Results 11 to 20 of about 3,714 (196)

The Combined Effect of Mediterranean Shrubland Pasture and the Dietary Administration of Sage By-Products on the Antioxidant Status of Segureña Ewes and Lambs

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, Cristina Martínez-Conesa, Sancho Bañón, Julio Otal, María Quílez, Inmaculada García-Aledo, Pascual Romero-Espinar, Pedro Sánchez-Gómez   +7 more
doaj   +1 more source

Associations among Mammary Ultrasound Measurements, Milk Yield of Non-Dairy Ewe Lambs and the Growth of Their Single Lambs

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, Rene A. Corner-Thomas, Paul R. Kenyon, Sam W. Peterson, Stephen T. Morris, Hugh T. Blair   +5 more
doaj   +1 more source

Effects of grass and maize silage feed value, offering soybean meal with maize silage, and concentrate feed level in late pregnancy, on ewe and lamb performance

Animal, 2021
In many countries, daily herbage accumulation on pasture declines towards zero during the winter period; thus, many pregnant ewes are housed and offered conserved forages supplemented with concentrate prior to parturition.
T.W.J. Keady, J.P. Hanrahan
doaj   +1 more source

Pinealectomy delays puberty in ewe lambs [PDF]

Reproduction, 1985
Summary. 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.
D J, Kennaway, T A, Gilmore, E A, Dunstan   +2 more
openaire   +2 more sources

Plane of nutrition during the rearing phase for replacement ewes of four genotypes: II - effects on performance during first pregnancy and to weaning, and of their progeny

Animal, 2018
Plane of nutrition (PN) offered to ewe replacements during the rearing phase (8 to 17 months) and first pregnancy may affect reproductive and progeny performance when replacements are joined at ~19 months.
T.W.J. Keady, J.P. Hanrahan
doaj   +1 more source

Effects of ewe live weight and age on reproductive performance, lamb growth, and survival in Central Anatolian Merino sheep [PDF]

Archives Animal Breeding, 2015
The aim of this study was to evaluate the effects of premating ewe weight and age on ewe reproductive performance, lamb growth and survival in Central Anatolian Merino (CAM) sheep.
A. H. Aktaş, Ş. Dursun, Ş. Doğan, Z. Kiyma, U. Demirci, İ Halıcı   +5 more
doaj   +1 more source

A Survey of Farm Management Practices Relating to the Risk Factors, Prevalence, and Causes of Lamb Mortality in Ireland

Animals, 2021
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, Jason Loughrey, Cathy M. Dwyer, Kevin Hanrahan, John F. Mee, Timothy W. J. Keady   +5 more
doaj   +1 more source

Pasture Feeding in Late Pregnancy Does Not Improve the Performance of Twin-bearing Ewes and Their Lambs [PDF]

Asian-Australasian Journal of Animal Sciences, 2015
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, P. J. Back, P. R. Kenyon, R. E. Hickson, A. L. Ridler, K. J. Stafford, S. T. Morris   +6 more
doaj   +1 more source

Effects of Age at First Joining and Ewe Genotype on the Performance of Two-Tooth Ewes and That of Their Progeny to Slaughter

Animals, 2022
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

Effects of melatonin implants in ewe lambs [PDF]

Reproduction, 1984
Summary. 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