Genetic evaluation of littetr traits and viability of desi pigs
By: Kowsigaraj P.
Contributor(s): Rajan M R (Guide).
Material type:
BookPublisher: Mannuthy Department of Animal Breeding and Genetics, College of Veterinary and Animal Sciences 2003DDC classification: 636.082 Online resources: Click here to access online Dissertation note: MVSc Abstract: In a six month study ninety six Desi piglets born in the same period and year
were observed for evaluation of certain litter traits, association of gammaglobulin
with incidence of disease symptoms and morphological differences based on body
measurements. The average birth weight, weaning weight, litter size at birth and
weaning, litter weight at birth and weaning were 0.827 ± 0.020 kg, 6.36 ± 0.156 kg, 8
± 0.520, 6 ± 0.325, 6.621 ± 0.477 kg and 38.160 ± 2.48 kg, respectively. Influence of
different factors on birth and weaning weight were worked out by Least squares
analysis of variance. The pre-weaning mortality was 25.865 ± 3.107 per cent. The
mortality percentage was worked out with respect to birth weight and the causes for
the mortality were recorded based on post mortem findings. Maximum mortality
occurred in piglets with 0.5 kg weight and below at birth. Gastro-enteritis and
pneumonia were found to be the common causes ofpre-weaning mortality.
The body weights and body measurements up to 180 days were recorded at
monthly intervals. The average body weight at sixth month of age was 25.670 ±
0.250 kg. Maximum growth rate was found from the fourth to sixth month. Body
weights and body measurements were positively correlated at all ages. The post-
weaning body weight was most influenced by body length. The total body surface
area of Desi and Large White Yorkshire pigs were computed by dividing the body
into different geometrical figures. Desi pigs excelled the Large White Yorkshire in
surface area per kg body weight and the difference was significant (P<O.OI). Serum
garnmaglobulin was estimated by Zinc Sulphate Turbidity Test and the factors
influencing its level were determined by Least squares analysis of variance. Sire,
litter size and incidence of diarrhoea had significant (P<0.05) association with serum
gammaglobulin level. Serum gammaglobulin level was positively correlated with
post-weaning body weights.
| Item type | Current location | Call number | Status | Date due | Barcode |
|---|---|---|---|---|---|
Theses
|
KAU Central Library, Thrissur Theses | 636.082 KOW/GE (Browse shelf) | Available | 172183 |
Browsing KAU Central Library, Thrissur Shelves , Shelving location: Theses Close shelf browser
MVSc
In a six month study ninety six Desi piglets born in the same period and year
were observed for evaluation of certain litter traits, association of gammaglobulin
with incidence of disease symptoms and morphological differences based on body
measurements. The average birth weight, weaning weight, litter size at birth and
weaning, litter weight at birth and weaning were 0.827 ± 0.020 kg, 6.36 ± 0.156 kg, 8
± 0.520, 6 ± 0.325, 6.621 ± 0.477 kg and 38.160 ± 2.48 kg, respectively. Influence of
different factors on birth and weaning weight were worked out by Least squares
analysis of variance. The pre-weaning mortality was 25.865 ± 3.107 per cent. The
mortality percentage was worked out with respect to birth weight and the causes for
the mortality were recorded based on post mortem findings. Maximum mortality
occurred in piglets with 0.5 kg weight and below at birth. Gastro-enteritis and
pneumonia were found to be the common causes ofpre-weaning mortality.
The body weights and body measurements up to 180 days were recorded at
monthly intervals. The average body weight at sixth month of age was 25.670 ±
0.250 kg. Maximum growth rate was found from the fourth to sixth month. Body
weights and body measurements were positively correlated at all ages. The post-
weaning body weight was most influenced by body length. The total body surface
area of Desi and Large White Yorkshire pigs were computed by dividing the body
into different geometrical figures. Desi pigs excelled the Large White Yorkshire in
surface area per kg body weight and the difference was significant (P
influencing its level were determined by Least squares analysis of variance. Sire,
litter size and incidence of diarrhoea had significant (P<0.05) association with serum
gammaglobulin level. Serum gammaglobulin level was positively correlated with
post-weaning body weights.
There are no comments for this item.