IN VITRO AND IN VIVO EVALUATION OF PULSE BYPRODUCTS BASED COMPLETE DIETS ON THE PERFORMANCE OF LACTATING GOATS
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Date
2002
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University of Agricultural Sciences, Dharwad
Abstract
Twenty-five adult lactating Bidri goats were randomly distributed into five
groups consisting of five animals in each group. All groups were fed with ad
libitum complete feed Viz. Mi, M2, M3, M4 and M5 diets which contain 60 : 40, 60
: 40, 50 : 50, 50 : 50 and 60 : 40 concentrate to roughage ratio respectively. The
in vitro digestibility study revealed non significant dry matter digestibility in all
the five diets and the digestibility of remaining proximate principles were found to
be significant (P<0.01). The forage fibre digestibility was significantly (P<0.01
higher in M5 diet. The M5 diet registered significantly (P<0.01) lower rumen
liquor biochemical values. The results of in vivo digestibility trial revealed
significantly (P<0.01) lower DMI in M5 group and significantly (P<0.01) higher
body weight in M4 group. The digestibility of proximate principles were found to
be non-significant. The DCP intake was significantly (P<0.01) higher in M3 and
M4 groups. Where as, TDN intake was significantly (P<0.01) higher in M2, M3
and M4 groups. The NDF, ADF. cellulose and hemicellulose digestibilities were
significantly (P<0.01) higher in M? group. All the five groups have registered
positive nutrient balances. The studied haematobiochemical values of all animals
were well within the normal physiological range. Significantly (P<0.01) higher
milk yield was registered by M3 and M.( groups. Considering overall performance
characteristics and different parameters studied it is concluded that M3 diet which
contains 50:50 concentrate to roughage ratio was found to be economical when
compared to other diets.
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No . of references 62