Glycemic response of poultries in different feeding systems

Abstract

The management of poultry feed is an important welfare promoter and the glycemic index a noninvasive evaluation. The aim was to evaluate the glycemic response of broiler breeders in restricted feeding system, and broilers receiving ad libitum feeding. Two experiments were carried out: I) 39-weekoldbroiler breeders, fed with three sources of fiber, in a completely randomized design in factorial scheme (3 fiber diets x 7 collection periods); and II) broilers, 42 days old, housed in different light systems, in a completely randomized design in factorial design (2 sexes x 2 lighting conditions x 13 collection periods). Blood glucose levels were measured at random collecting one blood drop from foot, with three replicates in each condition and treatment. In broiler breeder different fiber sources had no effect on glycemia, but the period affected circulating glucose levels, presenting a minimum of 184.3 mg dL-1 before feed and, a maximum of 242.5 mg dL-1 four hours after feeding. In broilers, there was a significant effect in glycemia for collection period and for sex, and interaction between lighting conditions and collection period. Further studies are needed to establish reference values to compare blood glucose levels in poultry.

Nutrición animal: Texto de formación universitaria

“…La concentración normal de glucosa sanguínea en los animales se mantiene dentro de estrechos límites, dependiendo de la especie. La figura 9 muestra valores referenciales para animales de granja, con relación al cerdo monogástrico (Pluschke et al, 2018), pollo digástrico (Martinez et al, 2019), camélido trigástrico (Siguas et al, 2007) y vacuno tetragástrico (Lopes et al, 2019). Los primeros valores corresponden a concentraciones antes del consumo de alimento (ayuno) y los segundos a la concentración después de la alimentación.…”

Influence of Cereals on the Production Performance and Biochemical Profile of Broiler Chickens

“…Notably, hypoglycemia is often associated with Spiking Mortality Syndrome in broilers; therefore, blood glucose levels need to be correctly evaluated in clinical diagnosis 27,28 . The blood glucose level of chickens and ducks in the fed state averages between 1,90 and 2,20 g/l 29,30 . Reported values in broiler chickens, however, show considerable variation, even in the basal state, ranging from 1.56 to 3.30 g/l without being attributable to the age of the chickens or the method of blood glucose measurement 31 .…”