Length-weight relationships of farmed major carps (<i>Cattla cattla, Labeo rohita</i> and <i>Cirhinus mrigala</i>) fed with different sources of protein in an intensive polyculture

Karim, A.; Khwaja, S.; Shoaib, M.; Yawar, N. A.; Aziz, Z.; Hafeeza, B.

doi:10.1590/1519-6984.268040

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Brazilian Journal of Biology

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Original Article • Braz. J. Biol. 84 • 2024 • https://doi.org/10.1590/1519-6984.268040 copy

Length-weight relationships of farmed major carps (Cattla cattla, Labeo rohita and Cirhinus mrigala) fed with different sources of protein in an intensive polyculture

Relações peso-comprimento de carpas principais (Catla catla, Labeo rohita e Cirrhinus mrigala) cultivadas e alimentadas a partir de diferentes fontes de proteína em uma policultura intensiva

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The present findings provide information regarding the length-weight relationships (LWRs) of Indian major carps viz Cattla cattla, Labeo rohita and Cirhinus mrigala in an intensive polyculture system. Much work has been done in Pakistan with respect to fish LWRs, much of such work has been ignored. Carps were fed with twelve different formulated diets containing four different sources of protein i.e. fish meal (FM), all parts chicken meal (APCM), corn gluten (CGM) and soybean meal (SBM). Each type of protein is used at inclusion level of 25, 35 and 45% into the formulated diets to evaluate the minimum requirement of that ingredient for optimal growth of in-hand species. The values of slope “b” ranged from 2.20 to 4.90 for these species of carps which showed a strong healthy relationship among variables (level of protein and months).

Keywords:
length-weight; condition factor; carps; polyculture; Catla catla; Labeo rohita; Cirhinus mrigala

Treatment	Specie	¹ 1 Mean TL = mean total length; Mean TL(mm)	² 2 S.E = standard error; S.E	Min	Max	³ 3 K = condition factor; K	⁴ 4 b (SE) = value of slope(standard error of b); b^(SE)	⁵ 5 r = correlation coefficient; r	⁶ 6 r2 = coefficient of determination. r²	95% CI
Treatment	Specie	¹ 1 Mean TL = mean total length; Mean TL(mm)	² 2 S.E = standard error; S.E	Min	Max	³ 3 K = condition factor; K		⁵ 5 r = correlation coefficient; r	⁶ 6 r2 = coefficient of determination. r²	Coefficient b
FM 25%	C. catla	259.3	17.6	190.3	375.6	0.988	2.90^(0.18)	0.97	0.96	2.49-3.32
	L. rohita	270.2	20.1	172.2	395.3	0.996	3.16^(0.14)	0.98	0.97	2.83-3.48
	C. mrigala	260.7	22.6	190.0	440.2	0.985	2.70^(0.18)	0.97	0.95	2.29-3.10
FM 35%	C. catla	270.6	14.6	195.0	356.1	0.991	3.01^(0.12)	0.99	0.98	2.72-3.30
	L. rohita	275.5	18.5	174.2	371.5	0.996	2.55^(0.09)	0.99	0.98	2.33-2.77
	C. mrigala	267.2	16.2	201.1	390.1	0.986	2.70^(0.18)	0.97	0.95	2.29-3.10
FM 45%	C. catla	274.7	16.2	192.0	359.0	0.984	3.48^(0.22)	0.98	0.96	2.99-3.98
	L. rohita	288.3	14.0	206.0	341.0	0.996	3.74^(0.25)	0.97	0.95	3.18-4.30
	C. mrigala	312.9	13.5	248.0	392.0	0.993	3.92^(0.21)	0.98	0.97	3.43-4.40
APCM 25%	C. catla	278.5	18.7	198.0	391.0	0.988	3.54^(0.18)	0.98	0.97	3.13-3.95
	L. rohita	289.8	15.8	196.0	351.0	0.995	3.67^(0.12)	0.99	0.98	3.40-3.94
	C. mrigala	301.1	13.6	252.0	405.0	0.988	4.47^(0.17)	0.99	0.98	4.08-4.87
APCM 35%	C. catla	273.9	21.5	190.0	400.0	0.995	3.35^(0.09)	0.99	0.99	3.13-3.57
	L. rohita	298.9	20.4	210.0	422.0	0.986	3.46^(0.19)	0.98	0.96	3.01-3.90
	C. mrigala	305.7	14.2	251.0	403.0	0.993	4.61^(0.14)	0.99	0.98	4.28-4.94
APCM 45%	C. catla	330.0	24.2	200.0	443.0	0.995	3.48^(0.15)	0.99	0.98	3.14-3.82
	L. rohita	326.5	13.1	220.0	366.0	0.996	4.78^(0.20)	0.99	0.98	4.31-5.24
	C. mrigala	337.6	14.3	253.0	407.0	0.986	4.77^(0.29)	0.98	0.96	4.11-5.44
CGM 25%	C. catla	275.9	27.8	136.8	443.1	0.990	2.51^(0.10)	0.99	0.98	2.27-2.74
	L. rohita	269.6	29.8	121.9	449.7	0.984	2.23^(0.06)	0.99	0.99	2.10-2.37
	C. mrigala	284.6	22.6	164.3	416.2	0.986	3.11^(0.03)	0.99	0.99	3.02-3.19
CGM 35%	C. catla	263.7	29.7	130.9	453.0	0.996	2.23^(0.12)	0.98	0.96	1.95-2.51
	L. rohita	276.8	30.8	126.7	463.5	0.994	2.33^(0.07)	0.99	0.99	2.17-2.48
	C. mrigala	301.4	21.8	156.4	401.5	0.990	3.03^(0.05)	0.99	0.99	2.91-3.15
CGM 45%	C. catla	300.0	32.0	131.8	486.1	0.999	2.26^(0.11)	0.98	0.97	2.00-2.51
	L. rohita	291.0	33.7	137.6	501.0	0.998	2.208^(0.09)	0.99	0.98	1.99-2.42
	C. mrigala	303.5	23.5	161.8	423.6	0.998	2.97^(0.04)	0.99	0.99	2.86-3.07
SBM 25%	C. catla	276.2	17.7	195.0	382.3	0.997	2.93^(0.09)	0.99	0.98	2.71-3.15
	L. rohita	238.0	23.3	182.6	420.5	0.981	2.74^(0.12)	0.98	0.97	2.45-3.02
	C. mrigala	219.5	18.1	200.3	391.0	0.985	2.78^(0.25)	0.96	0.92	2.22-3.35
SBM 35%	C. catla	278.6	15.3	162.0	324.6	0.991	4.04^(0.24)	0.98	0.95	3.50-4.58
	L. rohita	200.0	11.5	145.2	265.6	0.965	4.38^(0.37)	0.96	0.93	3.54-5.21
	C. mrigala	231.4	15.9	159.9	316.2	0.872	3.30^(0.47)	0.91	0.82	2.24-4.36
SBM 45%	C. catla	275.4	10.7	160.9	269.0	0.979	4.94^(0.27)	0.98	0.97	4.34-5.55
	L. rohita	214.5	20.4	154.3	369.1	0.916	3.178^(0.49)	0.89	0.80	2.06-4.28
	C. mrigala	237.1	17.0	172.1	348.3	0.938	3.38^(0.41)	0.93	0.86	2.45-4.31

Treatment	Specie	R-Sq	R-sq (adj)	Value of P
Treatment	Specie	R-Sq	R-sq (adj)	% of Protein	Months
FM	*Cattlacattla*	98.22%	97.16%	0.016^ Significant;	0.000**
	*Labeorohita*	96.12%	93.84%	0.399^* * Non significant.	0.000**
	*Cirhinusmrigala*	94.02%	90.49%	0.000**	0.000**
APCM	*Cattlacattla*	98.60%	97.77%	0.000**	0.000**
	*Labeorohita*	94.71%	91.59%	0.000**	0.000**
	*Cirhinusmrigala*	98.95%	98.32%	0.001**	0.000**
CGM	*Cattlacattla*	99.62%	99.40%	0.000**	0.000**
	*Labeorohita*	99.66%	99.46%	0.000**	0.000**
	*Cirhinusmrigala*	99.84%	99.74%	0.000**	0.000**
SBM	*Cattlacattla*	95.43%	92.73%	0.000**	0.000**
	*Labeorohita*	93.69%	89.96%	0.000**	0.000**
	*Cirhinusmrigala*	99.40%	99.04%	0.000**	0.000**

Treatment	Species	R-Sq	R-sq (adj)	Value of P
Treatment	Species	R-Sq	R-sq (adj)	% of Protein	Months
FM	*Cattlacattla*	77.58%	64.33%	0.921^* * Non significant.	0.000^ Significant.
	*Labeorohita*	61.95%	39.47%	0.961*	0.009**
	*Cirhinusmrigala*	62.62%	40.53%	0.931*	0.008**
APCM	*Cattlacattla*	88.72%	82.06%	0.910*	0.000**
	*Labeorohita*	19.90%	0.00%	0.979*	0.888*
	*Cirhinusmrigala*	50.44%	21.15%	0.946*	0.077*
CGM	*Cattlacattla*	97.75%	96.42%	0.811*	0.000**
	*Labeorohita*	87.80%	80.59%	0.939*	0.000**
	*Cirhinusmrigala*	64.40%	43.37%	0.998*	0.005**
SBM	*Cattlacattla*	44.33%	11.43%	0.949*	0.173*
	*Labeorohita*	72.42%	56.13%	0.187*	0.001**
	*Cirhinusmrigala*	88.84%	82.25%	0.331*	0.000**

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