The Importance of The Nipple Drinker Flow Rate

The amount of drinking water directly affects the health and feed intake of broilers, so it is directly related to the production performance of broilers, but will the water output speed of drinking nipple directly affect the production performance of broilers?

Therefore, this experiment mainly conducts a more detailed study on the water discharge speed of the nipple drinker. It can also be seen from the results that the water output speed of the nipple drinker did not affect many production indicators such as feed intake, mortality rate, feed-to-meat ratio, and body weight, but the most influential ones were water resource utilization efficiency and poultry house humidity. Therefore, mastering the water output speed of the nipple drinker is very important for the comprehensive management of poultry.

Nipple drinkers are the most widely used in poultry farming, but few studies have been conducted on nipple drinker delivery rates. However, in the actual production process, the amount and speed of water output from the nipple drinker directly affect the humidity of the poultry house, and the most troublesome thing for farmers is the control of humidity. If the humidity is too high, it will inevitably affect the humidity of the litter or manure, and the litter or manure that is in direct contact with poultry can cause damage to the poultry's foot pads.

Specific conclusions of the test:

As birds grow, they use water more efficiently with greater nipple drinker delivery rates. However, water outlet velocity had no significant effect on broiler performance. Therefore, increasing the use of water also increases the waste of water resources.

Increasing water velocity did not have a beneficial effect in this experiment, but may have some effect during heat stress. Ventilation efficiency should be increased when using high velocity teat drinkers to regulate the moisture content of litter or manure beneath the teat drinkers.

With the increase of the water output speed, the humidity of the litter or manure under the nipple drinker increases first and then decreases with the growth of broilers. Although the condition of the footpads was not monitored in this trial, increasing litter or fecal moisture was associated with increased skin inflammation on the footpads.

Experiment method

Drinking system plays an important role in the production process of broilers. Many companies increase the water flow rates (WFR) of nipple drinkers (ND) above the level recommended by the manufacturer during the brooding period, and then Adjust the water flow rate during the growth period.

The detection indicators include body weight (BW), cumulative feed consumption (cumulative feed consumption, FC), feed consumption to weight ratio (FCR feed: BW), litter or feces humidity (%), litter or feces humidity under the nipple drinker , detected once a week until 42 days of age; the mortality rate (Mortality, MO) was recorded daily. Broilers drinking higher water flow rates (75, 100, and 120 mL/min) weighed more than those drinking water flow rates of 50 mL/min. Feed intake, feed to weight gain and mortality were not significantly affected.

This increases humidity and increases early clumping of litter or manure. The purpose of this experiment was to study the effects of different water flow rates on broiler performance and litter or manure status during the brooding and growing period (1-42 days old). The test was divided into 7 different water flow rate groups, that is, the whole period was 50 mL/min, 75 mL/min, 100 mL/min, 120 mL/min; /min; 75 mL/min for 1-7 days old, 100 mL/min for 8-42 days old; 100 mL/min for 1-7 days old, 120 mL/min for 8-42 days old. Broilers were grouped in completely randomized blocks.

Broilers drinking water flow rates of 100, 120 mL/min and those adjusted from 75 to 100 and 100 to 120 mL/min used more water than those fed water flow rates of 50 and 75 mL/min. Adjusting the water flow rate from 100 to 120 mL/min resulted in more wet litter or feces under teat drinkers, but had no effect on the end of growth.

Conclusion: Greater nipple drinker water flow rate can make broilers use more water and increase body weight; with the increase of water flow rate, the humidity of litter or feces under the nipple drinker first increases and then decreases.

Test design

136 0-day-old Arbor Acres broilers were selected as experimental chickens, using natural ventilation, light for 23 hours day: 1 hour dark. Each treatment was divided into 8 replicates, and 12 broilers in each replicate had free access to food and water.

Treatment 1, T1, the water flow rate of 1~42 days old was 50 mL/min (standard water flow rate);

Treatment 2, T2, the water flow rate of 1~42 days old was 75 mL/min (high water flow rate);

Treatment 3, T3, the water flow rate of 1~42 days old is 100 mL/min (higher water flow rate);

Treatment 4, T4, the water flow rate of 1~42 days old was 120 mL/min (the highest water flow rate);

Treatment 5, T5, the water flow rate was 50 mL/min for 1-7 days old, and 75 mL/min for 8-42 days old;

Treatment 6, T6, the water flow rate was 75 mL/min for 1-7 days old, and 100 mL/min for 8-42 days old;

For treatment 7, T7, the water flow rate was 100 mL/min for 1-7 days old, and 120 mL/min for 8-42 days old.

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