Hostname: page-component-cd9895bd7-jkksz Total loading time: 0 Render date: 2024-12-26T18:52:16.592Z Has data issue: false hasContentIssue false

Persistency of lactation in the Improved Valachian breed of sheep

Published online by Cambridge University Press:  27 March 2009

F. Louda
Affiliation:
Faculty of Agronomy, School of Agriculture, Suchdol, Prague, ČSSR
J. M. Doney
Affiliation:
Hill Farming Research Organisation, Bush Estate, Penicuik, Midlothian, Scotland.

Extract

The possibility of using sustained lactation as a maternal character for the enhancement of lamb growth has been suggested by Doney & Peart (1976). Horák & Jakubec (1964) shows that Improved Valachian ewes had a relatively sustained pattern of lactation when lambs were suckled. This breed was developed by cross-breeding between the Texel breed and the original Valachian, a coarsewoolled, mountain breed used to produce milk for cheese. The process of breed development has been described by Laurinčík (1964).

Type
Short Note
Copyright
Copyright © Cambridge University Press 1976

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Čumlivski, B. (1962). (Comparison of the growth intensity of the crossbreeds Fl between Vallach ewes and Texel rams with the Vallach lambs). Pol'nohospodárstvo 9, 4151. (Czech with Russian and English summaries.)Google Scholar
Doney, J. M. & Peart, J. N. (1976). The effect of sustained lactation on intake of solid food and growth rate of lambs. Journal of Agricultural Science, Cambridge 87. (In the Press.)CrossRefGoogle Scholar
Hadjipieris, G., Jones, J. G. W., Wimble, B. H. & Holmes, W. (1966). Studies on feed intake and feed utilization by sheep. II. Utilization of feed by ewes. Journal of Agricultural Science, Cambridge 66, 341–9.CrossRefGoogle Scholar
Horák, F. & Jakubec, V. (1964). (Studies of milk production by sheep during the consolidation period of crossbreeding between Valachian and Texel breeds in 1956–60). Sborník Vysoké školy zemědělské v Brně (3), 521—9. (Czech with Russian and German summaries.)Google Scholar
Kováč, V. & Gajdošík, M. (1964). (Contribution to the study of the influence of a shortened suckling period of lambs on their development.) Sborník Vysokej školy pol'nohospodárskej v Nitre (8), 1925. (Slovak with Russian and English summaries.)Google Scholar
Langlands, J. P. (1973). Milk and herbage intakes by grazing lambs born to Merino ewes and sired by Merino, Border Leicester, Corriedale, Dorset Horn and Southdown rams. Animal Production 16, 285–91.Google Scholar
Laurinčík, J. (1964). (Investigation of the process of consolidation of useful properties and characters in the case of cross-breeding of Valachian sheep.) Vedeckie práce V.Ú.O., Trenčín, 2, 617. (Slovak with Russian and English summaries.)Google Scholar
Louca, A. (1972). The effect of suckling regime on growth rate and lactation performance of the Cyprus Fat-tailed and Chios sheep. Animal Production 15, 53–9.Google Scholar
McCance, J. (1959). The determination of milk yield in the Merino ewe. Australian Journal of Agricultural Research 10, 839–53.CrossRefGoogle Scholar
Patterson, D. S. P. (1963). Some observations on the estimation of non-esterified fatty acid concentrations in cow and sheep plasma. Research in Veterinary Science 4, 230–7.CrossRefGoogle Scholar
Peart, J. N. (1968). Some effects of live weight and body condition on the milk production of Blackface ewes. Journal of Agricultural Science, Cambridge 70, 331–8.CrossRefGoogle Scholar