[1]
|
Livestock in a Balance (2009) Food and Agricultural Organization (FAO).
|
[2]
|
Allaire, F.R., Sterwerf, H.E. and Ludwick, T.M. (1977) Variations in removal reasons and culling rates with age for dairy females. Dairy Science, 60, 254-267. Uhttp://dx.doi.org/10.3168/jds.S0022-0302(77)83862-9U
|
[3]
|
Nahms, N.A. (1996) Dairy management practices. USDA, Washington, DC, 18-21.
|
[4]
|
Loeffler, S.H., de Vries, M.J. and Schukken, Y.H. (1999) The effects of time of disease occurence, milk yield and body condition on fertlity of dairy cows. Dairy Science, 82, 2589-2604. Uhttp://dx.doi.org/10.3168/jds.S0022-0302(99)75514-1U
|
[5]
|
Heinrichs, J. (1996) The importance of heifer raising to a profitable dairy farm. Calf, Heifer and Dairy Profitability National Conference, NRAES, 7425.
|
[6]
|
Magliaro, A.L., Ford, S.A., O’Connor, L., Muller, L.D., Graboski, R. and Kensinger, R.S. (1999) Induced lactation of nonpregnant cows or use of replacement heifers: A profitability comparison. Dairy Science, 82, 19.
|
[7]
|
Kensinger, R.S. (2000) Induced lactation physiology, perception, profitability and propriety. Dairy Science, 83, 23.
|
[8]
|
Magliaro, A.L., Kensinger, R.S., Ford, S.A., O’Connor, M.L., Muller, L.D. and Graboski, R. (2004) Induced lactation in Nonpregnant Cows: Profitability and Response to Bovine Somatotropin. Dairy Science, 87, 3290-3297. Uhttp://dx.doi.org/10.3168/jds.S0022-0302(04)73465-7U
|
[9]
|
Cowie, A.T., Cox, C.P., Folley, S.J., Hosking, Z.D., Naito, M. and Tindal, J.S. (1965) The effects of the duration of treatments with estrogen and progesterone on the hormonal induction of mammary growth and lactation in the goat. Endocrinology, 32, 129-139. Uhttp://dx.doi.org/10.1677/joe.0.0320129U
|
[10]
|
Smith, K.L. and Schanbacher, F.L. (1973) Hormone induced lactation in the bovine. I lactational performance following injections of 17-estradiol and progesterone. Dairy Science, 56, 738. Uhttp://dx.doi.org/10.3168/jds.S0022-0302(73)85243-9U
|
[11]
|
Salama, A.K., Caja, G., Albanell, E., Carne, S., Casals, R. and Such, X. (2007) Mammogenesis and induced lactation with or without Reserpine in nulliparous dairy goats. Dairy Science, 90, 3751-3757. Uhttp://dx.doi.org/10.3168/jds.2007-0039U
|
[12]
|
Body Condition Scoring in Cattle (2000) Department for Environment, Food and Rural Affairs (DEFRA).
|
[13]
|
Collier, R.J., Bauman, D.E. and Hays, R.L. (1977) Effects of reserpine on milk production and serum prolactin of cows hormonally induced into lactation. Dairy Science, 60, 896. Uhttp://dx.doi.org/10.3168/jds.S0022-0302(77)83960-XU
|
[14]
|
Jewel, T. (2000) Artificial induction of lactation in nonbreeder dairy cows. Unpublished Master of Science dissertation, Virginia Polytechnic Institute and State University, Blacksburg.
|
[15]
|
Macrina, A.L., Tozer, P.R. and Kensinger, R.S. (2011) Induced lactation in pubertal heifers: Efficacy, response to bovine somatotropin and profitability. Dairy Science, 94, 1355-1364. Uhttp://dx.doi.org/10.3168/jds.2010-3811U
|
[16]
|
Ageeb, A.G. and Hillers, J.K. (1999) Effect of crossing local Sudanese cattle with British Friesian Bull. Tropical Animal Health and Production, 39, 69-76.
|
[17]
|
Tambi, E.N. (1991) Dairy production in Cameroon: Growth, development, problems and solutions. World Animal Review, 67, 38-48.
|
[18]
|
Ackbarally, N. (2009) Milking profits: In a bid to serve the growing demand, both from ordinary citizens and industry, the governement of Mauritius has been offering generous grants and other inducements to encourage cattle herding and milking. African Business Magazine, 362.
|
[19]
|
Tervit, H.R., Fairclough, R.J., McGowen, L.T., MacKenzie, D.S., Macmillan, K.L. and Peterson, A.J. (1980) Induction of lactation in dry cattle. New Zealand Veterinary Journal, 28, 15. Uhttp://dx.doi.org/10.1080/00480169.1980.34679U
|
[20]
|
Massague, J. and Chen, Y.G. (2000) Controlling TGF-signalling . Genes Development, 14, 627-644.
|
[21]
|
Purup, S., Sejrsen, K., Foldager, J. and Akers, R.M. (1993) Effect of exogenous bovine growth hormone and ovariectomy on prepubertal mammay growth, serum hormones and acute in vitro proliferative rsponse of mammary explants from holstein heifers. Endocrinology, 139, 19-26. Uhttp://dx.doi.org/10.1677/joe.0.1390019U
|
[22]
|
Topper, Y.J. and Freeman, C.S. (1980) Multiple hormone interactions in the developmental biology of the mammary gland. Physiology Review, 60, 1049-1106.
|
[23]
|
Iniguez, L., Hilali, M., Thomas, D.L. and Jesry, G. (2009) Udder measurements and milk production in two Awassi sheep genotypes and their crosses. Dairy Science, 92, 4613-20. Uhttp://dx.doi.org/10.3168/jds.2008-1950U
|
[24]
|
McKusick, B.C., Berger, Y.M. and Thomas, D.L. (1999) Preliminary results: Effects of udder morphology on commercial milk production of East Friesian crossbred ewes. University of Wisconsin, Madison.
|
[25]
|
Gootwine, E., Alef, B. and Gadeesh, S. (1980) Udder conformation and its heritability in the Assaf (Awassi × East Friesian) cross of dairy sheep in Israel. Annual Genetic Selection Animal, 12, 9-13.
|
[26]
|
Mavrogenis, A.P., Papachristoforou, C., Lysandrides, P. and Roushias, A. (1988) Environmental and genetic factors affecting udder characters and milk production in Chios sheep. Genetic Selection and Evolution, 20, 477-488. Uhttp://dx.doi.org/10.1186/1297-9686-20-4-477U
|
[27]
|
Fernandez, G., Baro, J.A., de la Fuente, L.F. and San Primitivo, F. (1997) Genetic parameters for linear udder traits of dairy ewes. Dairy Science, 80, 601-605. Uhttp://dx.doi.org/10.3168/jds.S0022-0302(97)75976-9U
|
[28]
|
Carta, A., Sanna, S.R., Ruda, G. and Casu, S. (1999) Genetic aspects of udder morphology in Sarda primiparaous ewes. In: F. Zervas and Barillet, Eds., Milking and Milk Production of Dairy Sheep and Goats, Wageningen Press, Wageningen, 363-368.
|
[29]
|
Labussiere, J., Dotchewski, D. and Combaud, J.F. (1981) Caracteristiques morphologiques de la mammelle des brebis Lacaune. Methodologie pour l’obtention des donnees. Relations avec l’aptitude a la traite. Annual Zootechnology, 30, 115-136. Uhttp://dx.doi.org/10.1051/animres:19810201U
|
[30]
|
Labussiere, J. (1988) Review of physiological and anatomical factors influencing the milking ability of ewes and the organization of milking. Livestock Production Science, 18, 253-273. Uhttp://dx.doi.org/10.1016/0301-6226(88)90035-8U
|
[31]
|
Fernandez, G., Baro, J.A., de la Fuente, L.F. and San Primitivio, F. (1997) Genetic parameters for linear udder traits of dairy ewes. Journal Dairy Science, 80, 601-605. Uhttp://dx.doi.org/10.3168/jds.S0022-0302(97)75976-9U
|
[32]
|
Rovai, M., Such, X., Piedrafita, J., Caja, G. and Pujol, M.R. (1999) Evolution of mammary morphology traits during lactation and its relationship with milk yield of Manchega and Lacunae dairy sheep. In: F. Zervas and Barillet, Eds., Milking and Milk Production of Dairy Sheep and Goats, Wageningen Press, Wageningen, 95.
|