The objectives in this work were to study the association between the morphological and productive characteristics in Pennisetum sp. clones, and to identify the morphological characteristics responsible for the productivity in Pennisetum cp. clones. The canonical correlations were evaluated and the path analysis was made from the simple genotypic correlation matrix between the morphological and productive characteristics of eight Pennisetum sp. clones (Taiwan A-146 2.37, Taiwan A-146 2.27, Taiwan-146 2.114, Merker México MX 6.31, Mott, HV-241, Elefante B and IRI-381). […]

The carcass and meat characteristics were assessed of Devon steers finished in feedlot (CONF), temperate pasture ( ryegrass pasture – Lolium multiflorum Lam -PTEM), or tropical pasture (association of millet pasture – Pennisetum americanum (L.) Leeke and Alexander grass – Brachiaria plantaginea –PTRO). At the beginning of finishing the average weight of the steers was 320 kg and the age was 15 months. The animals in feedlot were fed feeds with 60:40 roughage:concentrate and slaughtered with similar weights of 388.3; […]

The experiment was carried out to study structural and morphologic characteristics of five Pennisetum sp. genotypes (CE 08 A.D., Venezuela, HV-241, Elephant B and Hexaplóide) under grazing during the dry period in Pernambuco Forest Zone. Genotypes were managed under rotational stocking (44 days of resting and four days of grazing period). The experimental design was randomized blocks in a split plot arrangement, and four replications. The genotypes represented the plots, and grazing cycles, the subplots. There was variation in the […]

Two experiments were conducted to evaluate the effects of microbial enzymes on weight gain, feed intake and feed: gain ratio. In the first trial, 288 chicks from 8-21 days old were assigned to a complete randomized design with a 2 x 2 fatorial arrangement: meal (soybean meal + sorghum and soybean meal + millet) and with or without multi-enzymatic complex (MC), with four replications of 18 bird per experimental unit. Diets were formulated to contain the same levels of metabolizable […]

The degradation kinetics, effective degradability (ED) of dry matter (DM), neutral detergent fiber (NDF), and crude protein (CP) with or without correction for microbial protein were evaluated from black oat, Mombaça, star grass and millet, taken from pastures at a continuous grazing. The forage was collected from different points of pasture every 14 days for black oat and every 28 days for the other grasses. The feeds were incubated in the rumen using nylon bag at different times (0, 6, […]

Aiming to evaluate the effects of including millet (Pennisetum americanum) in diets for piavuçu, Leporinus macrocephalus, were utilized 240 fingerlings with initial weight of 1.38±0.03g, distributed in randomized blocks with six treatments (0.00; 6.00; 12.00; 18.00; 24.00 and 30.00% of millet in diets) and five replicates, in 30 net ponds (120L) installed in five cement abestos tanks (1,000L), with eight animals in each net ponds. There was no effect of millet inclusion on the final weight, weight gain, apparent alimentary […]

The performance, during the summer of beef steers grazing elephantgrass (Pennisetum purpureum Schum.), alexandergrass (Brachiaria plantaginea (Link) Hitchc), sorghum (Sorghum bicolor (L.) Moench) and millet (Pennisetum americanum (L.) Leeke) was evaluated. The grazing period for the elephantgrass occurred from 12/04/93 until 04/26/94, and for the other grasses occurred from 01/04/94 until 04/12/94. The total period of grazing was of 143 days for the elephantgrass and of 98 days for the other pastures. The continuous grazing system with variable stocking rate […]

Two metabolism assays were carried out in order to evaluate the aparent metabolizable energy (AME) and true metabolizable energy (TME) values of 11 feedstuffs (corn and corn byproducts and of the millet samples) by using the traditional method of excreta collection with growing chickens and the forced feeding method, by using adult cockerels (Sibbald method). In the first assay, 540 male Hubbard chickens fed the experimental diets in four replicates with ten birds in each experimental unit and the basal […]

The digestibility coefficients and thetrue digestible amino acids contents of corn and corn byproducts were determined by using cecectomized adult cockerels. Each one of the 11 feedstuffs evaluated was fed to six cockerels, consuming 15 g at 8a.m. and 15 g at 4p.m. after fastening by 24 hours. Simultaneously, six cockerels were fasted to determine metabolic and endogenous losses. After determination of the digestibility coefficients and calculation of the digestible amino acids, prediction equations were simulated to predict the corn […]

The objective was to evaluate the forage yield and chemical composition of millet and Tanzania grass, the first one as a companion crop, in the formation of the Panicum maximum Jacq. cv. Tanzania I pasture, as well as the viability of the use of this practice. The evaluated treatments were four seed mixture combinations based on sowing density of 8 kg/ha of Tanzania grass/millet (08/00; 05/03; 04/04 and 03/05 kg/ha) and three cutting frequencies (three cuttings – 40, 70 and […]