Residual frying oil in the diets of sheep: intake, digestibility, nitrogen balance and ruminal parameters
2
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
Objective: The objective of this study was to evaluate the intake and nutrient digestibility, nitrogen balance and ruminal ammonia nitrogen in lambs of diets containing different levels of residual frying oil. Methods: Levels of 0, 20, 40, 60, and 80 g/kg dry matter (DM) base of residual frying oil in the diets of lambs were evaluated. Five castrated lambs with initial body weights of 36.8±3.3 kg, distributed in a Latin square (5×5) design, were used. Results: There was a decreasing linear effect on the intake of DM, organic matter (OM), crude protein (CP), neutral detergent fiber (NDF), total carbohydrates (TCH), and nonfibrous carbohydrates (NFC). There was an increased linear intake of ether extract (EE). The apparent digestibility of DM, OM, CP, NDF, TCH, and NFC, as well as urine nitrogen excretion, nitrogen balance and ruminal parameters, were not influenced by different levels of residual frying oil in the diet. EE digestibility presented a crescent linear effect. Conclusion: It can be concluded that the addition of residual frying oil to the diets of sheep can affect nutrient intake without affecting the digestibility of most nutrients (with the exception of EE), nitrogen balance and ruminal ammonia nitrogen concentration.
Abstract
Objective: The objective of this study was to evaluate the intake and nutrient digestibility, nitrogen balance and ruminal ammonia nitrogen in lambs of diets containing different levels of residual frying oil. Methods: Levels of 0, 20, 40, 60, and 80 g/kg dry matter (DM) base of residual frying oil in the diets of lambs were evaluated. Five castrated lambs with initial body weights of 36.8±3.3 kg, distributed in a Latin square (5×5) design, were used. Results: There was a decreasing linear effect on the intake of DM, organic matter (OM), crude protein (CP), neutral detergent fiber (NDF), total carbohydrates (TCH), and nonfibrous carbohydrates (NFC). There was an increased linear intake of ether extract (EE). The apparent digestibility of DM, OM, CP, NDF, TCH, and NFC, as well as urine nitrogen excretion, nitrogen balance and ruminal parameters, were not influenced by different levels of residual frying oil in the diet. EE digestibility presented a crescent linear effect. Conclusion: It can be concluded that the addition of residual frying oil to the diets of sheep can affect nutrient intake without affecting the digestibility of most nutrients (with the exception of EE), nitrogen balance and ruminal ammonia nitrogen concentration.
참고문헌 (21)
- Silva MMC, "Effects of fat supplements on intake and efficiency of nutrient utilization in lactating dairy goats", R Bras Zootec, 36, pp.257~267 (2016)
- Valinote AC, "Effects of feeding monensin and different sources of fat on the ruminal population of ciliate protozoa in Nellore steers", R Bras Zootec, 34, pp.1418~1423 (2005)
- Cenkvari, E, "Investigations on the effects of Ca-soap of linseed oil on rumen fermentation in sheep and on milk composition of goats", J Anim Physiol Anim Nutr, 89, pp.172~178 (2005)
- NRC, "Nutrient Requirements of Small Ruminants: sheep, goats, cervids and new world camelids" (2007), National Academies Press
- Mizubuti, IY, "Laboratory methods of feedstuff evaluation" (2009), EDUEL- Editora da Universidade Estadual de Londrina
- Sniffen, CJ, "A net carbohydrate and protein system for evaluating cattle diets: II. Carbohydrate and protein availability", J Anim Sci, 70, pp.3562~3577 (1992)
- Coelho da Silva JF, "Fundamentals of Ruminants Nutrition" (1979), Livroceres
- Decandia M, "The use of polyethylene glycol to reduce the anti-nutritional effects of tannins in goats fed woody species", Small Rumin Res, 38, pp.157~164 (2000)
- Zeoula LM, "Cassava by-product flour replacing corn in ration for sheep: intake, digestibility, nitrogen and energy balances and ruminal parameters", R Bras Zootec, 32, pp.491~502 (2003)
- Preston TR, "Tropical Animal Feeding: A Manual for Research Workers", pp.191~264 (1995), Food and Agriculture Organization of the United Nations
- R, "R: A language and environment for statistical computing" (2013), R Foundation for Statistical Computing
- Palmquist DL, "Ruminants Nutrition, Jaboticabal, SP", pp.287~310 (2006), FUNEP
- Van Soest PJ, "Nutrition eecology of the ruminant" (1994), Comstock Publishing Associates
- Forbes JM, "Regulation of Feed Intake", pp.3~12 (1999), CAB International
- Nunes AS, "Intake, digestibility and blood parameters of lambs fed diets with palm kernel", Archiv Zootec, 60, pp.903~912 (2011)
- Bateman II HG, "Influence of soybean oil in high fiber diets fed to nonlactating cows on ruminal unsaturated fatty acids and nutrient digestibility", J Dairy Sci, 81, pp.2451~2458 (1998)
- Pimentel PG, "Intake, apparent nutrient digestibility and ingestive behavior of sheep fed cashew nut meal", R. Bras Zootec, 40, pp.1128~1133 (2011)
- Alves EM, "Mesquite pod meal associated with levels of urea on feeding sheep: Nitrogen balance, plasma urea-N and ruminal parameters", Acta Sci, 34, pp.287~295 (2012)
- Hristov AN, "Effect of carbohydrate source on ammonia utilization in lactating dairy cows", J Anim Sci, 83, pp.408~421 (2005)
- Vargas LH, "Lipids in the ration of dairy cows: ruminal fermentation parameters, milk production and composition", R Bras Zootec, 31, pp.522~529 (2002)
- Preston TR, "Feed resourses for ruminants. better utilization of crop residues and by products in animal feeding: research guidelines. A Practical Manual for Research Workers", pp.99~ (1986), Food and Agriculture Organization of the United Nations