Group Title: Department of Animal Science research report - University of Florida Dept. of Animal Science ; AL-1975-8
Title: Florida grown bird resistant and non-bird resistant grain sorghum for starter diets
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Permanent Link: http://ufdc.ufl.edu/UF00073075/00001
 Material Information
Title: Florida grown bird resistant and non-bird resistant grain sorghum for starter diets
Series Title: Department of Animal Science research report
Physical Description: 2 p. : ; 28 cm.
Language: English
Creator: Combs, G. E ( George Ernest ), 1927-
Wallace, H. D ( Harold Dean )
University of Florida -- Dept. of Animal Science
University of Florida -- Agricultural Experiment Station
Publisher: Florida Agricultural Experiment Station
Place of Publication: Gainesville Fla
Publication Date: 1975
 Subjects
Subject: Swine -- Feeding and feeds -- Florida   ( lcsh )
Sorghum as feed -- Florida   ( lcsh )
Genre: government publication (state, provincial, terriorial, dependent)   ( marcgt )
non-fiction   ( marcgt )
 Notes
Statement of Responsibility: G.E. Combs and H.D. Wallace.
General Note: Caption title.
General Note: "July, 1975."
Funding: Animal science research report (University of Florida. Dept. of Animal Science) ;
 Record Information
Bibliographic ID: UF00073075
Volume ID: VID00001
Source Institution: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 50681567

Full Text
O0

3 Department of Animal Science Florida Agricultural
Research Report AL-1975-8 Experiment Station
SJuly, 1975 Gainesville, Florida

FLORIDA GROWN BIRD RESISTANT AND NON-BIRD RESISTANT
GRAIN SORGHUM FOR STARTER DIETSI

G. E. Combs and H. D. Wallace2

Previous experiments3 with growing-finishing swine fed Florida grown sorghums
have indicated that the bird resistant (BR) varieties produced slower and less
efficient gain than either non-bird resistant (NBR) varieties or corn.

The present experiment was conducted to evaluate Florida grown BR sorghum,
NBR sorghum and corn as energy sources in pig starter diets.
Experimental

Ninety early weaned pigs having an initial weight of approximately 18 pounds
were divided according to weight and sex into six treatment groups of 15 pigs each.
All pigs were housed in expanded metal cages equipped with automatic watering
devices and self feeders.

The dietary treatments and composition of the diets are presented in Table 1.
Results and Discussion "

A summary of the performance data is presented in Table 2.

The daily gain of pigs on the various dietary treatments was not significantly
(P < .05) different. The most rapid gains were made by pigs fed the corn diet and
these were followed very closely by those fed diets containing BR 64, BR 79 and
NBR 59 sorghum. Pigs fed Bird Go and NBR 652 sorghum gained 13 and 8 percent less.,;
than the corn treatment. The feed required per unit gain by the corn group was
significantly (P < .01) less than any of the sorghum treatments.

Performance of pigs on the BR and NBR sorghums was essentially the same.
Average rate and efficiency of gain respectively for these two sorghum groups
were: BR, 1.08 and 2.10 and NBR, 1.09 and 2.06.
Tannic acid which has been implicated as a major contributing factor to the
decreased performance often observed with BR sorghum did not show such a rela-
tionship in this study. The highest and the lowest growth rate was found when
performance was compared within the high tannic acid sorghums, within the low
tannic acid sorghum and between the low and high tannic acid sorghum.
1 Experiment 226.
2 Combs and Wallace, Animal Nutritionists.
3 ARC Mimeo Rpt. SW1972-3 and Animal Science Res. Rpt. AL 1974-2.

This public document was promulgated at an annual cost of
$40.00, or .04 cents per copy to inform county agricul-
tural directors, ranchers and growers of research results
in swine management and nutrition.

Department of Animal Science
Institute of Food and Agricultural Sciences






-2-


Summary

Ninety early weaned pigs were used to compare corn, BR sorghum and NBR
sorghum as the major source of energy in starter diets. Rate of gain was not
significantly (P < .05) influenced by energy source. However the growth depression
was sufficient with several sorghums to prohibit recommending the indiscriminate
usage of all grain sorghums in pig starters. The groups fed the corn diet
required significantly (P < .01) less feed per unit of gain than any sorghum
group. Tannic acid content was not highly correlated with rate of gain, feed
intake or feed efficiency.

Table 1. Treatments and Diet Composition
Corn Sorghum
Treatments BR BR Bird NBR NBR
64 79 Go 652 59
Yellow corn 69,00 -
Sorghum 71.05 73.25 73.05 74.05 75.45
Soybean meal 24.55 22.50 20.30 20.50 19.50 18.10
Salt 0.50 0.50 0.50 0.50 0.50 0.50
Biophos 1.60 1.60 1.60 1.60 1.60 1.60
Limestone 0.90 0.90 0.90 0.90 0.90 0.90
Trace minerals1 0.10 0.10 0.10 0.10 0.10 0.10
Vitamin mix (UF)2 0.10 0.10 0.10 0.10 0.10 0.10
Aureo SP-250 0.25 0.25 0.25 0.25 0.25 0.25
Stabilized lard 3.00 3.00 3.00 3.00 3.00 3.00
Dietary Protein % 17.6 18.6 17.9 18.2 17.8 17.8
Sorghum Protein % 9.8 11.0 10.9 11.4 12.1
Tannic Acid equivalent, % 1.68 1.72 1.86 0.35 0.47
Brand-Hybrid Dekalb Funk Excel McNair Dekalb
1 Calcium Carbonate, Co,, Quincy, Illinois, contains 20% zinc, 10% iron, 5.5%
manganese, 1.1% copper, 0.15% iodine, 0.10% cobalt and 2% calcium.
2 Contains 6000 mg. riboflavin; 20,000 mg. niacin; 12,000 mg. pantothenic acid;
80,000 mg. choline chloride; 10,000 mcg. Vitamin B12; 2,500,000 I.U. Vitamin A;
4,000 I.C.U. Vitamin 03 and 10,000 I.U. Vitamin E per pound of premix.


Table 2. Performance of Pigs Fed Diets Containing
Corn or BR and NBR Sorghum Grains

Sorghum
Treatment Corn BR BR Bird NBR NBR
64 79 Go 652 59
Av. initial weight, lb: 17.79 17.77 17.80 17.82 17.83 17.81
Av. final weight, lb. 63.83 62.70 62.63 58.33 60.33 62.73
Av. daily gain, lb, 1.15 1.12 1.12 1.01 1.06 1.12
Av. daily feed, lb, 1.98 2.25 2.44 2.15 2.22 2.29
Av. feed/gain, lb. 1.72** 2.00 2.17 2.12 2.08 2.04
** Significantly (P < .01) different.




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