Effect of protein and(or) carbohydrate fractions of dried whey on performance and nutrient digestibility of early weaned pigs

One hundred eighty 3-wk-old pigs (initial weight 4.8 kg) were utilized in a 35-d growth trial to determine the effects of the carbohydrate and(or) protein fraction of dried whey on pig performance. In addition, 30, 3-wk-old pigs (initial weight 4.9 kg) were used in two digestion trials to study the...

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Veröffentlicht in:Journal of animal science 1989-05, Vol.67 (5), p.1307-1312
Hauptverfasser: Tokach, M.D. (Univ. of Minnesota, St. Paul), Nelssen, J.L, Allee, G.L
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container_end_page 1312
container_issue 5
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container_title Journal of animal science
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creator Tokach, M.D. (Univ. of Minnesota, St. Paul)
Nelssen, J.L
Allee, G.L
description One hundred eighty 3-wk-old pigs (initial weight 4.8 kg) were utilized in a 35-d growth trial to determine the effects of the carbohydrate and(or) protein fraction of dried whey on pig performance. In addition, 30, 3-wk-old pigs (initial weight 4.9 kg) were used in two digestion trials to study the effects of the whey fraction on nutrient digestibility. Dietary treatments included a corn-soybean meal diet (control), control + 20% dried whey, control + 14.4% lactose, control + 2.1% lactalbumin, control + 14.4% lactose + 2.1% lactalbumin, and control + 8.4% whey protein concentrate. Pelleted diets containing equal lysine concentrations were fed. Lactose and lactalbumin were added at the same levels as provided by a 20% dried whey diet. Pigs fed diets containing milk products exhibited superior (P less than .05) ADG and efficiency of feed utilization and greater (P less than .05) apparent digestibilities for DM, energy and N compared with pigs fed the control diet. Including either lactose or lactalbumin in the diet for the early weaned pig resulted in similar gain, feed efficiency and nutrient digestibility. These results indicate that both the carbohydrate (lactose) and protein (lactalbumin) fractions of dried whey are important in explaining the beneficial response to dried whey elicited in the weanling pig.
doi_str_mv 10.2527/jas1989.6751307x
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In addition, 30, 3-wk-old pigs (initial weight 4.9 kg) were used in two digestion trials to study the effects of the whey fraction on nutrient digestibility. Dietary treatments included a corn-soybean meal diet (control), control + 20% dried whey, control + 14.4% lactose, control + 2.1% lactalbumin, control + 14.4% lactose + 2.1% lactalbumin, and control + 8.4% whey protein concentrate. Pelleted diets containing equal lysine concentrations were fed. Lactose and lactalbumin were added at the same levels as provided by a 20% dried whey diet. Pigs fed diets containing milk products exhibited superior (P less than .05) ADG and efficiency of feed utilization and greater (P less than .05) apparent digestibilities for DM, energy and N compared with pigs fed the control diet. Including either lactose or lactalbumin in the diet for the early weaned pig resulted in similar gain, feed efficiency and nutrient digestibility. These results indicate that both the carbohydrate (lactose) and protein (lactalbumin) fractions of dried whey are important in explaining the beneficial response to dried whey elicited in the weanling pig.</abstract><cop>United States</cop><pub>Am Soc Animal Sci</pub><pmid>2786865</pmid><doi>10.2527/jas1989.6751307x</doi><tpages>6</tpages></addata></record>
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identifier ISSN: 0021-8812
ispartof Journal of animal science, 1989-05, Vol.67 (5), p.1307-1312
issn 0021-8812
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subjects ALBUMINAS
ALBUMINE
ALBUMINS
Animal Feed
Animals
CERDO
CRECIMIENTO
CROISSANCE
Dairy Products
DESEMPENO
DIGESTIBILIDAD
DIGESTIBILITE
DIGESTIBILITY
Digestion
DRIED WHEY
ENGORDE
ENGRAISSEMENT
FATTENING
Female
GROWTH
Lactalbumin - metabolism
LACTOSA
LACTOSE
Lactose - metabolism
LACTOSERUM
LACTOSERUM DESHYDRATE
Male
MILK PROTEINS
Milk Proteins - metabolism
PORCIN
PROTEINAS DE LA LECHE
PROTEINE DU LAIT
SUERO DE LA LECHE
SUERO DE LECHE DESECADO
SWINE
Swine - metabolism
WHEY
Whey Proteins
title Effect of protein and(or) carbohydrate fractions of dried whey on performance and nutrient digestibility of early weaned pigs
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