3123982 documents found, page 8413 of 312399
Adensamento nutricional em rações de frangas e poedeiras leves
Cavalcante, Lavosier EnéasThe objective of this study was to evaluate the effect of nutritional densification on the diet of pullets and laying hens in the growth and laying phases. Two experiments were carried out. In the experiment I was used 455 pullets from 1 to 17 weeks of life in order to determine the effect of nutritional density on performance. In Experiment II in the laying phase, from 25 to 45 weeks of age, 280 birds were use...
Níveis de proteína no concentrado de vacas mantidas em pastagem de capim Tanzânia
Pinheiro, Jéssica KarenThe objective of this study was to evaluate the effect of protein levels on the concentrate supplementation on the ruminal parameters of cows kept in Tanzania grass pasture, which allowed to make inferences with the ruminal metabolism of lactating cows. In the first study, 4 crossbred Holstein x Gir crossbred cows with mean body weight of 653 ± 47 kg were used, distributed in a 4x4 Latin square experimental des...
Fitossociologia e disponibilidade espacial de forragem em uma área de caatinga ...
Silva, Paulo Sergio Ferreira daThis study aimed to evaluate the spatial distribution of plant species, as well as the availability and chemical composition of the forage in an succession vaatinga area in the Hinterland of Alagoas. The study was conducted in the towns of - Piranhas, Alagoas region of high backcountry. Two collections of material, one for litter and one for herbs and subshrubs was performed. It was undertook a floristc and als...
Modelos matemáticos aplicados a curva de crescimento e deposição de nutrientes ...
Silva, Jordanio Fernandes daThe rapid rate of growth in animals at the beginning of life can be accompanied by several problems of metabolic, skeletal, and may even compromise the life of the animal. And in view of the scarcity of these studies in rabbit breeding, the aim of this article is to evaluate the growth curves of White New Zealand rabbits. For this, we used weekly weighing data of 274 White New Zealand rabbits, with an initial a...
Relações energia: proteína e substituição isoenergética dos macroingredientes d...
Santos, Gilnara Caroliny Araújo dosThe objective of this study was to evaluate the substitution of soybean oil (OLS) or isolated soy protein (PIS), as energy sources of carbohydrates, lipids and proteins in low energy (E) diets, respectively: protein (P) (108 kcal E: 1% P or 2950 kcal EMAn: 27.3% PB), control (128 kcal E: 1% P or 2950 kcal EMAn: 23% PB) or high E: P (128 kcal E: 1% P or 2950 kcal EMAn: 23.0% CP) in the diet of European quails fr...
Efeito de aditivos não-antibióticos na dieta inicial de pintainhos de corte des...
Felix, Laelia Reginae Monte PessoaThe aim of this study was to evaluate the effect of supplementing the initial diet of broiler hatchlings with non- antibiotic additives on Salmonella cecal counts, intestinal morphology and performance after challenge with Salmonella Enteritidis. It was used a fermented compound kind prebiotic (Original XPC, Diamond V) and a phytobiotic based on sanguinarine (Sangrovit, Phytobiotics). A completely randomized ex...
Transferência de calor latente e comportamento termorregulatório de vacas leite...
Santos, Severino Guilherme Caetano Gonçalves dosObjective was to estimate the latent heat transfer and check the time of sun exposure and a preference in orientation of the body relative to the direction of the sun Holstein x Gir dairy cows in confinement regime to heaven open in the brazilian semiarid region. Data were collected in two groups of cows, each consisting of 13 animals each, the first output level cows between 18 and 26 kg milk day-1 (average of...
Uso de L-glutamina e L-ácido glutâmico na dieta de leitões desmamados em ambien...
Silva, Adriano Leite daAimed to through this study to evaluate the influence of the inclusion of L-glutamine and L-glutamic acid in the diet of weaned piglets subjected to different thermal environments (comfort and cold), on performance, physiological variables, organ weights and intestinal morphology. Were used 64 piglets (32 castrated males and 32 females) of Agroceres® commercial line, from 28 to 65 days of age. The animals were ...
Adição de xilanase em diferentes níveis de energia metabolizável em rações para...
Lima, Guilherme SouzaTo evaluate the supplementation of xylanase enzyme in diets containing different levels of metabolizable energy (ME) for broilers 1-44 days on the performance, carcass characteristics, intestinal morphology, bone characteristics and economic viability. Used 2,000 Coob500 broilers distributed in a completely randomized design in a 2x5 factorial arrangement (whether or not the xylanase enzyme and five levels of E...
Ferro quelatado em rações para fêmeas suínas nas fases de gestação e maternidad...
Barros, Carine AraújoThe objective was to evaluate the effects of the supplementation with “on top” chelated Fe in pregnant and lactating swine matrices under the reproductive parameters; concentration of the mineral at the colostrum and milk and it’s implication about the performance and concentration of Fe at the blood of the piglets receiving two kinds of Fe supplementation (intramuscular and oral). 50 hybrid females pregnant of...