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Skin test and tick immune status in susceptible and resistant cattle in Brazil
(2000-12-01)
A cutaneous hypersensitivity test (CHT) was used to correlate host resistance to ticks and type of reaction elicited to unfed larval extract-ULE of the cattle tick Boophilus microplus in European and Indian cattle. Twenty ...
Methane emission and metabolic heat production of Nellore cattle
(2016-01-01)
The aim of this study was to evaluate the methane emission (eCH4, g h-1) of Nellore cattle and to study the relationship with metabolic heat production (q″met, W m-2) and meteorological conditions. The study was conducted ...
Fig tree orchard formation using organic fertilization
(2010-08-31)
The present work aimed at evaluating the effects of cattle manure fertilization on the growth and yield of fig trees. The cultivar 'Roxo de Valinhos' was used. One-, two-, three-and four-year-old trees were treated with ...
Evaluation of respiratory heat loss by evaporation and convection in ruminants
(2016-01-01)
In order to evaluate heat losses in the respiratory tract through convection and evaporation in livestock the aim of this study was used an equations developed from the tracheal dimensions of ruminants based on the theory ...