slugDifferent energy levels in the diet cause physiological changes in native goats of the Brazilian semi-arid
Journal Title: Journal of Animal Behaviour and Biometeorology - Year 2015, Vol 3, Issue 1
Abstract
The objective was evaluate the physiological parameters of native goats Canindé and Moxotó confined according to the diets containing two energy levels. 24 goats were used, males, with average weight of 15.22±1.76 kg, were randomly distributed in a completely casual design in a 2x2 factorial arrangement (two races and two diets). The experimental diets with higher energy level were evaluated: Diet A (2.7 Mcal of ME/kg DM), formulated with forage:concentrate 35:65; and one with lower energy level: Diet B (2,2Mcal of ME/kg DM) and forage:concentrate 70:30. Physiological parameters were measured on the rectal temperature (RT) and respiratory rate (RR) from 6:00 a.m. to 9:00 p.m. every three hours. The climate variables were taken throughout the experimental period. There were significant differences between breeds and diets for RR, with higher averages of this parameter to animals of the Canindé breed fed with diet of 2,7Mcal of ME/kg of DM. Environmental variables were elevated from12:00 p.m. and 3:00 p.m., however goats of Moxotó and Canindé breed maintained the RT within normal limits, but with na increase in RR. Animals fed the with diet of 2.7 Mcal of ME/kg DM had higher RR and showed up with a high degree of adapt ability to environmental conditions of the region
Authors and Affiliations
Jória Leilane de Albuquerque Paulo ▪ Luana de Fátima Damasceno dos Santos ▪ Dermeval Araújo Furtado ▪ Ariosvaldo Nunes Medeiros ▪ Edilson Paes Saraiva
slugIngestive behavior of crossbred cows (Holstein/Zebu) in rotational grazing on Brachiaria brizantha cv. Marandu
In this study, it was evaluated the ingestive behavior of 10 cows with average weight of 500 kg, 5 years of age and producing a mean of 18 kg of milk/day, which were close to 60 days of lactation. The animals were kep...
slugFarm animals’s cognition and the tests used on its evaluation
Cognition is a set of activities and processes whereby an animal acquires information and develops knowledge. The most common cognitive processes are: memory, categorization, attention, reasoning and language. This p...
slugFeeding patterns, trophic structure and damming rivers effect: studies applied in freshwater environments in the Brazilian semi-arid region
The knowledge of the fish trophic structure has been outstanding for providing relevant information on the functioning of the ecosystem in which they are inserted, mainly in dammed environments of semiarid regions tha...
slugInfrared thermography applied to rhea (Rhea americana)
Infrared thermography is an innovative tool that has been used in several studies involving animal. This tool used to study heat stress, thermoregulation, behavior, disease diagnosis, mainly in the animal production a...
slugImpact of heat stress, nutritional stress and combined (heat and nutritional) stresses on rumen associated fermentation characteristics, histopathology and HSP70 gene expression in goats
A study was conducted to assess the impact of heat stress, nutritional stress and combined stresses (heat and nutritional stress) on rumen fermentation characteristics, histopathology of rumen and rumen HSP70 gene exp...