A two-year study tested the hypothesis that growth rate interacts with bull exposure to influence age at puberty in heifers. Heifers exposed to sterile bulls and fed to achieve a high growth rate (1.8 lb/day) attained puberty 73 days earlier than heifers
Nelson, Darrell W.
core +1 more source
Fetal muscle development, mesenchymal multipotent cell differentiation, and associated signaling pathways. [PDF]
Du M +7 more
europepmc +1 more source
Preparo de fístula esofágica para recuperação máxima do alimento ingerido. [PDF]
Dez novilhos com peso médio de 220 kg foram fistulados no esôfago, para se avaliar, por meio das fistulas, a percentagem de recuperação do alimento ingerido.
CARVALHO, E. G., EUCLIDES, V. P. B
core
Fecal near infrared spectroscopy to discriminate physiological status in giant pandas. [PDF]
Wiedower EE +5 more
europepmc +1 more source
Effects of Level of Concentrate and Forage Availability on the Performance of Beef Cows Grazing Winter Range [PDF]
Two winter grazing trials were conducted on consecutive years to determine the effect of level of concentrate supplement and amount of forage available on performance of cows grazing dormant winter range.
Johnson, P. S. +3 more
core +2 more sources
The Energy Expenditure of Heifers Grazing Crested Wheatgrass Rangeland in West-Central Utah [PDF]
The free-roaming ruminant requires energy for the demands of vii grazing, traveling and thermoregulation that are not required by its confined counterpart. Literature estimates of these additional costs range from 10 to 170 percent above maintenance. The
Havstad, Kris M.
core +1 more source
NIRS as a tool to determine the nutritional value of native pasture for small ruminants. [PDF]
BOMFIM, M. A. D.
core
Sugar cane (Saccharum officinarum L) silage treated with latobqacillus buchneri or chemical additives on performace of holstein heifers. [PDF]
MARI, L. J. +3 more
core
Voluntary intake of tanzania grass (Panicum maximum) underrotational grazing by lactating cows. [PDF]
AROEIRA, L. J. M. +7 more
core

