Agriculture Reference
In-Depth Information
Table 6.3. Continued
Animal species/
category (animals
per treatment)
Duration (days) or
living span (kg)
Portion in diet (%
or kg)
GM plant/trait
Parameters
Main results
References
Insect protected (Bt,
rootworm), 3 studies;
grazing residues (1) or grain
(2/3)
Growing/fattening
steers (32/50/49)
60/112/102 days
Residues ad
libitum + protein
suppl.
Feed intake, growth,
slaughtering data, meat
quality
No signifi cant effects on
animal yield and meat
quality
Vander Pol et al ., 2005
Insect-protected (Bt 11) maize;
grain
Calves (6)
Age: 2 months
Duration: 3
months
43%
Feed intake, weight gain
No signifi cant differences
Shimada et al ., 2006
Insect-protected (Bt) and
glufosinate (pat)-tolerant
maize; grain
Finishing steers
(20)
109 days
82%
Feed intake, weight gain,
slaughtering data
No signifi cant differences to
growing and slaughtering
data
Huls et al ., 2008
Insect-protected (Bt 176)
maize, grain
Growing/fi nishing
pigs (36)
91 days
70%
Feed intake, growing/
slaughtering data
No signifi cant differences in
growing and slaughtering
data; no tDNA in body
tissues
Reuter et al ., 2002
Glyphosate-tolerant (RR); grain Growing/fi nishing
pigs, 2 studies
(36/40)
22-116; 30-120
kg in studies (1)
and (2)
68/74; 78/82% in
grower/fi nisher
feed
Feed intake, growing and
slaughtering data
No signifi cant effects on
animal performances and
carcass characteristics
Hyun et al ., 2004
Insect protected (Bt,
rootworm); grain
Growing/fi nishing
pigs; 2 studies
(18/40)
(1) 23-117 kg; (2)
30-115 kg
(1) 69/75 in grower
1/2; 79/82 in
fi nishers 1/2;
(2) 65/72/76% in
grower/fi nisher
1/2
Feed intake, growing/
slaughtering data, meat
composition
No signifi cant differences in
growing/slaughtering data
and body composition
Hyun et al ., 2005
Insect-protected (Bt 11) maize,
grain
Weaner/growing/
fi nishing pigs
(60)
17-120 kg (110
days)
70/76% (grower/
fi nisher)
Feed intake, growing,
slaughtering results,
meat quality
No signifi cant differences in
weight gain, higher feed
intake, infl uence on muscle
colour (more intense yellow)
Custodio et al ., 2006
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