Avaliação da somatotropina bovina recombinante (rbST) nos não-componentes da carcaça de cabritos de três genótipos

This study was developed with the aim of evaluating recombinant bovine somatotropin (rbST) on non-carcass components of goat kids of three genotypes. It was used 23 male goat kids of three genotypes, being 8 Alpine, 4 ½ Boer + ½ Alpine (½ BA) and 11 ¾ Boer + ¼Alpine (¾ BA), from which 12 received rbST e 11 control. The growth hormone used was the recombinant bovine somatotropin (rbST) and animals of treatment 1 received the hormone in the amount of 0.3 mg/kg live weight, from 45 days, adjusted in intervals of 14 days. Animals of treatment 2 (control) received saline solution in the same dosage and interval. The ½ BA goats presented a higher proportion of external non-carcass components (head, feet and skin) in relation to Alpine goats. Regarding the vital organs, such as lungs, kidneys and spleen, and the non-carcass components blood, internal fat and perinephric fat, Alpine goats presented higher values than ¾ BA goats. The administration of recombinant bovine somatotropin (rbST) did not produce effect on proportions and weight of non-carcass components. Proportions and weight of non-carcass components varied in function of genotypes, although animals were slaughtered at similar live weight.

Análise da sensibilidade dos componentes da equação de Hargreaves - Samani para a região de Bebedouro - SP

The estimation of reference evapotranspiration (ETo) subsidizes the calculations of water consumption in irrigated agriculture. The use of simpler methodologies are common however should be carefully studied. The present study evaluated the sensitivity of the Hargreaves -Samani equation compared to the standard Penman-Monteith -FAO to estimate ETo for the climatic conditions of the Bebedouro-SP region, simulating the effects of increasing and decreasing 5 % in the temperatures, resulting in ten different scenarios (PM -Penman-Montheit -FAO; S0 -original Hargreaves Samani; S1 to S8 -modified Hargreaves Samani). The obtained results of sensitivity, linear regression, accuracy and concordance index, were compared. We concluded that the Hargreaves -Samani equation overestimates the monthly values of the ETo in 13% compared to the standard method. A variation of 5% in maximum and minimum temperatures resulted in errors of up to 1 mm day-1 (monthly average) and this increase is more expressive in maximum temperature.

Rendimentos de carcaça, cortes comerciais e não-componentes da carcaça de cordeiros Santa Inês alimentados com feno de erva-sal e concentrado

This work aimed to evaluate the carcass yields, commercial cuts and non-carcass components of Santa Inês lambs fed with 30, 40, 50 or 60% of oldman saltbush hay with concentrated. Were used 32 castrated lambs at 8 months old and initial body weight of 22 + 1.97kg, housed individually and slaughtered after 60 days of feedlot. The weights of hot and cold carcass decreased linearly with the inclusion of saltbush hay in the diet, however, there was no effect for true carcass yield and commercial cuts: shoulder (19.26%), neck (8.52%) ribs (26.57%) and leg (33.88%). There was a linear decrease for ribeye area and fat thickness when the level of hay in the diet increased. The weights and yields of skin, liver, heart, kidneys with perirenal fat, omental and mesenteric fats decreased linearly with the inclusion of hay in the diet, while the content (%) of gastrointestinal tract increased. The increased proportion of saltbush hay in the diet of lambs provided adequate true carcass yield and commercial cuts, however, reduces the ribeye area and fat thickness, important measurements in the qualitative evaluation of the lamb's carcass.

Caracterização de um latossolo em sistemas agroflorestais e mata com o uso de análise estatística multivariada

Pós-graduação em Agronomia (Ciência do Solo) - FCAV

Componentes principais na seleção de animais em pesquisas experiementais

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Otimização de planos de manutenções de componentes de sistemas de distribuição de energia elétrica centrados em confiabilidade

Pós-graduação em Engenharia Elétrica - FEIS

Aplicabilidade da metodologia ecodesign à produção de calçados femininos

Pós-graduação em Design - FAAC

Componentes agronômicos e índices fisiológicos da mandioca correlacionados ao preparo do solo

Pós-graduação em Agronomia (Agricultura) - FCA

Modelagem dinâmica temporal para a avaliação da disponibilidade hídrica e seus efeitos na sustentabilidade do sistema da sub-bacia do córrego do Boi Branco - SP

Pós-graduação em Agronomia (Irrigação e Drenagem) - FCA

A esfinge de São Luiz do Paraitinga: a (in)sustentabilidade do carnaval

Pós-graduação em Engenharia Mecânica - FEG