Results 1 to 10 of about 31,212 (238)
Breeding Ewe Lambs: An Australasian Perspective
Animals, 2022 A number of potential advantages have been identified for breeding ewe lambs at 7 to 9 months of age, including increased lifetime productivity and profitability.
Paul R. Kenyon, Rene A. Corner-Thomas
doaj +3 more sources
Litter Size and Lamb Survivability of Batur Sheep in Upland Areas of Banjarnegara Regency, Indonesia [PDF]
Animal Production: Indonesian Journal of Animal Production, 2011 . The objective of the current study was to find out the litter size and lamb survivability of Batur sheep, and also to identify the effects of ewe parities on litter size and lamb survivability; and the effects of birth type on lamb survivability of ...
A Sodiq, P Yuwono, SA Santosa
doaj +4 more sources
Animals, 2021 The contribution of abortions to the overall mortality of lambs born to maiden (primiparous) ewes in Australia remains unclear. This cohort study aimed to quantify abortion and lamb mortality for ewe lambs and maiden Merino two-tooth ewes. Lamb mortality
Thomas Clune +11 more
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Factors Associated with Mortality of Lambs Born to Ewe Hoggets
Animals, 2022 The reproductive performance of ewe hoggets is poorer than that of mature-age ewes due to production of fewer lambs with poorer survival. Scant data are available on the risk factors for, and causes of, the mortality for lambs born to ewe hoggets, the ...
Anne L. Ridler +5 more
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Animals, 2021 This experiment examined the effect of breeding heavier ewe lambs on lamb production and their efficiency over their first three breeding seasons. Two groups of ewe lambs were bred at seven months of age at an average pre-breeding live weight of either ...
Emmanuelle Haslin +6 more
doaj +1 more source
Animal, 2021 Two ways of reducing the cost of replacements are increasing litter size and number of litters produced; thus, the total weight of lamb carcass output per ewe lifetime. The effects of ewe genotype on the performance of ewes lambing at 1 year and of their
T.W.J. Keady, J.P. Hanrahan
doaj +1 more source
Dosing ewes at lambing time [PDF]
Veterinary Record, 2016 WITH lambing now under way in many regions of the UK, farmers' minds should already be focusing on worm control in both their ewes and lambs for the forthcoming grazing season. This letter serves as a reminder to vets and advisers who should already have established farm health plans for the coming year and have discussed a worm control plan with their
Taylor, Mike +3 more
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A cohort study of the associations between udder conformation, milk somatic cell count, and lamb weight in suckler ewes [PDF]
, 2012 A cohort study of 67 suckler ewes from 1 farm was carried out from January to May 2010 to investigate associations between udder conformation, udder half milk somatic cell count (SCC), and lamb weight. Ewes and lambs were observed at lambing.
A.J. Bradley +21 more
core +3 more sources
Animals, 2021 Currently, 30–43% of New Zealand sheep farmers breed their ewe lambs, but few retain the offspring as replacements for their flock. No difference in lamb production as a yearling among singletons and twins born to ewe lambs and twins born to mature ewes ...
Emma Pettigrew +6 more
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Pinealectomy delays puberty in ewe lambs [PDF]
Reproduction, 1985 Fifteen pinealectomized and 15 unoperated ewes were exposed to constant light for 3 weeks before and 10 weeks after lambing. Fourteen pinealectomized and 15 unoperated ewes were allowed to lamb outdoors. Five ewe lambs born in constant light to the 2 groups of dams were pinealectomized at 10 weeks of age. Ewes and lambs were then returned to the field.
D J, Kennaway +2 more
openaire +2 more sources