Impact of Feeding Schedule on the Growth Performances of Tilapia, Common Carp, and Rice Yield in an Integrated Rice-Fish Farming System

Abstract

Feeding frequency, among various factors, greatly influences the production costs of aquaculture. In the present investigation, the effects of feeding schedule on the growth and production of tilapia and common carp were evaluated, along with rice yield, in an integrated rice-fish culture system. The experiment comprised 11 treatments, each with three replications, and a control treatment with no fish (T0). The fish in treatments T1–T5 were fed with rice bran once per week at 09:00 for T1, two days per week at 12:00 for T2, three days per week at 15:00 for T3, four days per week at 18:00 for T4, and five days per week at 09:00 and 18:00 for T5. The fish in treatments T6–T10 were fed an artificial floating feed with the same scheduled feeding frequency as T1–T5. The highest specific growth rate (SGR) in common carp (2.4%) and tilapia (4.3%) was found in T10. Similarly, the highest weight gains of tilapia (322.7 g) and common carp (180.9 g) were observed in T10 after 75 days of culture. In terms of rice, however, the highest recorded grain, straw, and biological yields of 5.6, 6.8, and 12.3 t ha−1, respectively, were observed for control T0. Overall, the highest net return (USD 30,051 ha−1) was found in T10. There was a 1504% greater net return and 98% higher benefit–cost ratio (BCR) in T10 compared to the control (T0). Five days of feeding per week at 09:00 and 18:00 was found to be the feeding schedule that resulted in the highest economic net return of those tested.

Growth Performance of Clarias gariepinus in Paddy Rice Field in Kwadon, Gombe, Nigeria

“…For faro 44, the yield of rice, plant height, seed quantity, and leaf count were all high; this may be attributed to nutrient enrichment, availability, and a favorable environment for growth, as demonstrated by the current study. These are similar to the findings of [14], who claimed that high nutrient availability can be used to explain rice and fish growth performance in integrated rice fish farming. The fish can also obtain food from the surrounding environment, such as earthworms, planktons, insects, and young tilapia species, in addition to the feed that is provided.…”

Effect of Fertilization on Growth Characteristics of Cyprinus Carpio Cultured in Rice Fields in Iraq

“…Feeding with artificial feed and the availability of natural food due to the use of organic fertilizer significantly improved the relative and specific growth rates of the farmed fish, especially in the first periods of the experiment from 14-56 days, this indicates that the nutritional needs of fish are not met by natural food only, but rather by supplemental feeding, especially in the early stages of growth of farmed fish.The resulting growth in rice fields that were not provided with any supplementary feed is attributed to the availability of natural food, and this applies to T1 and T4. Boyd (7) indicated that there is a strong positive relationship between fish growth and primary productivity in the fertilized ponds without the use of supplementary food.The study of Billah et al (6) showed that feeding with artificial floating feed significantly affected the weight gain and relative growth rate of common carp fish compared to feeding with conventional feed (rice bran). Priyadarshini et al (23) conducted a study on the culture of common carp in ponds of 25 m 2 , using four treatments (the first treatment: without feeding and adding fertilizer, the second treatment: adding poultry manure fertilizer at a rate of 2000 kg/ha at the beginning of the experiment and then adding 200 kg/ha).…”

The acute toxicity of cypermethrin, emamectin benzoate and imidacloprid on red swamp crayfish (Procambarus clarkia)

“…2 As a typical integrated agricultural-aquaculture system, rice field farming activities include rice tilapia, rice carp, rice crayfish, and rice-turtle. 1,3,4 However, the risk assessment indicated that the exposure to toxic levels of pesticides for aquaculture is significant, at least shortly after pesticide application. 5 Less research has been done in rice field habitats, particularly in rice-crayfish culture systems without artificial diets for crayfish.…”