Results 21 to 30 of about 31,306 (236)
Lamb mortality is a key factor influencing ewe productivity and profitability. The current study investigated risk factors associated with and management practices implemented on sheep farms to reduce lamb mortality.
Dwayne Shiels +5 more
doaj +1 more source
Ewe-lamb bonding behaviours at birth are affected by maternal undernutrition in pregnancy [PDF]
Maternal undernutrition in pregnancy results in low birth-weights and impaired postnatal survival in sheep. Largely anecdotal evidence suggests that the expression of appropriate maternal and neonate behaviours may also be disrupted by undernutrition. In
Alistair B. Lawrence +12 more
core +2 more sources
The effects of first-joining age (7 or 19 months) and genotype on ewe performance when joined to lamb at 2 years, and the performance of their progeny, were evaluated using 424 ewes, representing 3 genotypes: Belclare (Bel), Suffolk × Belclare (Suf × Bel)
Timothy W. J. Keady, James P. Hanrahan
doaj +1 more source
Pasture Feeding in Late Pregnancy Does Not Improve the Performance of Twin-bearing Ewes and Their Lambs [PDF]
The present study evaluated the effect of controlled ryegrass-white clover herbage availability from day 128 until day 142 of pregnancy in comparison to unrestricted availability, on the performance of twin-bearing ewes of varying body condition score ...
R. A. Corner-Thomas +6 more
doaj +1 more source
A NOTE ON MORTALITY OF SOCORRO ISLAND MERINO LAMBS
Background. The Socorro Island Merino sheep constitutes a unique population in the world whose number is reduced to less than a hundred individuals, thus facing an imminent risk of extinction. Objective.
Rafael Julio Macedo Barragán +4 more
doaj +1 more source
The aim of this study was to evaluate the effects of age and breed on the reproductive performance and lamb output of crossbred hill ewes relative to purebred Scottish Blackface (BF).
R.W. Annett +4 more
doaj +1 more source
Effects of melatonin implants in ewe lambs [PDF]
Sixteen pinealectomized and 19 unoperated ewes were exposed to constant light for about 4 weeks before and 4 weeks after lambing. Five ewe lambs born to pinealectomized ewes were implanted s.c. with melatonin sachets and 6 ewe lambs implanted with empty sachets. The 6 ewe lambs born to unoperated dams received empty implants.
D J, Kennaway, T A, Gilmore
openaire +2 more sources
The effect of late pregnancy supplementation of ewes with vitamin E on lamb vigour
The experiment measured lamb responses to supplementation of the pregnant ewe diet with vitamin E above requirement. Crossbred ewes were mated with either Suffolk or Texel rams. Twin-bearing ewes were randomly allocated (approximately 21 months of age at
J.A. Rooke +5 more
doaj +1 more source
Sensory factors involved in mother-young bonding in sheep: a review
The aim of this review is to discuss sensory recognition (olfaction, vision, vocalisation, hearing and direct contact) in relation to the ewe-lamb bond, and the relevance of this information for animal management, considering that sensory recognition ...
P. Mora-Medina +5 more
doaj +1 more source
This study evaluated the reproductive and productivity of local and Dorper crossbred ewes in a community-based management system. We analyzed data collected from 2013 to 2021, taking into account different factors such as dam-breed, location, type of ...
Ayele Abebe +4 more
doaj +1 more source

