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7.668  Articles
1 of 768 pages  |  10  records  |  more records»
It was studied the effect of heat stress on productive capacity at ROSS 308 female parents exposed to temperatures of 32-37°C during the day. The hens were reared on the floor, in intensive system. The experimental period was of 3 weeks. The following par... see more

Observations on the production performances were conducted by a lot of 50 heads of ROSS 308 broilers, aiming at development of body weight, changes in feed consumption, average daily gain and specific consumption, from popular to delivery.

Este estudio evaluó diferentes concentraciones de inclusión de betaína suministrada en el agua de bebida para el control del estrés térmico agudo en pollos de engorde de la línea Ross 308 y su efecto sobre los parámetros productivos y el beneficio económi... see more

The objective was to evaluate the effect of stocking density on productive performance, carcass characteristics, productivity, bone development, and profitability of Ross 308 broilers. A completely randomized experimental design with four stocking densiti... see more

The present study was planned to determine the effect of flock age on hatching results and chick quality in Ross 308 broiler parents. For this purpose, the eggs of three different flock age (30, 47, and 59 weeks of age) were used. A total of 450 eggs (50 ... see more

ResumoObjetivou-se descrever a topografia e morfometria do timo em 30 aves domésticas da linhagem Ross 308 AP (AP95), 15 machos e 15 fêmeas, com idade de 14 a 16 semanas e massa corporal média de 2,1 kg e 1,7 kg, respectivamente nos machos e fêmeas. Após ... see more

Few years ago our country start breeding broiler hybrids due to the high growing performances. In our experiment the influence of protein ration level on growing performances and slaughter yield hybrid Ross 308, were performed. The two experimental lots w... see more

Abstract The experiment was conducted to determine the effect of probiotics and thyme essential oil supplemented in the feed mixtures on the carcass parameters of the broiler chickens. Probiotics and thyme essential oil in the percentage of 0.05% was used... see more

There are various researches where during growth period of broilers are used 2 or 4 combined feed (CF) recipes, with different nutritional characteristics, which can cover the chickens need, and which can also satisfy the technical-economical condition. T... see more

1 of 768 pages  |  10  records  |  more records»