Supplementation of extract of <i>Lafoensia pacari</i> in the diet of semi heavy laying hens

It was intended to evaluate the supplementation of Lafoensia pacari standardized in tannins extract in the diet of laying hens on the performance, internal and external quality of eggs and metabolism of the feed nutrients. A total of 168 Isa Brown laying hens, aged 24 weeks, with the mean weight of 2.6 kg and the mean posture rate of 87% were used during 4 periods of 28 days each. The treatments consisted of Halquinol performance-enhancing antibiotic, Mannanoligosaccharide (MOS) prebiotic and three levels of pacari extract - 1,000, 2,000 and 3,000 mg kg^-1of feed. The experimental design was completely randomized, with six treatments and seven replicates of four hens each. The pacari standardized in tannin extract presented a percentage of albumen and an egg weight similar to the antibiotic (p < 0.04). The supplementation with the extract improved the shell quality, verified by the specific gravity (p < 0.03) and promoted the metabolizability of ether extract similar to antibiotic and MOS (p < 0.04), allowing its indication as a phytogenic additive.

Keywords:
egg production; metabolism; performance; phytogenic additive

Authorship

Janaina da Silva Moreira ^**Author for correspondence. E-mail: janainasm17@gmail.com

¹Programa de Pós-graduação em Zootecnia, Universidade Federal de Goiás, Av. Esperança, s/n, 74690-900, Campus Universitário/Samambaia, Goiânia, Goiás, Brazil. Universidade Federal de GoiásBrazilGoiânia, Goiás, Brazil¹Programa de Pós-graduação em Zootecnia, Universidade Federal de Goiás, Av. Esperança, s/n, 74690-900, Campus Universitário/Samambaia, Goiânia, Goiás, Brazil.

José Henrique Stringhini

²Departamento de Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil. Universidade Federal de GoiásBrazilGoiânia, Goiás, Brazil²Departamento de Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil.

Edemilson Cardoso da Conceição

³Faculdade de Farmácia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil. Universidade Federal de GoiásBrazilGoiânia, Goiás, Brazil³Faculdade de Farmácia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil.

Emmanuel Arhnold

Raiana Almeida Noleto

Fabyola Barros de Carvalho

*Author for correspondence. E-mail: janainasm17@gmail.com

SCIMAGO INSTITUTIONS RANKINGS

Tables

Tables (8)

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Table 1
Composition and calculated nutritional value of the basal feed.

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Table 2
Feed intake (FI), egg production (Production), egg mass (EM), egg weight (EW), feed conversion by dozen (FCDz) and by egg mass (FCEM) of laying hens of 24 to 32 weeks old, fed with ration supplemented with pacari extract.

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Table 3
Feed intake (FI), egg production (Production), egg mass (EM), egg weight (EW), feed conversion by dozen (FCDz) and by egg mass (FCEM) of laying hens of 32 to 40 weeks old, fed with ration supplemented with pacari extract.

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Table 4
Feed consumption (FC), egg production (Production), egg mass (EM), egg weight (EW), feed conversion by dozen (FCDz) and by egg mass (FCEM) of laying hens fed with ration supplemented with pacari extract in the total period.

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Table 5
Egg weight (EW), percentage (C) and eggshell thickness (ET), percentage (Y) and yolk index (YI), albume percentage (A), haugh unit (HU) and specific gravity (SG) of eggs of laying hens of 24 to 32 weeks old fed with ration supplemented with pacari extract

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Table 6
Egg weight (EW), percentage (C) and eggshell thickness (ET), percentage (Y) and yolk index (YI), albume percentage (A), haugh unit (HU) and specific gravity (SG) of eggs of laying hens of 32 to 40 weeks old fed with ration supplemented with pacari extract.

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Table 7
Egg weight (EW), percentage (C) and eggshell thickness (ET), percentage (Y) and yolk index (YI), albume percentage (A), haugh unit (HU) and specific gravity (SG) of eggs of laying hens fed with ration supplemented with pacari extract, in the total period

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Table 8
Coefficient of metabolizability of dry matter (CMDM), of nitrogen (CMN), of egg’s nitrogen (N egg), nitrogen retention by egg mass (mg N ret g^-1 egg), Coefficient of metabolizability of ether extract (CMEE), egg’s ether extract (EE egg) and retained ether extract by egg mass (mg EE ret g^-1 egg), of the feed supplemented with pacari extract.

Table 1 Composition and calculated nutritional value of the basal feed.

* Vitaminsupplement - warrantylevelsby kg ofproduct:Vitamin A - 8,000 IU, Vitamin E 15,000 mg, Vitamin D3 2,300 IU, Vitamin K3 1,000 mg, Vitamin B1 200 mg, Vitamin B2 3,000 mg, Vitamin B6 1,700 mg, Vitamin B12 10,000 mcg, Niacin 20,000 mg, Folic acid 500 mg, Biotin 15.00 mg. ** Mineral supplement - warranty levels by kg of product: Manganese 120,000 mg, Zinc 120,000 mg, Iron 60,000 mg, Copper 18,000 mg, Iodine 2,000 mg, Calcium 9,600 mg.

Table 2 Feed intake (FI), egg production (Production), egg mass (EM), egg weight (EW), feed conversion by dozen (FCDz) and by egg mass (FCEM) of laying hens of 24 to 32 weeks old, fed with ration supplemented with pacari extract.

C.V%: Coefficient of Variation. MSE: Mean Standard Error.

Table 3 Feed intake (FI), egg production (Production), egg mass (EM), egg weight (EW), feed conversion by dozen (FCDz) and by egg mass (FCEM) of laying hens of 32 to 40 weeks old, fed with ration supplemented with pacari extract.

C.V%: Coefficient of Variation. MSE: Mean Standard Error. *Averages followed by lowercase letter in the column differ between each other by Duncan’s Test (p < 0.05).

Table 4 Feed consumption (FC), egg production (Production), egg mass (EM), egg weight (EW), feed conversion by dozen (FCDz) and by egg mass (FCEM) of laying hens fed with ration supplemented with pacari extract in the total period.

C.V%: Coefficient of Variation. MSE: Mean Standard Error.

Table 5 Egg weight (EW), percentage (C) and eggshell thickness (ET), percentage (Y) and yolk index (YI), albume percentage (A), haugh unit (HU) and specific gravity (SG) of eggs of laying hens of 24 to 32 weeks old fed with ration supplemented with pacari extract

C.V%: Coefficient of Variation. MSE: Mean Standard Error. *Averages followed by lowercase letter in the column differ between each other by Duncan’s Test (p < 0.05).

Table 6 Egg weight (EW), percentage (C) and eggshell thickness (ET), percentage (Y) and yolk index (YI), albume percentage (A), haugh unit (HU) and specific gravity (SG) of eggs of laying hens of 32 to 40 weeks old fed with ration supplemented with pacari extract.

C.V%: Coefficient of Variation. MSE: Mean Standard Error. *Averages followed by lowercase letter in the column differ between each other by Duncan’s Test (p < 0.05).

Table 7 Egg weight (EW), percentage (C) and eggshell thickness (ET), percentage (Y) and yolk index (YI), albume percentage (A), haugh unit (HU) and specific gravity (SG) of eggs of laying hens fed with ration supplemented with pacari extract, in the total period

C.V%: Coefficient of Variation. MSE: Mean Standard Error. *Averages followed by lowercase letter in the column differ between each other by Duncan’s Test (p < 0.05).

Table 8 Coefficient of metabolizability of dry matter (CMDM), of nitrogen (CMN), of egg’s nitrogen (N egg), nitrogen retention by egg mass (mg N ret g^-1 egg), Coefficient of metabolizability of ether extract (CMEE), egg’s ether extract (EE egg) and retained ether extract by egg mass (mg EE ret g^-1 egg), of the feed supplemented with pacari extract.

C.V%: Coefficient of Variation. MSE: Mean Standard Error. *Averages followed by lowercase letter in the column differ between each other by Duncan’s Test (p < 0.05).

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Supplementation of extract of <i>Lafoensia pacari</i> in the diet of semi heavy laying hens

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[1] *Author for correspondence. E-mail: janainasm17@gmail.com