Now showing items 1-10 of 348
Transrectal ultrasonography in measurement of uterine diameter in ewe lambs after progestagens stimulus
Medroxyprogesterone acetate or long-acting progesterone in the biostimulation of lambs
The aim of this study was to evaluate the response of prepubertal ewe lambs to exogenous administration of either medroxyprogesterone acetate (MAP) or long-acting progesterone (LAP) together with biostimulation. Two Pool ...
Reproductive and productive performances of Santa Ins ewes submitted to breeding in different periods of the Amazonian humid tropical climate
The objective of this study was to evaluate the reproductive and productive performance of Santa Ins ewes bred at different times of the year in humid tropical climate. One hundred and forty-eight Santa Ins ewes were grouped ...
Desempenho de cordeiras Bergamácia submetidas a dois sistemas de desmama
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
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, ...
Produção e composição do leite de ovelhas de diferentes grupos genéticos, desempenho e terminação de cordeiros ao pé-da-mãe em pastagem cultivada
(Universidade Federal de Santa MariaBRZootecniaUFSMPrograma de Pós-Graduação em Zootecnia, 2012-02-16)
This study was carried out in order to evaluate the milk yield and composition from ewes of two genetic groups, as well as the influence of milk yield on performance, carcass characteristics and live weight components of ...
Mammary artery Doppler ultrasonography of Brazilian Bergamasca dairy ewe lambs under the influence of two different feeding plans
Blood supply of mammary gland is extremely important, since it is a crucial factor in the mammary tissue development. The objective of this study was to describe and assess main mammary artery hemodynamic characteristics ...
Ram-induced oestrus and ovulation in lactating and weaned Corriedale ewes
(Cambridge University Press, 2010-05)
Two experiments were conducted in consecutive years in which recently (Experiment 1) or temporarily (Experiment 2) weaned ewes and matched post-partum non-lactating flockmates (DRY) were exposed to a stimulus group of rams ...