Contents Farm mammals generally express seasonal variations in their production traits,
thus inducing changing availability of fresh derived animal products (meat, milk and cheese) …

Sheep and goats are produced in a wide range of production systems and climatic
conditions and possess great genetic diversity in reproductive potentials. Mean litter sizes …

ABSTRACT A family-based selection program was initiated at the National Center for Cool
and Cold Water Aquaculture in 2005 to improve resistance to bacterial cold water disease …

A very large majority of farm animals express seasonal variations in their production traits,
thus inducing seasonal availability of fresh derived animal products (meat, milk, cheese and …

Contents Maintenance of high levels of realized fertility (defined as the percentage of ewes
that lamb) and appropriate levels of fecundity are critical for efficient sheep production. The …

Today, sheep farmers in the Western Mediterranean de-season their ewes to achieve
autumnal births. This strategy contrasts sharply with spring lambing further north, and …

The continuous development and application of technology for genetic improvement is a key
element for advancing sheep production in the United States. The US sheep industry has …

Body weights, fecal egg counts (FEC), and packed cell volumes (PCV) of hair sheep and
wool sheep crossbred lambs were compared over 8 weeks following administration of a …

The response to melatonin expression is one way that circadian rhythms of many biological
processes are regulated. To evaluate the relationship between the melatonin receptor 1A …

Genetic improvement in traits associated with seasonal breeding in sheep is challenging
because these traits have low heritabilities, are generally not expressed until late in life, are …