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Filtering by: Subject Heifers -- Development

Creep-feeding to stimulate metabolic imprinting in nursing beef heifers : impacts on heifer growth, reproductive, and physiological parameters

Creator:

De Meireles Reis, Maria

Abstract:

The following experiment presented herein compared growth, physiological, and reproductive responses of beef heifers with (MI) or without (CON) access to a creep-feeder, as a manner to stimulate metabolic imprinting while nursing their dams. On d 0 of the experiment, 60 Angus × Hereford heifers were ranked by initial BW...

Resource Type:

Masters Thesis

Full Text:

heifer development cannot be recovered if heifers do not conceive and remain productive in the herd
Puberty development and reproductive performance in beef heifers fed rations supplemented with Oregon by-product feeds

Creator:

Oswald, Keely E.

Abstract:

In the majority of management scenarios, it is imperative that beef replacement heifers calve at two years of age. In order to achieve this goal, yearling heifers should reach 60 to 65% of their mature body weight by 13 months of age. Feed costs represent 75 to 80% of the...

Resource Type:

Masters Thesis

Full Text:

beef prices, it takes at least three live calves before the heifer development period is paid
Impacts of Stocking Density on Development and Puberty Attainment of Replacement Beef Heifers

Creator:

Schubach, Kelsey M.

Abstract:

The following experiment presented herein compared growth, physical activity, stress-related responses, and puberty attainment in heifers reared on high- (HIDENS) or low-stocking densities (LOWDENS). Sixty Angus x Hereford heifers were ranked by age and BW (210 ± 2 d and 220 ± 2 kg, respectively) on d 0, and assigned...

Resource Type:

Masters Thesis

Full Text:

.Importance of replacement heifer development………………..... 1.1.Timing of puberty attainment. ……………………..……… 2