Journal of Food, Agriculture and Environment

Vol 9, Issue 2,2011
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Impact of environmental temperature on estrus induction in gilts


Ramona Caliopi Untaru 1, Nicolae Păcală 2, Ioan Petroman 1

Recieved Date: 2011-01-04, Accepted Date: 2011-04-07


Environment is one of the factors that can highly influence gilts estrus. Depending on the environmental temperature inside the barn, gilts can show estrus in different proportions. Also, environmental temperature is strongly negatively correlated to gilts estrus (correlation coefficient is -0.7488). Synchronizing estrus by using hormonal products is an efficient biotechnical measure that contributes to reduce the non-productive days. When the temperature reaches 29°C in the first two days after P. G. 600 administration, the proportion of gilts showing estrus is low. In the period when the environmental temperature was between 21°C and 24°C, the proportion of gilts in estrus was very high, thus being considered thermal comfort area.


Gilts, estrus, induction, synchronization, environmental, temperature, P. G. 600, comfort, thermal, stress

Journal: Journal of Food, Agriculture and Environment
Year: 2011
Volume: 9
Issue: 2
Category: Agriculture
Pages: 230-231

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