Three groups of ewe lambs born in May (experiment 1; n= 211) or April (experiment 2; n=
174) were used to evaluate the effects of selection line and induction of estrus on pregnancy …

Stressors, such as poor body condition, adverse temperatures or even common
management procedures (eg, transport or shearing) suppress normal oestrus behaviour and …

An investigation was conducted to compare late embryonic losses in ewe lambs and ewes
and to determine the effect of inducing embryonic mortality on day 15 of pregnancy on …

Contents Antagonistic relationship between milk yield and reproduction is reported in
several livestock species. This study aimed to investigate whether genetic merit for milk …

Simple Summary Pre-breeding management of rams and their ram lambs is critical for
viable, sustainable and profitable farms. A further understanding of the management and …

Simple Summary The conditions and management practices imposed during mating can
influence the success of a sheep production enterprise. However, the impact of mating …

This investigation was designed to assess reproductive improvement in Barki ewes using
different hormonal protocols. Seventy-five non-pregnant and non-lactating Barki ewes were …

A ewe that is mated as a juvenile (producing a lamb at 1 year of age) will produce an
average of only 0.6 lambs to weaning, compared to an average of 1.2 lambs in adult ewes …

To evaluate the ewe reproductive performances of three Iranian local sheep breeds, namely
Moghani, Chal and Zel, 27 rams and 473 ewes were used as the foundation flock in a …

Contents The aim of the present study was to investigate the effect of breeding season [late
spring (LSP) vs winter (WIN)] on reproductive performances, foetal development and …