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Browsing Academic Colleges, Departments, and Programs by Subject "Backfat"

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Comparison of three methods of feeding sows in gestation and the subsequent effects on lactation performance

Young, M.G.; Aherne, F.X.; Main, R.G.; Tokach, Michael D.; Goodband, Robert D.; Nelssen, Jim L.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009-11-09)

A total of 684 sows from breeding groups over six weeks were used to compare three methods of feeding during gestation and to assess the subsequent effects on lactation performance. Control gilts and sows were fed according ...
Effects of dry-extruded whole soybeans on growth performance of nursery pigs and growth performance, carcass characteristics, and stomach morphology of finishing pigs

Kim, I.H.; Hines, Robert H.; Burnham, L.L.; Gugle, Terry L.; Hancock, Joe D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-03-10)

In a 3 I-d nursery experiment, replacing soybean meal (SBM) with dry-extruded whole soybeans (DEWS) tended to improve F/G (6% overall difference), but ADG was not affected. Adjusting the diet with DEWS to the nutrient:calorie ...
Influence of L-carnitine on growth and plasma IGF-I from gilts harvested at three gestation lengths

Brown, K.R.; Johnson, B.J.; Frantz, N.Z.; Gottlob, R.O.; Groesbeck, C.N.; Hastad, C.W.; Neill, C.R.; Schneider, J.D.; Young, M.G.; Woodworth, J.C.; Goodband, Robert D.; Tokach, Michael D.; Nelssen, Jim L.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009-10-29)

A total of 59 gilts were used to determine the effects of supplemental L-carnitine on gilt growth and maternal insulin-like growth factor- I (IGF-I). Experimental treatments were arranged in a 2 × 3 factorial with main ...
The interrelationship between genotype, sex, and dietary lysine effects on carcass characteristics in 230 and 280 lb finishing pigs

Friesen, K.G.; Weeden, T.L.; Richert, B.T.; Kats, L.J.; Nelssen, Jim L.; Goodband, Robert D.; Tokach, Michael D.; Unruh, John A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-02-11)

One hundred and twenty pigs (initially 96 lb BW) were slaughtered either at 230 lb (40 pigs) or at 280 lb (80 pigs) to determine the interrelationship between genotype, sex, and dietary lysine effect on carcass ...
The relationship between body condition score and backfat in gestating sows

Young, M.G.; Tokach, Michael D.; Goodband, Robert D.; Nelssen, Jim L.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-02-11)

Backfat and body condition score were measured on 731 sows in a commercial swine facility to assess the accuracy of feeding sows in gestation based on body condition score. Body condition score was poorly correlated (r2 ...
Selection for muscling in swine and its effect on carcass traits

Wheat, J.D.; Kropf, Donald H.; Chang, C.H.; Hines, Robert H. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-05-07)

Line differences in weight, litter size at different ages, and in age, loin eye area, and backfat thickness of pigs (adjusted to 200 pounds live weight) were not significant. Sex differences in weight and backfat thickness ...
Vitamin A levels for growing-finishing pigs

Koch, B.A. (Kansas Agricultural Experiment Station, 2011-05-04)

Vitamin A supplementation recommendations vary considerably from station to station. Most research indicates that supplementation recommendations are generally much higher than actually necessary. This study was designed ...