• Ruiz R, Oregui LM, Herrero M. 2000. Comparison of models for describing the lactation curve of latxa sheep and an analysis of factors affecting milk yield. J Dairy Sci. 83:2709–2719.
   PubMed Web of Science ®Google Scholar
• Sahlu T, Hart SP, Le-Trong T, Jia Z, Dawson L, Gipson T, Teh TH. 1995. Influence of prepartum protein and energy concentrations for dairy goats during pregnancy and early lactation. J Dairy Sci. 78:378–387.
   PubMed Web of Science ®Google Scholar
• SAS Institute. 2002. Statistical analysis systems user’s guide. SAS Cary, NC.
   Google Scholar
• Sieber M, Freeman AE, Kelley DH. 1988. Relationships between body measurements, body weight, and productivity in Holstein dairy cows. J Dairy Sci. 71:3437–3445.
   Web of Science ®Google Scholar
• Swanson TJ, Hammer CJ, Luther JS, Carlson DB, Taylor JB, Redmer DA, Neville TL, Reed JJ, Reynolds LP, Caton JS, et al. 2008. Effects of gestational plane of nutrition and selenium supplementation on mammary development and colostrum quality in pregnant ewe lambs. J Anim Sci. 86:2415–2423.
   PubMed Web of Science ®Google Scholar
• van der Linden DS, Kenyon PR, Blair HT, Lopez-Villalobos N, Jenkinson CMC, Peterson SW, Mackenzie DDS. 2009. Effects of ewe size and nutrition on fetal mammary gland development and lactational performance of offspring at their first lactation. J Anim Sci. 87:3944–3954.
   PubMed Web of Science ®Google Scholar
• Veerkamp RF. 1998. Selection for economic efficiency of dairy cattle using information on live weight and feed intake: a review. J Dairy Sci. 81:1109–1119.
   PubMed Web of Science ®Google Scholar
• Veerkamp RF, Koenen EPC. 1999. Genetics of food intake, live weight, condition score and energy balance. Metab Stress Dairy Cows. 24:63–73.
   Google Scholar
• Veerkamp RF, Thompson R. 1999. A covariance function for feed intake, live weight, and milk yield estimated using a random regression model. J Dairy Sci. 82:1565–1573.
   PubMed Web of Science ®Google Scholar