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The effect of YeaSense instead of Enramycin on growth performance of broilers

March 27th, 2020

By Xiangqian Xiao

240 1-day-old New-born yellow feather broilers were randomly divided into 4 treatment groups with 6 replicates per treatment and 10 chickens per replica. The control group (4% Enramycin) was added with Enramycin 250 g / t, and the test group was treated with YeaSense 250 g / t、500 g / t、1000 g / t. The growth performance of each treatment group was compared. In view of the effect of substitution of enramycin, the dosage of YeaSense suggested 250g/t.

1 Experimental design

240 1-day-old New-born yellow feather broilers were randomly divided into 4 treatment groups, each treated with 6 replicates, 10 chickens per replica. The formula of basic diet is referred to NY/T 33-2004.The corn-soybean meal diet is adopted.

Table 1 Experimental design

number

diet

A

basic diet +250g/t Enramycin(4%)

B

basic diet +250g/t YeaSense

C

basic diet +500g/t YeaSense

D

basic diet +1000g/t YeaSense

 

2 Feeding and management

During the experiment, the feeding and management were carried out according to the routine: cage feeding, free feeding and drinking water. The henhouse temperature was controlled at 32 ℃ -35 ℃ at 1 week old, 29 ℃ -32 ℃ at 2 weeks of age at 65 -75 ℃, and 60 -70 ℃ at 60 ~ 70 ℃. The age of 3 weeks was 26 ℃ -29 ℃, the humidity of 55-60 ℃ was controlled at room temperature for 4 weeks, and the drug health care was done in 1-3 days to prevent Escherichia coli and Salmonella.

3 Test methods and indicators

Record weight, feed intake, FCR

4 Statistical analysis   

All data were sorted by excel 2010 after the initial order and analysed using SPSS 21.0 (2015, IBM-SPSS Inc., Chicago, Illinois, USA). Variability of all the data was expressed as standard error of the mean (SEM). Differences between mean values were compared using independent samples T-test, and considered significant at P < 0.05. Trends were identified when 0.05 < P < 0.10.

5 Result

Table 2 Effect of YeaSense replace Enramycin on weight of broliers at 42d (g)


42d   weight(g)

1-42d   ADG(g/d)

1-42d   ADFI(g/d)

1-42d   FCR

A

959.77±48.90ab

22.85±2.33ab

49.13±6.26

2.15±0.10

B

958.28±50.69ab

21.07±2.41ab

45.72±4.77

2.17±0.02

C

965.68±17.65ab

22.99±0.84ab

49.20±5.27

2.14±0.12

D

1003.52±47.14b

23.89±3.97b

51.12±8.32

2.14±0.10

Note:In this experiment, the feed is powdered, so the feed intake and daily gain are lower than those of granular feed. a,b Within a column, means with different superscript letters are different (P < 0.05).

6 Conclusion  

In view of the effect of substitution of Enramycin, YeaSense suggested that 250g/t should be added.

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