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R&D Center

Quality Control Management

Experimental Case

Piglet Fruit Milk Flavor Experiment

Release time:

2020-12-24

Twenty 28-day-old weaned piglets of the Duroc × Landrace × Large White crossbreed, with similar body weights and in good health, were selected for the trial. They were randomly divided into two treatment groups: a control group and a test group. The control group was fed a basal diet, while the test group was fed a basal diet supplemented with 600 g/t of fruit-milk flavoring. Each group consisted of five replicates, with two piglets per replicate. During the trial period, the pigs had free access to feed and water, and the trial lasted for 28 days.

The Effect of Adding Fruit-Milk Flavor to the Diet on the Feeding Behavior of Weaned Piglets

Location: Hebei Yun* Pig Farm

Test period: 2016.03.05–2016.04.10

Test subjects: Piglets aged 8–30 days.

1 Materials and Methods

1.1 Experimental Animals

Twenty 28-day-old weaned piglets of the Duroc × Landrace × Large White crossbreed, with similar body weights and in good health, were selected for this trial. They were randomly divided into two treatment groups: a control group and a test group. The control group was fed a basal diet, while the test group was fed the basal diet supplemented with 600 g/t of fruit-milk flavoring. Each group consisted of five replicates, with two piglets per replicate. During the trial period, the pigs had free access to feed and water, and the trial lasted for 28 days.

1.2 Experimental Diets and Rearing Management

The fruit-milk flavor is provided by Jinan Tiantianxiang Co., Ltd. The experimental diets were formulated according to the NRC nutritional requirements for pigs. The composition and nutritional levels of each diet are shown in Table 1. Piglets had free choice of diets, free access to feed and water, and were heated using infrared lamps; the pig houses were kept clean and sanitary. After the trial began, the order of dietary inputs was changed every three days, but the positions of the feeding troughs remained unchanged.

Table 1. Diet Composition and Nutritional Levels

Ingredients	composition	%	Nutritional level
Corn	42	Digestible energy, MJ/kg	13.88
Second-grade flour	20	Crude protein, %	20
Rice bran	3	Calcium, %	0.9
Soybean meal	18	Total phosphorus, %	0.7
Corn protein powder	4	Lysine, %	1.35
Fish meal	5	Egg + Cystine, %	0.76
Whey powder	4	Tryptophan, %	0.25
Premix	4

1.3 Measurement Indicators and Methods

1.3.1 Selective Feeding Intake

Record the daily feed intake and calculate the average daily feed intake on a weekly basis, as well as the average daily feed intake for the entire trial period.

1.3.2 Spontaneous Selection of Feeding Frequency

Observe the spontaneous feeding behavior of weaned piglets. On days 1, 4, 7, 10, 13, 16, 19, 22, 25, and 28 of the trial, before the first feeding in the morning, thoroughly remove any leftover feed from the feed troughs. Refill the troughs with fresh feed after a 30-minute interval (and vary the order of feed presentation). After feeding, observe the number of times each piglet spontaneously selects and consumes each type of feed within a 5-minute period, and calculate the percentage of total feeding events accounted for by each feed type.

1.4 Data Processing

Data were processed using Excel software, and multiple comparison analysis was conducted using SPSS 16.0 statistical software with Duncan’s method. All statistical results are presented as “mean ± standard deviation (Mean ± SD).”

2 results

2.1 Selective Feeding Intake

As shown in Table 2, the addition of fruit-milk flavor had no significant effect on selective feed intake during the first week after weaning. Starting from the second week, however, the experimental group supplemented with fruit-milk flavor showed a marked increase in feed intake—by 15.65%, 10.80%, and 22.31% respectively. Over the entire period, the group supplemented with fruit-milk flavor exhibited a 15.50% increase in feed intake.

Table 2. Effect of Fruit Milk Flavor on Feed Intake

Time	Control group	Experimental group
Week 1	53.67 ± 10.25	55.14 ± 11.04
Week 2	132.83 ± 13.26a	153.62 ± 15.01b
Week 3	208.54 ± 19.05 a	231.06 ± 20.20b
Week 4	241.29 ± 25.54a	295.10 ± 28.37b
Full term	159.08 ± 14.12a	183.73 ± 15.26b

Note: Different letter designations indicate significant differences (P<0.05).

2.2 Spontaneous Feeding Frequency

As shown in Table 3, the piglets in the experimental group supplemented with fruit-milk flavor exhibited significantly more feeding episodes than those in the control group. During weeks 1 through 4, the number of feeding episodes in the fruit-milk-flavored group increased by 45.16%, 56.28%, 55.23%, and 49.69%, respectively. Over the entire period (days 1 to 28), the number of feeding episodes in the fruit-milk-flavored group rose by 54.00%.

Table 3. Effect of Fruit Milk Flavor on Feeding Frequency

Time	Control group	Experimental group
Week 1	40.79	59.21
Week 2	39.02	60.98
Week 3	39.18	60.82
Week 4	40.05	59.95
Full term	39.76	61.23

3 Conclusion

As the results show, for weaned piglets, fruit-milk flavor exhibits a better feed-stimulating effect, significantly increasing both the number of feeding bouts and the amount of feed consumed by weaned piglets.

Note: The above experimental data are obtained from experiments conducted independently by the Tiantianxiang Laboratory.

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