Results 1 to 10 of about 125,988 (221)
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.
René Corner-Thomas, Paul R. Kenyon
exaly +5 more sources
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 Lisa Ridler +2 more
exaly +3 more sources
Effect of Breeding Heavier Romney Ewe Lambs at Seven Months of Age on Lamb Production and Efficiency over Their First Three Breeding Seasons [PDF]
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 +3 more sources
Udder skin temperature is related to the ewes’ and lambs’ behaviors at birth in autumn lambing ewes
Frontiers in EthologyThe survival of lambs depends on various factors, including the behavioral traits of both mother and newborn lambs at birth, as well as the ewe’s colostrum production and quality.
Rodolfo Ungerfeld +3 more
doaj +2 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
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
openaire +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
doaj +1 more source
Antioxidants, 2020 The objective of this study was to determine if the combined effect of ewe grazing and the incorporation of sage by-products in the lamb feed enhances the Segureña ewe and lamb antioxidant status.
María J. Jordán +7 more
doaj +1 more source
Animals, 2021 Mammary cistern size was positively correlated with milk yield of mature dairy ewes, but the association in ewe lambs is unknown. This experiment aimed to examine the associations between mammary ultrasound measurements and the milk yield of ewe lambs at
Emmanuelle Haslin +5 more
doaj +1 more source