Secondary Data (Leaving Cert Agricultural Science): Flashcards
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Secondary data in animal production
Secondary data in animal production
Info already collected by researchers/agencies to analyze animal performance, feed efficiency, product quality
DLG stands for
DLG stands for
Daily live-weight gain
FCR stands for
FCR stands for
Feed conversion rate
DLG formula
DLG formula
rac{ ext{Final live weight} - ext{Initial live weight}}{ ext{Number of days}}
FCR formula
FCR formula
rac{ ext{Total feed intake}}{ ext{Live-weight gain}}
Higher DLG values mean
Higher DLG values mean
Better growth performance/good nutrition & management
Lower FCR values mean
Lower FCR values mean
Better efficiency, more profitable
Evening vs morning milk: fat content
Evening vs morning milk: fat content
4.2% vs 3.7% (evening higher)
Evening vs morning milk: total solids
Evening vs morning milk: total solids
13.02% vs 12.52% (evening higher)
Feed measurement types to check in data
Feed measurement types to check in data
Fresh weight or dry matter basis