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| Titel: |
MICROCLIMATIC INFLUENCE AND PRODUCTIVITY OF PIGS WITH RESPECT TO DIFFERENT CONDITIONS OF FATTENING |
| Auteur: |
Vladimir Margeta Gordana Kralik Zoran Škrtić Danica Hanžek |
| Verschenen in: |
Poljoprivreda |
| Paginering: | Jaargang 11 (2005) nr. 2 pagina's 55-61 |
| Jaar: |
2005 |
| Inhoud: |
The aim of this research was to compare productivity traits of two pig genotypes fattened in two different ways, on deep litter and in a conventional way (flat deck), and to determine whether there was microclimatic influence on the productivity traits of fattening pigs. The research was carried out on 57 fattening pigs of both sex, divided into two groups by their housing. Each group consisted of pigs of two genotypes, i.e. three-way crossbreeds of Large White and German Landrace (LW x GL) in the dam line, and of German Landrace and 8Pietrain (P) in the sire line. Pigs were fed ad libitum with isocaloric and isoprotein diets. During the whole experiment, temperature, air moisture, air circulation speed and the content of NH3 and CO2 were measured in pens. No statistically significant differences were recorded with respect to temperature, air moisture, air circulation speed and content of carbon dioxide (CO2) and ammonia (NH3) in the air in pens with deep litter and without it (P>0.05). Pigs housed without deep litter had statistically highly significant (P<0.01) higher final weights than pigs kept on deep litter. Pigs crossed with Pietrain as a terminal breed, kept in pens without deep litter, had statistically significantly higher (P<0.05) average daily gains than pigs of the same genotype kept on deep litter. In the finishing phase of fattening, group of pigs being kept in pens without deep litter had statistically higher average daily gains than pigs kept on deep litter (P<0.05). The way of fattening had statistically highly significant (P<0.001) influence on live weight of pigs in the first, second and fourth fattening phase. Average daily gains in the starting two fattening phases were significantly influenced by the way of fattening. Its influence was very highly significant (P<0.01) in the finishing phase of fattening. Noticeable effect of the genotype was determined only for live weights in the second phase of fattening. Genotype influence was not relevant for other fattening traits. Interaction between way of fattening and genotype did not have any effect on the productivity traits of fattening pigs. |
| Uitgever: |
Faculty of Agriculture in Osijek (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 10 van 11 gevonden artikelen
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