Supplementation of plant phosphatidylcholine sources: effects on performance and carcass traits in broiler chickens

Bernardes, Romário Duarte; Borges, Samuel Oliveira; Petrolli, Tiago Goulart; Pagnussatt, Heloisa; Castro, Larissa Pereira; Miranda, João Victor de Souza; Valentin, Jean Kaique; Gomes, Kaique Moreira; Calderano, Arele Arlindo

doi:10.1590/1809-6891v25e-79307E

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Animal Science | Research article • Cienc. anim. bras. 25 • 2024 • https://doi.org/10.1590/1809-6891v25e-79307E linkcopy

Supplementation of plant phosphatidylcholine sources: effects on performance and carcass traits in broiler chickens

Authorship SCIMAGO INSTITUTIONS RANKINGS

Choline is an important nutrient for broiler chickens and plays several important roles in their metabolism. In recent years, there has been an observed increase in the utilization of plantderived products rich in choline to meet the nutritional requirements of poultry. Given its relevance, the objective of this study was to evaluate the effect of supplementation with two vegetable sources of phosphatidylcholine on the performance and carcass characteristics of broiler chickens. Twelve hundred broiler chicks were distributed among five experimental treatments, as follows: Basal diet (BD)-diet without choline supplementation; BD + Biocholine (218, 197, and 143 mg/kg of diet, respectively); BD + Biocholine DS1 (146, 131, and 96 mg/kg of diets, respectively); BD + Biocholine DS2 (109, 98, and 72 mg/kg of diets, respectively); BD + Biocholine DS3 (87, 79, and 57 mg/kg of diets, respectively). The five experimental treatments were composed of twelve replications and twenty birds each. A significant improvement (P < 0.05) in feed conversion was observed in animals supplemented with Biocholine and Biocholine DS during the 1 to 21-day phase. However, no improvement were noted in the other evaluated parameters (P > 0.05). In conclusion, supplementation with plant sources of phosphatidylcholine improves feed conversion in broiler chickens from 1 to 21 days of age, however, it does not have any effect on the carcass characteristics of the animals.

Keywords:
body composition; feed conversion; weight gain

Ingredientes (%)	1-7 days	8-21 days	22-42 days
Corn	48.112	50.468	59.943
Soybean meal	43.730	41.102	31.685
Soy oil	3.919	4.545	5.042
Dicalcium phosphate	1.898	1.679	1.323
Limestone	0.923	0.840	0.692
Salt	0.533	0.516	0.480
DL-Methionine	0.337	0.321	0.268
L-Lysine HCl	0.134	0.149	0.203
Vitamin Premix^b	0.150	0.130	0.120
Mineral Premix^a	0.140	0.120	0.100
Salinomycin (12%)	0.055	0.055	0.055
L-Threonine	0.055	0.055	0.053
L-Valine	0.004	0.009	0.026
Antioxidant (BHT)	0.010	0.010	0.010
Calculated values
Crude Protein, %	24.00	23.00	19.50
Metabolizable Energy, Kcal/kg	2,975	3,050	3,200
Calcium, %	0.971	0.878	0.705
Available phosphorus, %	0.463	0.419	0.341
Digestible lysine, %	1.307	1.256	1.077
Digestible methionine, %	0.650	0.624	0.533
Digestible Met + Cis, %	0.967	0.929	0.797
Digestible arginine, %	1.524	1.45	1.189
Digestible isoleucine, %	0.942	0.898	0.743
Digestible Gli + Ser, %	1.940	1.854	1.549
Digestible histidine, %	0.574	0.551	0.471
Digestible treonine, %	0.863	0.829	0.711
Digestible tryptophan, %	0.278	0.265	0.217
Digestible valine, %	1.006	0.967	0.829
Digestible leucine, %	1.807	1.746	1.537
Choline, mg/kg	1,331	1,274	1,075

Phases	Sources of choline	Experimental treatments
Phases	Sources of choline	BD	BD + Biocholine	BD + Biocholine DS1	BD + Biocholine DS2	BD + Biocholine DS3
1 a 7 days	Biocholine (mg/kg)	0	218	0	0	0
1 a 7 days	Biocholine DS (mg/kg)	0	0	146	109	87
8 a 21 days	Biocholine (mg/kg)	0	197	0	0	0
8 a 21 days	Biocholine DS (mg/kg)	0	0	131	98	79
22 a 42 days	Biocholine (mg/kg)	0	143	0	0	0
22 a 42 days	Biocholine DS (mg/kg)	0	0	96	72	57

Variables	BD	BD + Biocholine	BD + Biocholine DS1	BD + Biocholine DS2	BD + Biocholine DS3	SEM	P-valor
Variables	One to seven days old
FI (Kg/bird)	0.161	0.159	0.154	0.157	0.158	0.017	0.226
WG (Kg/bird)	0.146	0.149	0.145	0.148	0.147	0.016	0.554
FCR (Kg/bird)	1.100	1.07	1.06	1.06	1.07	0.04	0.153
One to twenty-one days old
FI (Kg/bird)	1.305	1.288	1.283	1.292	1.279	0.033	0.499
WG (Kg/bird)	1.036	1.055	1.051	1.059	1.048	0.031	0.416
FCR (Kg/bird)	1.26 b	1.22 a	1.22 a	1.22 a	1.22 a	0.03	0.004
One to forty-two days old
FI (Kg/bird)	5.173	5.156	5.125	5.191	5.253	0.018	0.247
WG (Kg/bird)	3.410	3.430	3.386	3.440	3.440	0.014	0.722
FCR (Kg/bird)	1.52	1.50	1.51	1.51	1.53	0.06	0.665

Variables	BD	BD + Biocholine	BD + Biocholine DS1	BD + Biocholine DS2	BD + Biocholine DS3	SEM	P-valor
Variables	Relative weight of organs at 42 days (%)
RLW	1.64	1.69	1.68	1.62	1.66	0.02	0.657
RWAF	0.97	0.87	0.88	1.00	0.82	0.03	0.212
Yield of carcass and parts at 42 days (%)
CY	77.76	78.15	77.04	77.83	77.74	0.18	0.427
BY	30.47	30.80	30.12	30.22	30.28	0.16	0.704
TDY	21.26	21.03	21.12	20.83	21.39	0.12	0.599
Fat and lean tissue at 42 days (%)
Fat tissue	10.02	9.63	9.96	9.85	9.94	0.18	0.970
Lean tissue	89.16	89.55	89.22	89.33	89.24	0.18	0.971

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[TFN1] ^aGuarantee levels/kg of product - Mn: 58.36 g; Zn: 54.21 g; Fe: 41.68 g; Cu: 8.31g; I: 0.843g; If: 0.250 g. ^bGuarantee levels/ kg of product - Vitamin A: 9,638,000 IU; Vitamin D3: 2,410,000 IU; Vitamin E: 36,100 IU; Vitamin B1: 2,590 mg; Vitamin B2: 6,450 mg; Vitamin B6: 3,610 mg; Vitamin B12: 15.9 mg; Vitamin K3: 1936 mg; Vitamin B5: 12.95 mg; Vitamin B3: 39.2 mg; Vitamin B9: 903.0 mg; Vitamin B7: 89.8 mg.