REFERENCES

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The Finnish Landrace breed and their crosses has been the most studied sheep breed in the world over the last quarter century. Here is a list showing a sample of the studies which have been conducted and published. The Maijala article quoted on the Home page summarises 120 such papers from 10 countries.The conclusion of all this research is that 1/2 Finnish Landrace crosses will increase the following traits as compared with the breed being crossed with by the following amounts: percentage of multiple births +328%, Litter weight weaned/ewe weight +125%, lambs born/ewe/year +141%, Lambs slaughtered/ewe/year +139%, lambing difficulty score -87%.


FINNSHEEP REFERENCES:

Barker, J.D., 1975. A field trial of Finnish Landrace rams as sires of crossbred ewes. Anim. Prod. 20: 371-380.

Boylan, W.J., Berger, Y.M. & Allen, C.E., 1976. Carcass merit of Finnsheep crossbred lambs. J. Anim. Sci. 42: 1413-1420.

-, -, & -, 1976. Fatty acid composition of Finnsheep crossbred lamb carcasses. J. Anim. Sci. 42: 1421-1426.

Bradford, G.E., Hart, R., Quirke, J.F. & Land, R.B., 1972. Genetic control of the duration of gestation in sheep. J. Reprod. Fert. 30: 459-4623.

-, - & -, 1971. Natural and induced ovulation rate of Finnish Landrace and other breeds of sheep. Anim. Prod. 13: 627-635.

Cedillo, R.M., Hohenboken, W. & Drummond, J., 1977. Genetic and environmental effects on age at first estrus and on wool and lamb production of crossbred ewe lambs. J. Anim. Sci. 44: 948-957.

Clarke, S.E. & Hohenboken, W.D., 1983. Estimation of repeatability, heritability and breed differences for lamb production. J. Anim. Sci. 56: 309-315.

Cochran, K.P., Notter, D.R. & McClaugherty, F.S., 1984. A comparison of Dorset and Finnish landrace crossbred ewes. J. Anim. Sci. 59: 329.

Dahmen, J.J., Hinman, D.D., Jacobs, J.A. & Everson, D.O., 1978. Wool traits of Panama and Finn x Panama yearling and two-year-old ewes. J. Anim. Sci. 47: 331-335.

-, -, - & -, 1978. Lamb production of Panama and Finn x Panama ewes fed three energy levels. J. Anim. Sci. 47: 336-341.

Dickerson, G.E., 1974. Crossbreeding performance of Finn and domestic (U.S.) breeds of sheep. In Proc. Work. Sump. Breed Eval. and Cross. Exp. with Farm Anim., Zeist, 1974: 421-430.

Dickerson, G.E., 1977. Crossbreeding evaluation of Finnsheep and some US breeds for market lamb production. North Central Regional Pub. No. 249.


-, Crouse, J., Glimp, H.A. & Gregory, K.E., 1974. Carcass traits of market lambs from Finn-cross ewes. J. Anim. Sci. 37: 232 (Abstr.).

-, Glimp, H.A. & Gregory, K.E., 1973. Viability, growth and reproduction of Finnsheep crosses. J. Anim. Sci. 37: 232 (Abstr.).

-, - & -, 1975. Genetic resources for efficient meat production in sheep: preweaning viability and growth of Finnsheep and domestic crossbred lambs. J. Anim. Sci. 41: 43-53.

- & Laster, D.B., 1975. Breed, heterosis and environmental influences on growth and puberty in ewe lambs. J. Anim. Sci. 41: 1-9.

Donald, H.P. & Read, J.L., 1967. The performance of Finnish Landrace sheep in Britain. Anim. Prod. 9: 471-476.

-, - & Russell, W.S., 1968. A comparative trial of crossbred ewes by Finnish Landrace and other sires. Anim. Prod. 10: 413-421.

-, - & -, 1970. Influence of litter size and breed of sire on carcass weight and quality of lambs. Anim. Prod. 12: 281-290.

Dzakuma, J.M., Stritzke, D.J. & Whiteman, J.V., 1982. Fertility and prolificacy of crossbred ewes under two cycles of accelerated lambing. J. Anim. Sci. 54: 213-220.

-, Thomas, D.L., Fields, J.E. & Whiteman, J.V., 1978. Winter and fall lambing performance of crossbred ewes of Finnsheep, Dorset, Rambouillet and Ehite Face Western breeding when mated to purebred or crossbred rams. Misc. Publ. - Oklah. Agric. Exp. Sta. 103: 150-155.

Echternkamp, S.E. & Laster, D.B., 1976. Plasma LH concentrations for prepubertal, postpubertal, anestrus and cyclic ewes of varying fecundity. J. Anim. Sci. 42: 444-447.

Fahmy, M.H., 1983. Maternal performance of DLS sheep and its crosses with the Finn Landrace breed. Vth World Conf. Anim. Prod., Abstr.: 43.

Flanagan, S.P., 1966. Preliminary observation of Finnish Landrace and Texel fleeces. An Foras Taluntais, Anim. Prod. Div., Res. Rep. 1966: 79-80.

-, Hanrahan, J.P. & O’Malley, P., 1978. New sheep breeds raise lamb sales at Blindwell. Farm and Food Research 9: 7-8.

-, - & -, 1979. Prolific ewes increase cash income. Farm and Food Res. 10: 88-90.

Flinn, L.D., Gould, M.B., Whiteman, J.V. & Fields, J.E., 1973. A preliminary evalutation of reproductive performance and further evaluation of growth and carcass characteristics of 1/4 Finnish Landrace lambs. Oklah. State Univ., Agric. Exp. Sta. MP-90: 190-198.

-, 1975. Increased lamb production from Finnsheep-Mutton Merino crossbreds in Israel. Wool Techn. and Sheep Breed. 2: 18-22.

-, Benjamin, R.W., Folman, Y. & Driori, D., 1974. (Crossbreeding Finn rams with German Mutton Merino ewes). Hassadeh 54: 1531-34.

-, Eyal, E., Folman, Y. & Foote, W.C., 1979. Contemporary comparisons between progeny by Finnish Landrace and Romanov rams out of Mutton Merino and Awassi ewes. Livest. Prod. Sci. 6: 283-293.
Hanrahan, J.P., 1974. Crossbreeding studies involving Finnish Landrace and Galway sheep. In Proc. Work. Symp. Breed Eval. Cross. Exp. with Farm Anim, Zeist, 1974: 431-444.

-, Allen, P. & L’Estrange, J.L., 1977. Effect of Finnish Landrace and Galway breeds on carcass composition, fat distribution and fatty acid composition of different fat depots in lambs. In Patterns of Growth and Development in Cattle: A seminar at Ghent 1977. Hague: 277-286.

Hinkelman, L.A., Bradford, G.E., Pollack, E.J., Anderson, G.B. & Cupps, P.T., 1979. An embryo transfer study of birth weight in Finnish Landrace and Targhee sheep. J. Anim. Sci. 48: 298-306.

Hofmeyr, J.H., 1982. Implications of experimental results of crossbreeding Sheep in the Republic of South Africa. Proc. Wrld. Congr. Sheep and Beef Cattle Breeding. Vol. I. Technical.

Hohenboken, W., 1977. Genetic and environmental effects on postweaning growth and carcass merit of crossbred lambs. J. Anim. Sci. 45: 1261.

- & Clarke, S.E., 1981. Genetic, environmental and interaction effects on lamb survival, cumulative lamb production and longevity of crossbred ewes. J. Anim. Sci. 53: 966-976.

Hulet, C.V. & Price, D.A., 1975. Effects of feed, breed and year on pregnancy of ewe lambs. Theriogenology 3: 15-20.

Jakubec, V., 1974. (Comparing the reproductive performance of Finnish Landrace and Romanov sheep in Czechoslovakia). Zivoc. Vyr. 19: 439.

-, 1977. Productivity of crosses based on prolific breeds of sheep. Livest. Prod. Sci. 4: 379-392.

-, Slana, O. & Krizek, J., 1974. Growth intensity of lambs of Mutton Merino breed, fertile breeds and their crosses. Proc. Work. Symp. Bree Eval. Exp. with Farm Anim., Zeist 1974: 445-449.

Jenkins, T.G. & Ford, J.J., 1982. Estrus Characteristics of Finnsheep crossbred and Morlam ewes. J. Anim. Sci. 55: 741-744.

Kneale, W.A., 1974. Early lamb production on an upland farm. Experimental Husbandry 1974, 27: 16-22.

Kriz, A., 1974. (The future of artificial insemination of sheep in Czechoslovakia). Nas Chov 34: 28-30.

Lamberson, W.R. & Thomas, D.L., 1982. Effects of season and breed of sire on incidence of estrus and ovulation rate in sheep. J. Anim. Sci. 54: 533-539.

Land, R.B., 1970. A relationship between the duration of oestrus, ovulation rate and litter size of sheep. J. Reprod. Fert. 23: 49-53.

-, 1974. Physiological studies and genetic selection for sheep fertility. Anim. Breed. Abstr. 42: 155-158.


- & McClelland, T.H., 1971. The performance of Finn-Dorset sheep allowed to mate four times in two years. Anim. Prod. 13: 637-641.

-, Russell, W.S. & Donald, H.P., 1974. The litter size and fertility of Finnish Landrace and Tasmanian Merino sheep and the reciprocal crosses. Anim. Prod. 18: 265-271.

Laster, D.B., Glimp, H.A. & Dickerson, G.E., 1972. Factors affecting reproduction in ewe lambs. J. Anim. Sci. 35: 79-83.

Lawson, R.A.S., 1971. Potential uterine capacity in low, medium and highly fertile breeds of sheep. Vet. Rec. 88: 210.

- & Rowson, L.E.A., 1972. The influence of breed of ewe and offspring on litter size after egg transfer in sheep. J. Reprod. Fert. 28: 433-439.

Levine, J.M. & Hohenboken, W., 1978. Crossbred lamb production from Columbia and Suffolk ewes. I. Ewe production and lamb traits. J. Anim. Sci. 47: 89-96.

Louda, F., Krizek, J., Stole, L. & Reksoprodjo, P., 1978. Semen quality of rams under commercial conditions with regard to fertility. Zivok. Vyr. 23: 423-428.

Lucas, J.R., notter, D.R., McClaugherty, F.S., Anderson, G.W. & Gwazdauskas, F.C., 1983. Breed differences in testicular growth and gonadotropin secretion in prepubertal ram lambs. Theriogenol. 19: 749-758.

McClelland, T.H., Bonaiti, B. & Taylor, St.C.S., 1976. Breed differences in body composition of equally mature sheep. Anim. Prod. 23: 281-289.

Magid, A.F., Swanson, V.B., Brinks, J.S., Dickerson, G.E. & Smith, G.M., 1981. Border Leicester and Finnsheep Crosses. II. Productivity of F1 ewes. J. Anim. Sci. 52: 1262-71.

Maijala, K., 1974. Breed evaluation and crossbreeding in sheep. Proc. Work. Symp. Breed Eval Cross., Zeist, 1974: 389-405.

Maijala, K., 1984. Review of experiences about the use of Finnsheep in improving fertility. Proc. 2nd Wrld. Congr. Sheep and Beef Cattle Breeding.

-, 1980. Experiences of Finnsheep and its crosses as dams for fat lambs. Symp. Intens. Sheep Prod., Proc. (Helsinki): 2-9.

- & Usterberg, Siv, 1977. Productivity of pure Finnsheep in Finland and abroad. Livest. Prod. Sci. 4: 355-377.

Mann, T.J.L., Smith, C., King, J.W.B., Nicholson, D. & Sales, D.I., 1984. Comparison of crossbred ewes from five crossing sire breeds. Anim. Prod. 39: 241.

Meyer, H.H. & Bradford, G.E., 1971. Carcass evaluation of Finnsheep crossbreds. J. Anim. Sci. 33: 203.

- & Timon, V., 1975. A comparison of sheep breeds and crosses for ewe productivity. Irish J. Agric. Res. 14: 285-296.

Nitter, G., 1975. Results of a crossbreeding experiment with sheep for different systems of fat lamb production. I. Reproductive traits. Livest. Prod. Sci. 2: 167-177.


-, 1975. Results of a crossbreeding experiment with sheep for different systems of fat lamb production. II. Growth and carcass traits. Livest. Prod. Sci. 2: 179-190.

-, 1978. Breed utilization for meat production in sheep. Anim. Breed. Abstr. 46: 131-143.

Notter, A.R. & Copenhaver, J.S., 1981. performance of Finnish Landrace crossbred ewes under accelerated lambing. I. Fertility, prolificacy and ewe productivity. J. Anim. Sci. 51: 1033-42.

- & -, 1981. Performance of Finnish Landrace crossbred ewes under accelerated lambing. II. Lamb growth and survival. J. Anim. Sci. 51: 1043-50.

Oltenacu, E.A.B. & Boylan, W.J., 1981. Productivity of purebred and crossbred Finnsheep. I. Reproductive traits of ewes and lamb survival. J. Anim. Sci. 52: 989-997.

- & -, 1981. Productivity of purebred and crossbred Finnsheep. II. Lamb weights and production indicies of ewes. J. Anim. Sci. 52: 998-1006.

Quirke, J.F., 1978. Reproductive performance of Galway, Finnish Landrace and Finn-cross ewe lambs. Irish J. Agric. Res. 17: 25-32.

-, 1978. Onset of puberty and oestrus activity in Galway, Finnish Landrace and Finn-cross ewe lambs during their first breeding season. Ir. J. Agric. Res. 17: 15-23.

Rattray, P.V., Garrett, W.N., Meyer, H.H., Bradford, G.E., East, N. & Hinman, N., 1973. Body and carcass composition of Tarqhee and Finn-Tarqhee lambs. J. Anim. Sci. 37: 892-897.

Reeve, E.C.R. & Robertson, F.W., 1953. Factors affecting multiple births in sheep. Anim. Breed. Abstr. 21: 211-224.

Ryder, M.L. & Wilson, D.T., 1972. Fleece characteristics and postnatal fleece development in Finnish Landrace x Merino sheep. Anim. Prod. 15: 75-84.

Schanbacher, B.D. & Lunstra, D.D., 1976. Seasonal changes in sexual activity and serum levels of LH (luteinizing hormone) and testosterone in Finnish Landrace and Suffolk rams. J. Anim. Sci. 43: 644-650.

Shatskij, A.D. & Gol’tsblat, A.I., 1978. (The use of prolific breeds in crossbreeding of sheep). Vestn. Sel’sk. Nauk., Moscow 6: 106-112.

Shrestha, J.N.B., Peters, H.F. & Heaney, D.P., 1978. Comparison of single-cross lamb from exotic sheep breeds with Suffolk. Can. J. Anim. Sci. 58: 806.

-, - & -, 1982. Growth performance of lambs sired by rams of the East Friesian, Finnish Landrace, Ile-de-France and Suffolk breeds. Can. J. Anim. Sci. 62: 689-697.

Sierra Alfranca, I. & Espejo Diaz, M., 1973. (Preliminary results of the first generation from crossing Aragon ewes with Finnish Landrace rams: Growth and sexual activity). Anales Inst. Nac. Invest. Agr. Ser. Prod. Anim. 4: 111-116.

Smith, C., King, J.W.B., Nicholson, D., Wolf, B.T. & Bampton, P.R., 1979. Performance of crossbreds from a sheep synthetic dam line. Anim. Prod. 29: 1-9.

Southam, E.R., Hulet, C.V. & Botkin, N.P., 1971. Factors influencing reproduction in ewe lambs. J. Anim. Sci. 33: 1282-87.

Speedy, A.W. & FitzSimons, J., 1977. The reproductive performance of Finnish Landrace x Dorset Horn and Border Leicester x Scottish Blackface ewes mated three times in 2 years. Anim. Prod. 24: 189-196.

Steane, T.A., 1980. (Crossing with Finnsheep in the Norwegian sheep husbandry. Results from ram circles). Husdyrforsoksmotet (Norway) 1980: 171-175.

Stritzke, D.J., Whiteman, J.V., Thomas, D.L. & Fields, J.E., 1976. The reproductive performance of young Dorset x Suffolk x, and 3/8 Finnsheep x Rambouillet crossbred ewes mated in August and September. Oklah. St. Univ. Agric. Exp. Sta. MP-96: 112-114.

Terrill, C.E., 1974. Review and application of research on crossbreeding of sheep in North America. Ist World Congr. Genet. appl. Livest. Prod., Proc. I: 765-777.

Thomas, D.L. & Whiteman, J.V., 1979. Effects of substituting Finnsheep and Dorset breeding for Rambouillet breeding. I. Productivity of young, spring-lambing ewes. J. Anim. Sci. 48: 256-264.

- & -, 1979. Effects of substituting Finnsheep and Dorset breeding for Rambouillet breeding. II. Productivity of fall-lambing ewes. J. Anim. Sci. 48: 265-270.

-, -, Fields, J.E. & Stritzke, D.J., 1977. Summer lambing performance of crossbred ewes of Finnsheep, Dorset and Rambouillet breeding when mated to purebred of crossbred rams. Oklah. St. Univ. Agric. Exp. Sta. MP-101: 108-113.



-, -, - & -, 1976. Reproductive performance of crossbred ewes of Finnsheep, Dorset and Rambouillet breeding when lambing in the fall. Oklah. St. Univ. Agric. Exp. Sta., MP-96: 107-111.

-, - & Walters, L.E., 1976. Carcass traits of lambs produced by crossbred dams of Finnsheep, Dorset and Rambouillet breeding and slaughtered at two weights. J. Anim. Sci. 43: 373-379.

Torres-Hernandez, G. & Hohenboken, W., 1979. Genetic and environmental effects on milk production, milk composition and mastitis incidence in crossbred ewes. J. Anim. Sci. 49: 410-417.

Vesley, J.A., 1978. Performance of progeny of Finnish Landrace and Dorset Horn rams mated to ewes of various breeds and crosses. Can. J. Anim. Sci. 58: 399-408.

Visscher, A.H., 1974. A crossbreeding experiment with three breeds of sheep. Proc. Work. Symp. Breed Eval. Cross. Exp., Zeist: 475-491.


-, 1976. A crossbreeding experiment with Finnish landrace, Ile-de-France and Texel. Some preliminary results. Sheep Breeding, Proc. 1976 Intern. Congr., Muresk and perth, W. Austr: 129-138.

Walton, P. & Robertson, H.A., 1974. Reproductive performance of Finnish Landrace ewes mated twice yearly. Can. J. Anim. Sci. 54: 35-40.

Wheeler, A.G., Baird, D.T., Land, R.B. & Scaramuzzi, R.J., 1977. Seasonal variation in oestrus, the secretion of oestrogen and progesterone and LH levels before ovulation in the ewe. J. Repr. Fert. 51: 427-432.

 

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