Effect of eggshell temperature and oxygen concentration during incubation on the developmental and physiological status of broiler hatchlings in the perinatal period

Molenaar, R.; Anker, I. van den; Meíjerhof, R.; Kemp, B.; Brand, H. van den

doi:10.3382/ps.2010-00684

Cited by 45 publications

(48 citation statements)

References 38 publications

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“…It must be mentioned that heart hypoplasia may cause cardiac deficit and compromise chick development, resulting in the emergence of ascites during the grow-out period. Moreover, embryos derived from eggs incubated at the high temperature presented lower utilization of the yolk sac, as previously observed by Molenaar et al (2011), who obtained heavier yolk sacs in hatchlings from eggs incubated at 38.9ºC. This indicates lower chick quality and results in higher mortality during the first week due to yolk sac infections.…”

Section: Effects Of Ascorbic Acid Injection In Incubated Eggs Submittsupporting

confidence: 61%

Effects of Ascorbic Acid Injection in Incubated Eggs Submitted to Heat Stress on Incubation Parameters and Chick Quality

Sgavioli

Júnior

Borges

et al. 2015

Rev. Bras. Cienc. Avic.

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Dose-dependent positive effects on hatchability and hatchling weight have been attributed to ascorbic acid (AA) when eggs were submitted or not to intermittent heat stress during incubation. Fertile breeder (Cobb®) eggs were used to determine if the pre-incubation injection of AA in ovo affects the incubation and hatchling quality of egg incubated under thermoneutral or intermittent heat stress conditions. Eggs were not injected or injected with 0, 2,4, or 6% AA/100µL water and incubated at continuous thermoneutral (37.5ºC) or hot (39.0ºC) temperature. Eggshell temperature (EST) increased in the second half of the incubation period in all experimental groups. The EST of non-injected eggs and of those injected with water was higher when incubated at 39°C than at 37.5°C, but EST was not different among eggs injected with AA. Egg mass loss and eggshell conductance were higher in the eggs incubated at 39°C than at 37.5°C.Hatchability was lower in the eggs injected with AA. Liver and yolk sac weights were higher, whereas heart and liver weights were lower in hatchlings from eggs incubated at 39°C; however, hatchling weight was not affected by incubation temperature. The results showed that AA doses affected egg conductive heat loss and hatchability, and that they did not minimize the effects of high incubation temperature on liver and heart development.

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Section: Effects Of Ascorbic Acid Injection In Incubated Eggs Submittsupporting

confidence: 61%

Effects of Ascorbic Acid Injection in Incubated Eggs Submitted to Heat Stress on Incubation Parameters and Chick Quality

Sgavioli

Júnior

Borges

et al. 2015

Rev. Bras. Cienc. Avic.

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“…By contrast, various experiments indicated that chicks hatched in incubation systems managed with high EST exhibited lower yolk-free body mass at hatching (Leksrisompong et al, 2007;Lourens et al, 2007;Molenaar et al, 2010a;Molenaar et al, 2011;Shim and Pesti, 2011). The differences between these results may be due to other factors in addition to temperature, such as the interaction with batches of eggs with different ages that were incubated inside the machine.…”

Section: Resultscontrasting

confidence: 40%

Effect of incubation system on the development of intestinal villi, metabolism, and performance of one- to forty-day-old broiler chickens

et al. 2016

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-An experiment was performed to evaluate the effect of the incubation system -multiple-stage (MS) and single-stage (SS) -on the characteristics at hatching, intestinal morphology, metabolism, and performance of Cobb-500 chickens from 1 to 40 d of age. A total of 1,968 fertile eggs were incubated in two setters under commercial conditions. Birds hatched in SS were longer than those hatched in MS, and the females had higher relative intestinal weight compared with males. However, at hatching, there were no differences in BW and yolk-free body mass from incubation system or sex. In the period from 1-40 d, the birds hatched in SS were heavier, had higher weight gain and better adjusted feed conversion, without differences in feed intake and feed conversion. This result is due mainly to MS females, which always, although in some periods only numerically, exhibited worse responses than the other treatment, lowering the average MS bird performance. Sex influenced the duodenal villi height in chickens at 0 d; females showed larger villi than males. Moreover, the birds hatched in SS had deeper crypts than those hatched in MS. At 7 d, because males had higher feed intake, the differences in duodenal villi height found at hatching disappeared, leaving only a gender effect on jejunum crypt depth: females showed deeper crypts. As regards the metabolism coefficients of nutrients from 5 to 7 d, females were more efficient in metabolizing energy and showed higher apparent metabolizable energy corrected for nitrogen values than males, with no differences caused by the incubation system. The best incubation conditions are obtained with the single-stage system, based on the improved broiler performance (2.98%), especially in the females (5.04%).

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“…There are several studies on the effects of high incubation temperatures on in-ovo development (Wineland et al, 2000;Lekrisompong et al, 2007;Lourens et al, 2007;Molenaar et al, 2011) and on the in-ovo injection of ascorbic acid (Zakaria & Al-Anezi, 1996;Ghonim et al, 2009;Mohammed et al, 2011;Nowaczewski et al, 2012) in broilers. However, there are no studies on the in-ovo injection ascorbic acid and the subsequent submission of the eggs to heat stress during incubation.…”

Section: Introductionmentioning

confidence: 99%

Effect of In-Ovo Ascorbic Acid Injection on the Bone Development of Broiler Chickens Submitted to Heat Stress During Incubation and Rearing

Sgavioli

Domingues

Santos

et al. 2016

Rev. Bras. Cienc. Avic.

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Ash, mineral density, femoral bone strength, tibia, vitamin C. ABSTRACTThis experiment was conducted to evaluate the effect of in-ovo ascorbic acid (AA) injection on the bone development of broilers submitted to heat stress during incubation and rearing. One thousand (1,000) Cobb ® fertile broiler eggs were randomly distributed according to the weight into five incubators, with 200 eggs per incubator. The incubation treatments were: eggs not injected with AA and incubated at 37.5°C; eggs not injected with AA and incubated at 39°C; and eggs injected with 6 µg AA/100 µL water prior to incubation and incubated at 39ºC. The hatched birds were reared at three different house temperatures: cold, thermoneutral, or and hot. The high incubation temperature negatively influenced broilers' bone characteristics. The femur of the birds hatched from eggs incubated at 39°C and injected with AA presented lower shaft mineral density, lower maximum force and lower elongation at maximum force. Their tibia presented reduced mineral density at the proximal and distal epiphysis. In-ovo AA injection of eggs incubated at high temperature did not minimize the negative effects of high rearing temperature on the performance andbone development of broiler chickens reared until 42 days of age.

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Effect of eggshell temperature and oxygen concentration during incubation on the developmental and physiological status of broiler hatchlings in the perinatal period

Cited by 45 publications

References 38 publications

Effects of Ascorbic Acid Injection in Incubated Eggs Submitted to Heat Stress on Incubation Parameters and Chick Quality

Effects of Ascorbic Acid Injection in Incubated Eggs Submitted to Heat Stress on Incubation Parameters and Chick Quality

Effect of incubation system on the development of intestinal villi, metabolism, and performance of one- to forty-day-old broiler chickens

Effect of In-Ovo Ascorbic Acid Injection on the Bone Development of Broiler Chickens Submitted to Heat Stress During Incubation and Rearing

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