The rearing period has a key influence on the later performance of cattle, affecting future
fertility and longevity. Producers usually aim to breed replacement heifers by 15 months to …

A reproductively efficient beef cow herd is fundamental to meeting the protein and
specifically, red meat demand of an ever increasing global population. However, attaining a …

Age at puberty in beef heifers can influence economic efficiency of beef production through
effects on both age at first calving (2 vs. 3+ years of age) and the time of conception of …

Advancing the age at which puberty and subsequent sexual maturation is attained in cattle
is central to the reproductive and economic efficiency of both beef and dairy production …

Increasing longevity of beef cows by decreasing the proportion culled due to reproductive
failure provides an efficient process to rebuild a cow herd and can reduce number of …

This study was conducted to determine the age and liveweight at puberty of 120 crossbred
beef heifers submitted to four diets to achieve predetermined weight gains (kg/day): 0.5 …

The aim of this study was to examine the effect of plane of nutrition between 8 and 13
months of age on reproductive performance of heifers of early (EM; n= 154) or late (LM; n …

Data collected for 10 or more years at the West Central Research and Extension Center,
North Platte, NE (n= 1,104); the Gudmundsen Sandhills Laboratory, Whitman, NE (n …

The aim of the present study was to gain an improved understanding of the relationships
between body weight (BW), body condition (BCS), and metabolic homeostasis, and the …

Despite overall increased production in the last century, it is critical that grazing production
systems focus on improving beef and dairy efficiency to meet current and future global food …