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Programa de Luz para Frangos de Corte - Aviagen

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Efeito Efecto do <strong>de</strong>l fotoperíodo, do el género sexo e da y la linhagem estirpe sobre las as características <strong>de</strong> da la carcaça canal <strong>de</strong> dos los frangos pollos <strong>de</strong> <strong>de</strong> engor<strong>de</strong> corte aos<br />

48 a los ou 48/49 49 dias días <strong>de</strong> <strong>de</strong> ida<strong>de</strong> edad (% (% do <strong>de</strong>l peso vivo)<br />

Fotoperíodo (horas) Género Estirpe<br />

14 17 20 23 P Machos Hembras P 308 708 P<br />

Canal 70.42C 71.14BC 72.34A 71.58AB 0.0040 71.26 71.48 NS 70.97B 71.76A 0.0144<br />

Pectoral 16.19<br />

mayor<br />

C 16.81B 17.44A 17.18AB 0.0003 16.79B 17.02A 0.0457 16.27B 17.54A 0.0001<br />

Pectoral<br />

menor<br />

3.80B 3.81B 3.85AB 3.96A 0.0420 3.68B 4.03A 0.0001 3.79B 3.92A 0.0034<br />

Pechuga total 19.99C 20.62B 21.29A 21.14A 0.0001 20.47B 21.05A 0.0001 20.06B 21.46A 0.0001<br />

Piel <strong>de</strong> Pechuga 3.03 3.02 3.10 2.97 NS 2.90B 3.16A 0.0001 3.03 3.03 NS<br />

Muslo <strong>de</strong>recho<br />

entero<br />

Carne <strong>de</strong>l muslo<br />

izquierdo<br />

6.52<br />

4.58<br />

6.47<br />

4.56<br />

6.57<br />

4.53<br />

6.49<br />

4.42<br />

NS 6.50<br />

NS 4.62<br />

6.53 NS 6.55 6.48 0.0742<br />

A 4.43B 0.0001 4.52 4.52 NS<br />

Piel <strong>de</strong>l muslo 0.96<br />

izquierdo<br />

B 0.97B 1.02A 0.94B 0.0069 0.88B 1.06A 0.0001 1.00A 0.95B 0.0085<br />

Hueso <strong>de</strong>l muslo 0.76<br />

izquierdo<br />

0.74 0.74 0.75 NS 0.79A 0.71B 0.0001 0.76A 0.74B 0.0014<br />

Pierna <strong>de</strong>recha 4.92 4.86 4.85 4.84 NS 5.00<br />

entera<br />

A 4.73B 0.0001 4.93A 4.81B 0.0001<br />

Carne <strong>de</strong> pierna<br />

izquierda<br />

3.25A 3.18B 3.14B 3.11B 0.0108 3.25A 3.09B 0.0001 3.19A 3.15B 0.0475<br />

Piel <strong>de</strong> pierna<br />

izquierda<br />

0.57 0.56 0.58 0.58 NS 0.56 0.58 NS 0.57 0.57 NS<br />

Hueso <strong>de</strong> pierna 1.13 1.15 1.17 1.17 NS 1.23<br />

izquierda<br />

A 1.08B 0.0001 1.18A 1.14B 0.0006<br />

Alas 7.53 7.58 7.72 7.67 NS 7.65 7.60 NS 7.65 7.60 NS<br />

Resto <strong>de</strong> la 17.27<br />

canal<br />

B 17.57A 17.72A 17.67A Fotoperíodo (horas) Sexo Linhagem<br />

14 17 20 23 P Machos Fêmeas P 308 708 P<br />

Carcaça 70,42<br />

0.0356 17.63 17.49 NS 17.65 17.46 NS<br />

C 71,14BC 72,34A 71,58AB 0,0040 71,26 71,48 NS 70,97B 71,76A 0,0144<br />

Peitoral maior 16,19C 16,81B 17,44A 17,18AB 0,0003 16,79B 17,02A 0,0457 16,27B 17,54A 0,0001<br />

Peitoral menor 3,80B 3,81B 3,85AB 3,96A 0,0420 3,68B 4,03A 0,0001 3,79B 3,92A Peito total 19,99<br />

0,0034<br />

C 20,62B 21,29A 21,14A 0,0001 20,47B 21,05A 0,0001 20,06B 21,46A 0,0001<br />

Pele do peito 3,03 3,02 3,10 2,97 NS 2,90B 3,16A 0,0001 3,03 3,03 NS<br />

Coxa direita inteira 6,52<br />

Carne do músculo 4,58<br />

6,47<br />

4,56<br />

6,57<br />

4,53<br />

6,49<br />

4,42<br />

NS<br />

NS<br />

6,50<br />

4,62<br />

6,53 NS 6,55 6,48 0,0742<br />

esquerdo<br />

A 4,43B 0,0001 4,52 4,52 NS<br />

Pele da coxa<br />

esquerda<br />

0,96B 0,97B 1,02A 0,94B 0,0069 0,88B 1,06A 0,0001 1,00A 0,95B 0,0085<br />

Osso do músculo 0,76<br />

esquerdo<br />

0,74 0,74 0,75 NS 0,79A 0,71B 0,0001 0,76A 0,74B 0,0014<br />

Perna direita inteira 4,92 4,86 4,85 4,84 NS 5,00A 4,73B 0,0001 4,93A 4,81B Carne da perna 3,25<br />

0,0001<br />

esquerda<br />

A 3,18B 3,14B 3,11B 0,0108 3,25A 3,09B 0,0001 3,19A 3,15B 0,0475<br />

Pele da perna<br />

esquerda<br />

0,57 0,56 0,58 0,58 NS 0,56 0,58 NS 0,57 0,57 NS<br />

Osso da perna<br />

esquerda<br />

1,13 1,15 1,17 1,17 NS 1,23A 1,08B 0,0001 1,18A 1,14B 0,0006<br />

Asas 7,53 7,58 7,72 7,67 NS 7,65 7,60 NS 7,65 7,60 NS<br />

Resto da carcaça 17,27B 17,57A 17,72A 17,67A 0,0356 17,63 17,49 NS 17,65 17,46 NS<br />

ABC As Médias com letras diferentes <strong>de</strong>ntro <strong>de</strong> um mesmo fotoperíodo, sexo e raça são significativamente diferentes (P

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