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Desempenho de cordeiras Bergamácia submetidas a dois sistemas de desmama
(2010-09-27)
This study used 26 Bergamasca ewe lambs weaned at 60 days of age and separated into 2 groups - Artificial suckling: 10 ewes separated from their dams 48 hours after delivery and fed with cow's milk; Controlled suckling: ...
Nursing regimens: Effects on body condition, return to postpartum ovarian cyclicity in Santa Ines ewes, and performance of lambs
(2013-08-01)
The effects of nursing regimens on the body condition, onset of ovarian cyclicity postpartum and weaning weight of lambs were assessed in Santa Ines ewes. Thirty-two ewes were blocked according to parity, number of lambs, ...
Evaluation of some reproductive traits of Pelibuey ewes under humid tropical conditions of Mexico
(Brazilian Journal of Animal Science, 2023)
Effect of supplementation of ewes in the final third of gestation on the development of their lambs
(Brazilian Journal of Animal Science, 2022)
Annual characteristics of estrous activity in wool and hair ewe lambs under subtropical conditions
(Universidade de São Paulo (USP), Escola Superior de Agricultura Luiz de Queiroz (ESALQ), 2007-10-01)
Em função do maior interesse pela ovinocultura de corte na região Sudeste do Brasil há necessidade de conhecer melhor o padrão anual da atividade reprodutiva das borregas. Esse estudo avaliou esse padrão anual em borregas ...
Comparison of the susceptibility of Santa Ines and Ile de France ewes to nematode parasitism around parturition and during lactation
(Elsevier B.V., 2004-10-01)
Breeds of sheep with resistance to nematode infection often display a reduced periparturient rise (PPR) in faecal egg counts (FEC) when compared with susceptible sheep. This trial was carried out to compare the resistance ...
Genetic (co)variance components for ratio of lamb weight to ewe metabolic weight as an indicator of ewe efficiency
(2012-02-01)
Data from a multibreed commercial flock located at Mid-West of Brazil, supported by Programa de Melhoramento Genético de Caprinos e Ovinos de Corte (GENECOC), were used to estimate genetic parameters of traits related to ...
Effects of age at slaughter and sire genotype on fatness, muscularity, and the quality of meat from ram lambs born to Romney ewes
(Sir Publishing, 2002-06-01)
Ram lambs (n = 356) born to Romney ewes and sired by a range of straightbred or crossbred sires were evaluated for carcass composition and, for a subsample (n = 236), some meat quality characteristics over a period of 4 ...
The effects of parturition season and suckling mode on the puerperium of santa ines ewes and on the weight gain of lambs
(2013-09-03)
Seventy-seven ewes were randomly divided into groups according to parturition season and suckling mode [Rainy season: continuous (n=14) and controlled (n=13); Dry season: continuous (n=25) and controlled (n=25)]. The ...