Fattening of Improved Jezersko-Solčava weaned lambs with different diets
Kulcsszavak:
lambs, fattening, diet, daily gainAbsztrakt
The study was performed in a stable of Educational and Research Animal Husbandry Centre in Logatec. Thirty-five weaned Improved Jezersko-Solčava lambs, 16 females and 19 males, were included in the experiment. At the beginning of the study, lambs were on average 129 days (4.3 months) old and weighted on average 25.6 kg. Lambs were divided into four dietary groups by eight to nine lambs per group. Group I was fed with hay I and second harvest in the ratio 40:60 and 650 g of concentrate per lamb. Group II was fed with hay I and second harvest in the ratio 40:60, without concentrate. Group III was fed with hay II and supplemented with 650 g of concentrate per lamb, and group IV was fed only with hay II. Mineral-vitamin mixture and water were available to lambs ad libitum. The experiment lasted 40 days. Lambs were weighted every 10 days. Hay, second harvest, and concentrate offered to lambs were weighted every day. Data were analysed using SAS software. The statistical model included group (diet), sex, and birth weight. The average daily gains were: 196 g for Group I, 130 g for Group II, 169 g for Group 3, and 50 g for Group 4. The difference in the average daily gain among four groups of the lambs was statistically significant (P < 0.001). We can conclude that diet influenced the average daily gain of the weaned lambs.
Hivatkozások
Babnik D., Verbič J., Žnidaršič T. (2001). Ocenjevanje energijske vrednosti mrve. Zbornik Biotehniške fakultete Univerze v Ljubljani, Kmetijstvo (Zootehnika). 78. 2. 137–149.
Cividini, A., Kompan, D., Žgur, S. (2007). The effect of production system and weaning on lamb carcass traits and meat characteristics of autochthonous Jezersko-Solčava breed. Poljoprivreda. 13. 145–149.
Dabiri, N., Thonney, M. L. (2004). Source of supplemental protein for growing lambs. Journal of Animal Science. 82. 11. 3237–3244. https://doi.org/10.2527/2004.82113237x
Haddad, S. G., Nasr, R. E., Muwalla, M. M. (2001). Optimum dietary crude protein level for finishing Awassi lambs. Small Ruminant Research. 39. 1. 41–46. https://doi.org/10.1016/S0921-4488(00)00172-3
Hosseini, S. M., Akbary, S. M., Maheri-Sis, N., Aghsaghali, A. M. (2008). Effect of different energy levels of diet on feed efficiency, growth rate and carcass characteristics of fattening Bahmaei lambs. Journal of Animal and Veterinary Advances. 7. 1551–1554.
Kaya, I., Ünal, Y., Sahin, T., Elmali, D. (2009). Effect of different protein levels on fattening performance, digestibility and rumen parameters in finishing lambs. Journal of Animal and Veterinary Advances. 8. 309–312.
Kompan, D., Erjavec, E., Kastelic, D., Kavčič, S., Kermauner, A., Rogelj, I., Vidrih, T. (1996). Reja drobnice. ČZD Kmečki glas, Ljubljana, 309 p.
National Research Council (1985). Nutrient requirements of sheep. 6th Edition. National Academy of Sciences, Washington, DC.
Ruíz Nuño, A., Uribe Gómez, J. J., Orozco Hernández, J. R., Fuentes Hernández, V. O. (2009). The effect of different protein concentrations in the diet of fattening Dorper and Pelibuey lambs. Journal of Animal and Veterinary Advances. 8. 1049–1051.
SAS, (2001). SAS Institute Inc., Cary, North Carolina, USA.
Suliman, G. M., Babiker, S. A. (2007). Effect of diet protein source on lamb fattening. Research Journal of Agriculture and Biological Sciences. 3. 403–408.
Žgur, S., Cividini, A., Kompan, D., Birtič, D. (2003). The effect of live weight at slaughter and sex on lambs carcass traits and meat characteristics. Agriculturae Conspectus Scientificus. 68. 155–159.
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Copyright (c) 2010 Andreja Komprej, Dušan Birtič, Drago Kompan
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