Reproductive Performance of Friesian-Holstein Cows at Sebele Research Station in South Eastern Botswana
Subject Areas : Camelاُ.ر. مادیبلا 1 , و. ماهابیل 2
1 - Department of Animal Science and Production, Botswana College of Agriculture, Gaborone, Botswana
2 - Department of Agricultural Research, Sebele Research Station, Gaborone, Botswana
Keywords: سن در نخستین زایش, نرخ گوسالهزایی, وزن گوسالهزایی, روزهای باز, کاهش تولید مثل,
Abstract :
Ageeb A.G. and Hayes J.F. (2000).Reproductive responses of Holstein-Friesian cattle to the climatic conditions of central Sudan. Trop. Anim. Health Prod. 32, 233-243.
APRU. (1981). Animal Production Research Unit. Livestock and range research in Botswana. Government Printers. Gaborone, Botswana.
Ansari-Lari M., Kafi M., Sokhtanlo M. And Ahmdi H.N. (2010).Reproductive performance of Holstein dairy cows in Iran. Trop. Anim. Health Prod. 42, 1277-1283.
Avendano-Reyes L., Fuquay J.W., Moore R.B., Lui Z., Clark B.L. and Vierhout C. (2010).Relationships between accumulated heat stress during the dry period, body condition score and reproduction parameters of Holstein cows in tropical conditions. Trop. Anim. Health Prod. 42, 265-273.
Butler W.R., Calaman J.J. and Beam S.W. (1996).Plasma and milk urea nitrogen in relation to pregnancy rate in lactating dairy cattle. J. Anim. Sci. 74, 858-865.
Canfield R.W., Sniffen C.J. and Butler W.R. (1990). Effects of excess degradable protein on postpartum reproduction and energy balance in dairy cattle. J. Dairy Sci. 73, 2342-2349.
Evans R.D., Wallace M., Garrick D.J., Dillon P., Berry D.P. and Olori V. (2006).Effects of calving age, breed fraction and month of calving on calving interval and survival across parities in Irish spring-calving dairy cows. Livest. Sci. 100, 216-230.
De Rensis F. and Scaramuzzi R.J. (2003). Heat stress and seasonal effects on reproduction in dairy cow: a review. Theriogenology. 60, 1139-1151.
Gwaza D.S., Okwori A.I., Abu A.H. and Fombah E.M. (2011).A retrospective study on reproductive and dairy performance of Holstein-Friesian on zero grazing in the western highlands regions of Cameroon. Livest. Rural Dev.Available at:
Grohn Y.T. and Rajala-Schultz P.J. (2000).Epidemiology of reproductive performance in dairy cows. Anim. Reprod. Sci. 60, 605-614.
Fekadu A., Kassa T. and Belehu K. (2011). Study on reproductive performance of Holstein-Friesian dairy cows at Alage Dairy Farm, Rift Valley of Ethiopia. Trop. Anim. Health Prod. 43, 581-586.
Frickle P.M. (2004). Strategies for optimizing reproductive management of dairy heifers. Adv. Dairy Technol. 16, 163-176.
Heinrichs A.J. (1996). Nutrition and management of replacement cattle. Anim. Feed Sci. Technol. 59, 155-166.
Kadzere C.T., Murphy M.R., Silanikove N. and Maltz E. (2002).Heat stress in lactating dairy cows: a review. Livest. Prod. Sci. 77, 59-91.
Kenny D.A., Boland M.P., Diskin M.G. and Sreenan J.M. (2001). Effect of pasture crude protein and fermentable energy supplementation on blood metabolite and progesterone concentrations and embryo survival in heifers. Anim. Sci. 73, 501-511.
Löf E., Gustafsson N. and EmanuelsonU. (2007). Association between herd characteristics and reproductive efficiency in dairy herds. J. Dairy Sci. 90, 4897-4907.
LourensD.C. (1995). A comparative observational study on the reproductive performance of dairy cows with metritis and normal cows. South African J. Anim. Sci. 25, 21-25.
Lucy M.C. (2001). Reproductive physiology and management of high-yielding dairy cattle. Pp. 120-127 in Proc. Soc. Anim. Prod. New Zealand.
Madibela O.R., Sykes A.R., Nicol A.M. and Logan C.M. (2008). There is no evidence of impairment of reproductive function of dairy cows on spring pasture during mating in New Zealand (NZ). Pp. 4 in Proc. Br. Soc. Anim. Sci. Annu. Meet. Scarbough, England.
Madibela O.R., Mahabile W. and Boitumelo W. (2005). Effects of sorghum stover as replacement basal diet on milk yield, live weight and dry matter intake of Friesian cows in Botswana. J. Anim. Vet. Adv. 4, 197-201.
Moran J. (2005).Tropical Dairy Farming: Feeding Management for Small Holder Dairy Farmers in the Humid Tropics. Landlinks Press, Australia.
Muller C.J.C. and Botha J.A. (2000). Growth parameters of Holstein-Friesian heifers reared on complete diets containing different roughages. South AfricaJ. Anim. Sci. 30, 121-127.
Ordonez A., Parinson T.J., Mathew C., Holmes C.W., Miller R.D., Lopez-Villalobos N., Burke J. and Brookes I. (2007). Effects of application in spring of urea fertilizer on aspects of reproductive performance of pasture-fed dairy cows. New Zealand Vet. J. 55, 69-76.
SAS Institute. (1990). SAS®/STAT Software, Release 6. SAS Institute, Inc., Cary, NC. USA.
Soydan E., Ocak N. and Onder H. (2009). Conception of Jersey cattle in Turkey. Trop. Anim. Health Prod. 41, 623-628.
St Pierre N.R. and Harvey W.R. (1986). Incorporation of uncertainty in composition of feeds into least-cost ration models: 2. Joint-chance constrained programming. J. Dairy Sci. 69, 3063-3073.
Tadesse M., Thiengtham T., Pinyopummin A. and Prasanpanich S. (2011). Productive and reproductive performance of Holstein Friesian dairy cows in Ethiopia. Livest. Res. Rural Dev. Available at:
Tamminga S. (2006).The effect of the supply of rumen degradable protein and metabolisable protein on negative energy balance and fertility in dairy cows. Anim. Reprod. Sci. 96, 227-239.
Washburn S.P., Silvia W.J., Brown C.H., McDaniel B.T. and McAllister A.J. (2002). Trends in reproductive performance in south-eastern Holstein and Jersey DHI herds. J. Dairy Sci. 85, 244-251.