Optimization of Dietary Zinc Requirement for Broiler Breeder Hens of Chinese Yellow-Feathered Chicken

Li, L.; Abouelezz, K.F.M.; Gou, Zhongyong; Lin, Xuhui; Wang, Y.; Fan, Qiuli; Cheng, Zhonggang; Ding, Fayuan; Jiang, Sufei; Jiang, Zhonghong

doi:10.3390/ani9070472

Cited by 20 publications

(15 citation statements)

References 39 publications

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“…Similar results were reported by Kalinowski et al [24] and Dozier et al [32]. Additionally, several studies indicated that evaluating the response of more than one variable to a dietary nutrient makes it difficult to determine a unique value of the nutrient requirement, i.e., the optimal level of any nutrient required for obtaining the best result of growth rate, body weight, feed intake, feed conversion ratio, meat quality, or immunity indices can differ [2,3,33]; this can explain the different values of optimal Met level for the different growth variables here.…”

Section: Discussionsupporting

confidence: 79%

“…1 Standard error of the mean from ANOVA (n = 6). 2 Where Y is final body weight, average daily gain, average daily feed intake or feed conversion ratio and X is total dietary content of methionine. 3 SSR = sum of squared residuals.…”

Section: Growth Performance Of Lingnan Broilers Aged 1 To 21 Days (Exmentioning

confidence: 99%

“…The indigenous chickens have a recent increase in their commercial importance due to their favorable meat color and flavor, which highlights the need for comprehensive studies to enhance their feeding standards. However, only few researches on their nutrient requirements were conducted up till now [2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

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Modelling Methionine Requirements of Fast- and Slow-Growing Chinese Yellow-Feathered Chickens during the Starter Phase

Abouelezz

Cheng

et al. 2020

Animals

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Two experiments were carried out to investigate the dietary methionine requirement for fast and slow-growing Chinese yellow-feathered breeds during the starter phase, based on growth variables and regression models. In Experiment 1, a total of 2880 one-day-old Lingnan chicks (fast growing breed) were used to test the methionine requirement from 1 to 21 days of age for males and females separately. Of each gender, 1440 birds were allocated into 6 dietary methionine levels (0.28%, 0.32%, 0.37%, 0.43%, 0.50% and 0.63%), each with 6 pen replicates of 40 chicks. Experiment 2 had the same design with Guangxi chicks (slow growing breed) from 1 to 30 d of age. Results indicated that significant nonlinear or quadratic responses to increasing dietary methionine levels were observed in body weight, daily gain, feed intake and feed conversion ratio of both breeds. In summary, the quadratic polynomial regression showed that the optimal methionine requirements for maximal growth performance of Lingnan chickens were 0.52–0.58% in males, 0.51% in females, and 0.53% in mixed genders. The corresponding values for Guangxi breed were 0.53% in males by quadratic polynomial regression and 0.43% in females, and 0.48% to 0.49% in mixed sexes by exponential asymptotic models.

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Section: Discussionsupporting

confidence: 79%

Section: Growth Performance Of Lingnan Broilers Aged 1 To 21 Days (Exmentioning

confidence: 99%

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Modelling Methionine Requirements of Fast- and Slow-Growing Chinese Yellow-Feathered Chickens during the Starter Phase

Abouelezz

Cheng

et al. 2020

Animals

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“…Додавання Цинку-метіоніну в дозі 80 мг/кг корму сприяє кращому розвитку імунних органів та імунної відповіді у курчат-бройлерів (Mohammadi et al, 2015). Тому, вдосконалення методів використання хелатів для покращення метаболізму в критичні періоди розвитку курчат-бройлерів є однією з актуальних тем сьогодення (Li et al, 2019).…”

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The influence of Zinc and Manganese chelates (pantothenates) on some chicken broiler metabolism indicators

Sakara

Melnyk

2019

SMLNUVMB

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The article presents the results of the use of the vitamin-amino acid chelates (pantothenates) of Zinc and Manganese in order to study their effect on some indicators of avian metabolism. The studies were started on 14-day Cobb 500 broiler chickens in the poultry farm of the Bila Tserkva National Agrarian University Training and Production Center. For this purpose, 3 groups poultry were formed: two experimental ones (Zinc and Manganese chelates were fed to the main diet with water) and a control group (50 heads each). During the experiment (14, 21, 28 days), weighed chickens followed by blood sampling for biochemical study. In the group where the chelates were drunk at a dose of 0.2 ml/l of water over the next 14 days, there was a tendency to increase the absolute weight gain in broiler chickens to 943.0 ± 25.94 g (770–1073), compared with the control – 883.2 ± 24.64 g (740–1140). The bird, which was given chelates at a dose of 0,1 ml/l of water for 14 days, increased the content of total protein in the serum by 10.3% compared to the beginning of the study, and was 30.9 ± 0.71 g/l (P < 0.001). In the second group (chelate dose of 0.2 ml/l water), this indicator increased by 11.2% and amounted to 30.2 ± 0.82 g/l (P < 0.01). At the end of the experiment (28 days of cultivation), the albumin content in the blood of the birds of the first and second experimental groups was 18.6 ± 0.36 and 18.7 ± 0.37 g/l (P < 0.001 before the first selection). Manganese concentration in broiler chickens of the second experimental group on the 28th day was 3.6 ± 0.28 μmol/l and was higher than the control (2.7 ± 0.25 μmol/l; P < 0.01). At doses of 0,1 ml/l of water (1st experimental group), there was a tendency to increase the amount of this trace element in serum to 3.2 ± 0.16 μmol/l (1.4–4,0). After 14 days of chelating, Zinc content in the serum of chickens of the first experimental group increased by 20% and amounted to 27.9 ± 0.60 μmol/l, in its second – concentration increased by 25.8% (28.3 ± 0.76 μmol/l; P < 0.001) compared to the start of the experiment. Therefore, the use of the vitamin-amino acid chelates of Zinc and Manganese for 14 days at a dose of 0,1 and 0.2 ml/l of water contributed to the increase in weight gain, increase of total protein, Manganese and Zinc in the serum of broiler chickens.

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“…This element is important for fertility, infertility and in various enzyme structures (Naz et al 2016). Li et al (2019) had also reported higher fertility in Chinese yellow feathered chicken supplemented with zinc (48-120 mg/kg). Cobb 500 broiler breeder hens supplemented with zinc oxide (60-120 mg/kg) had higher fertility at the later phase of the laying period (Sharideh et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Effect of different dietary zinc sources on the semen quality, testicular histology and sex hormone concentration in broiler breeder roosters

Jafari

Irani

Rezaeipour

2021

Italian Journal of Animal Science

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The aim of the present study was to evaluate the effect of different dietary zinc sources (ZnSO 4 , Zinc-amino acid and Zn 5 (OH) 2 C l2 H 2 O), on hormone levels, testicular histology and sperm quality in broiler breeder roosters. Twenty, 54-week-old broiler breeder roosters (Ross 308) were reared in individual cages. Dietary treatments were T1: a basal diet without any addition of zinc (0 Zn) (Control), T2: control diet supplemented with 110 mg Zn (sulphate)/kg, T3: control diet supplemented with 110 mg Zn (organic)/kg and T4: control diet supplemented with 110 mg Zn (hydroxide)/kg. The traits measured included blood serum IGF-and testosterone, motility, concentration, viability, and membrane integrity of sperm and testicular histology. The results indicated that, significant differences between the experimental treatments in terms of serum levels of IGF and testosterone in the 32nd and 45th weeks (p < .05). The highest levels of IGF and testosterone were observed in the organic zinc treatment (T3). The results of testicular histology, fertility and sperm quality showed that there was a significant difference between experimental treatments in terms of diameter of seminiferous tubules, spermatogonia and the motility, integrity, morphology, viability and concentration of sperm (p < .05). The highest levels of these traits were observed in the organic zinc treatment (T3) and the lowest in the control treatment. In conclusion, organic zinc compared to other forms of zinc supplement can be used as an efficient feed additive for improving the fertility status of the flock of broiler breeder roosters. HIGHLIGHTS Mineral resources are used in various ways in poultry feed. Zinc is one of the most important mineral sources in poultry nutrition. Organic zinc has been shown to perform better than other sources of zinc.

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Optimization of Dietary Zinc Requirement for Broiler Breeder Hens of Chinese Yellow-Feathered Chicken

Cited by 20 publications

References 39 publications

Modelling Methionine Requirements of Fast- and Slow-Growing Chinese Yellow-Feathered Chickens during the Starter Phase

Modelling Methionine Requirements of Fast- and Slow-Growing Chinese Yellow-Feathered Chickens during the Starter Phase

The influence of Zinc and Manganese chelates (pantothenates) on some chicken broiler metabolism indicators

Effect of different dietary zinc sources on the semen quality, testicular histology and sex hormone concentration in broiler breeder roosters

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