Age effect of broiler breeders on fertility and sperm penetration of the perivitelline layer of the ovum

Gumułka, Małgorzata; Kapkowska, E.

doi:10.1016/j.anireprosci.2005.01.018

Cited by 49 publications

(33 citation statements)

References 21 publications

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“…A greater mean number of sequences (63.0) was recorded by the present authors in an earlier study (Gumulka and Kapkowska, 1996). The number of eggs laid in the longest sequence averaged 17.6 ± 2.0 eggs, with one 38-egg sequence being recorded.…”

Section: Resultsmentioning

confidence: 63%

“…The number of eggs laid in the longest sequence averaged 17.6 ± 2.0 eggs, with one 38-egg sequence being recorded. Literature data for the longest sequence in broiler breeder hens range from 13.6 to 27.8 (Robinson et al, 1991b;Gumulka and Kapkowska, 1996;Zuidhof et al, 2007). Hens laid their first egg in a sequence about 3.5 h after the beginning of the photoperiod (Table 1).…”

Section: Resultsmentioning

confidence: 99%

“…Most often, 3-or 4-egg sequences separated by one-day intervals are observed in broiler breeder hens (Gumulka and Kapkowska, 1996;Zuidhof et al, 2007).…”

mentioning

confidence: 99%

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Laying pattern parameters in broiler breeder hens and intrasequence changes in egg composition

Gumułka¹,

Kapkowska²,

Maj³

2010

CZECH J ANIM SCI

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ABSTRACT:The aim of the study was to analyze the pattern of oviposition time in laying sequences in broiler breeder hens and to determine a relationship between egg position in the sequence and egg quality. The sequences were described using mean oviposition time (hour) within a sequence, mean lag of oviposition time between successive ovipositions, and mean and cumulative lag of oviposition for a sequence. Egg weight, percentage of egg components and shape index were determined for successive eggs in a sequence. The 2-, 3-, 4-, 5-to 6-and 7-to 9-egg sequences were considered. The light/dark regime was 16 h/8 h (05:00 a.m. to 09:00 p.m.). Hens laid the first egg in a sequence about 3.5 h after the beginning of the photoperiod. With increasing sequence length, the first egg was laid sooner after the beginning of the photoperiod and the intervals between successive ovipositions shortened. This suggests that when planning the frequency of egg collection in a flock of broiler breeder hens, one should account for changes in the egg sequence length during the production period. No significant relationship between egg position in the sequence and quality of egg components was observed.

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Section: Resultsmentioning

confidence: 63%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Laying pattern parameters in broiler breeder hens and intrasequence changes in egg composition

Gumułka¹,

Kapkowska²,

Maj³

2010

CZECH J ANIM SCI

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“…In commercial laying hens the sequences are long, while in broiler breeders they are mostly short, of 3-4 eggs (Gumulka and Kapkowska 1996). In both types, the laying pattern is similar: the first egg in the sequence is laid in the morning and the last is laid late in the afternoon.…”

Section: Introductionmentioning

confidence: 80%

Effect of hen age, environmental temperature, and oviposition time on egg shell quality and egg shell and serum mineral contents in laying and broiler breeder hens

Tůmová¹,

Gous²,

Tyler³

2014

CZECH J ANIM SCI

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ABSTRACT:The aim of the study was to evaluate egg shell quality characteristics, mineral content in the egg shell, and serum mineral concentration during the egg formation process as influenced by oviposition time and ambient temperature at the beginning and end of the laying cycle in laying hens and broiler breeders. Egg shell quality deteriorated significantly at the higher temperature and was lower in broiler breeders than in laying hens. The Ca (P = 0.047) and P (P = 0.018) contents of the egg shell were significantly higher at the higher temperature. The highest (P = 0.028) shell Ca content (352 g/kg) was in eggs laid in the morning, but the highest P (P = 0.030; 1.43 g/kg) and Mg (P = 0.001; 3.88 g/kg) contents were in eggs laid in the afternoon. Broiler breeder egg shells contained significantly more P (P = 0.004) and Mg (P = 0.001) than did those from laying hens. Serum Ca and P levels remained constant throughout the day whereas serum Mg and Zn levels decreased, the rate of decrease in Zn content being the same in all treatments, but with the amounts being greater in laying hens than broiler breeders. The results demonstrate that shell quality characteristics are more severely affected by different factors implemented in this trial compared to the shell mineral composition and especially compared to the serum mineral content.

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“…According to Wishart (1987), duration of fertility is influenced predominantly by the number of spermatozoa that are accepted into the sperm-host gland postinsemination and the rate at which they are released. It has also been hypothesized that as a hen ages, there is decreased efficiency of sperm storage (Gumulka and Kapkowska, 2005). These factors, combined with resource allocation, may help to explain the initial differences in the LAS and HAS lines and why they did not persist.…”

Section: Fertilitymentioning

confidence: 98%

Reproductive soundness is higher in chickens selected for low as compared with high antibody response

et al. 2012

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White Leghorn chickens were selected for 36 generations for high (HAS) or low (LAS) antibody response to SRBC 5 d after an intravenous challenge. The aim of this study was to investigate possible changes in reproductive soundness resulting from that selection. Age and BW at onset of lay (first egg), along with weight of the first egg, were recorded on 45 hens from each line. Intensity of lay was measured as the number of ovulations within a 15-d period over 15 sequential intervals (total 225 d). Three cycles of fertility also were assessed, coinciding with early, middle, and late production stages. For fertility of males and females within a line to be independently evaluated, roosters and hens were mated by artificial insemination to an unrelated control line of White Plymouth Rocks. Twenty roosters from each antibody line were considered, as well as the 45 hens. Pooled semen from the control line was used for mating the hens from the antibody lines. Hens from the LAS line commenced lay at a younger age (11.67±3.53 d; P<0.001), lighter BW (-169.46±40.20 g; P<0.001), and with greater intensity (2.68±0.25%; P=0.001) than those from the HAS line. Any differences in intensity thereafter were trivial between lines (P=0.42), with intensity decreasing sharply toward the end of the 7-mo production period in both lines. Length of fertility differed between hens of the antibody lines during the first cycle (3.35±0.85 d; P=0.002) and between roosters during the first (3.58±1.06 d; P=0.02) and second (3.38±1.07 d; P=0.03) cycles, with chickens from the LAS line having the longer length of fertility in both sexes. A correlated response in reproductive soundness to divergent selection for antibody response was observed. This may in part be due to differences in resource allocations, with particular impact on duration of fertility.

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Age effect of broiler breeders on fertility and sperm penetration of the perivitelline layer of the ovum

Cited by 49 publications

References 21 publications

Laying pattern parameters in broiler breeder hens and intrasequence changes in egg composition

Laying pattern parameters in broiler breeder hens and intrasequence changes in egg composition

Effect of hen age, environmental temperature, and oviposition time on egg shell quality and egg shell and serum mineral contents in laying and broiler breeder hens

Reproductive soundness is higher in chickens selected for low as compared with high antibody response

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