In ovo feeding with 25-hydroxycholecalciferol influences bone mineral density of chicks

Quadros, Thays Cristina Oliveira de; Sgavioli, Sarah; Castiblanco, Diana Maryuri Correa; Santos, Elaine Talita; Andrade, Giuliana Milan de; Borges, Liliana Longo; Almeida, Ayla Rosa; Baraldi-Artoni, Silvana Martinez

doi:10.37496/rbz5020200050

Cited by 2 publications

(2 citation statements)

References 20 publications

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“…Broiler growth increased by more than 400% and feed to gain ratio decreased by about 50% from 1957 to 2005 (Müsse et al, 2022). However, this accelerated growth may lead to metabolic disorders such as skeletal problems from weak legs, bone deformities and fractures, resulting in high financial losses (Quadros et al, 2021). As a result of the skeletal problems seen in broilers, they have difficulty in movement and have difficulty in reaching the feeders and drinkers.…”

Section: Introductionmentioning

confidence: 99%

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Egg mineral levels, hatching results and bone properties in embryos and chicks obtained from broiler breeders at different ages

Varol Avcılar,

Onbaşılar,

Yalçın

et al. 2023

Animal Physiology Nutrition

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It is inevitable to obtain chicks from breeders of different ages in broiler fattening. However, breeder age has an effect on eggs. There is no detailed study on the changes in mineral levels in eggs and bones of these effects. Therefore, the aim of this study examines how mineral levels of shell, albumen, egg yolk, and bone, embryonic development and bone characteristics change according to the breeder age. A total of 370 fresh hatching eggs were obtained from Ross‐308 breeders at 2 different ages (25 to 60‐week‐old). Egg, embryo, yolk sac and chick characteristics were determined. Morphometric parameters of bones of embryos at 19 days of age and chicks at hatch were examined. Mineral levels of albumen, yolk, shell and bones of embryo and chick were determined. Egg weight, embryo weight, embryo length, chick weight and chick length were higher in old breeder than those of younger one. Femur length, width and Seedor index of tibia, weight, width and Seedor index of metatarsus were found to be high in embryos at 19 days of old breeder than young breeder. There were differences in relative femur weight, tibia length and relative metatarsus weight of chicks at hatch. The mineral levels were high in the femur, tibia and metatarsus of embryos and chicks, in parts of the egg of old breeder. K, Ca, Mg, P, Fe and Mn levels in the eggshell were decreased during incubation. Ca and Mg levels were decreased in the yolk during incubation. K, Ca, Mg, P, Fe, Zn and Mn levels were found to be high in chick bones than those of bones of embryos at 19 days of age. The total embryonic death was found to be high in the fertile eggs of younger breeder group. No differences were observed in fertility, hatchability of fertile and set eggs according to the age of breeders. These data may be useful in designing in‐ovo injections, formulating diets of broiler breeders and broilers and in preventing bone diseases in broilers.

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Section: Introductionmentioning

confidence: 99%

“…development. Researchers(Flis et al, 2019;Richards et al, 2010;Tomaszewska et al, 2017) reported that Zn is a structural component of carbonic anhydrase, which is essential for the function of osteoclasts and it is a key function in the formation of new bone. Also our study showed that this situation did not change according to the breeder age.…”

mentioning

confidence: 99%

Egg mineral levels, hatching results and bone properties in embryos and chicks obtained from broiler breeders at different ages

Varol Avcılar,

Onbaşılar,

Yalçın

et al. 2023

Animal Physiology Nutrition

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Effects of the Marek’s Disease Vaccine on the Performance, Meat Yield, and Incidence of Woody Breast Myopathy in Ross 708 Broilers When Administered Alone or in Conjunction with In ovo and Dietary Supplemental 25-Hydroxycholecalciferol

Fatemi,

Mousstaaid,

Williams

et al. 2024

Animals

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The effects of the Marek’s disease vaccine (MDV) on the live performance, breast meat yield, and incidence of woody breast myopathy (WBM) of Ross 708 broilers were investigated when administered alone or in conjunction with in ovo and dietary supplemental 25-hydroxycholecalciferol (25OHD3). At 18 d of incubation (doi), four in ovo injection treatments were randomly assigned to live embryonated Ross 708 broiler hatching eggs: (1) non-injected; (2) commercial MDV alone; or MDV containing either (3) 1.2 or (4) 2.4 μg of 25OHD3. An Inovoject multi-egg injector was used to inject a 50 μL solution volume into each egg. The birds were provided a commercial diet that contained 250 IU of cholecalciferol/kg of feed (control) or a commercial diet that was supplemented with an additional 2760 IU of 25OHD3/kg of feed (HyD-diet). In the growout period, 14 male broilers were placed in each of 48 floor pens resulting 6 replicated pens per in ovo x dietary treatment combination. Live performance variable were measured at each dietary phases from 0 to 14, 15 to 28, and 29 to 40 d of age (doa). At 14 and 40 doa, pectoralis major (P. major) and pectoralis minor (P. minor) muscles were determined for one bird within each of the six replicate pens. At 41 doa, WBM incidence was determined. No significant main or interaction effects occurred for WBM among the dietary or in ovo injection treatments. However, in response to in ovo 25OHD3 supplementation, BW and BWG in the 29 to 40 doa period and BWG and FCR in the 0 to 40 doa period improved. In addition, at 40 and 41 doa, breast meat yield increased in response to in ovo and dietary 25OHD3 supplementation. Future research is needed to determine the possible reasons that may have been involved in the aforementioned improvements.

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In ovo feeding with 25-hydroxycholecalciferol influences bone mineral density of chicks

Cited by 2 publications

References 20 publications

Egg mineral levels, hatching results and bone properties in embryos and chicks obtained from broiler breeders at different ages

Egg mineral levels, hatching results and bone properties in embryos and chicks obtained from broiler breeders at different ages

Effects of the Marek’s Disease Vaccine on the Performance, Meat Yield, and Incidence of Woody Breast Myopathy in Ross 708 Broilers When Administered Alone or in Conjunction with In ovo and Dietary Supplemental 25-Hydroxycholecalciferol

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