Performance and Body Composition in Swine as Affected by Environmental Temperature
Cisneros-Gonzalez, Fernando
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https://hdl.handle.net/2142/83636
Description
Title
Performance and Body Composition in Swine as Affected by Environmental Temperature
Author(s)
Cisneros-Gonzalez, Fernando
Issue Date
1997
Doctoral Committee Chair(s)
Mike Ellis
Department of Study
Animal Sciences
Discipline
Animal Sciences
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Agriculture, Animal Culture and Nutrition
Language
eng
Abstract
In a third experiment graded levels of lysine (.69 to 1.15%) were offered to barrows and gilts raised at either 33 or 26$\sp\circ$C at 23 kg as initial body weight for four weeks. The lysine requirements for daily gain and for feed efficiency were 1.06 and 1.08% for the hot and.93 and 1.12% for the cool conditions respectively. It is concluded that a higher level of lysine is required to enhance daily gain in hot conditions, as compared to cool conditions. However, the requirements of lysine for feed efficiency were similar between both environments.
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