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| Description
| - We investigated 3985 individually housed hens of five initial laying lines of two breeds, RIR and BPR. The proportion of abnormal eggs out of the eggs laid before the age of 240 days ranged between 7.0% and 9.7%, in dependence on the line. The average number of cracked eggs ranged between 2.5% and 4.4%, double-yolk eggs between 2.2% and 3.0% and shell-less eggs between 2.0% and 2.7%. The correlation between the number of eggs laid at the beginning of the laying period and during the entire period, and the frequency of double-yolk eggs was positive (rp = 0.00 to rp = 0.21) and mostly statistically highly significant (P<0.01). On the other hand, statistically highly significant negative correlations (P<0.01) were found between the number of eggs laid during the entire period and the frequency of cracked eggs, where the correlations in the individual lines ranged between rp = -0.04 and rp = -0.23. Positive correlations, mostly statistically highly significant (P<0.01), were found between the number of eg
- We investigated 3985 individually housed hens of five initial laying lines of two breeds, RIR and BPR. The proportion of abnormal eggs out of the eggs laid before the age of 240 days ranged between 7.0% and 9.7%, in dependence on the line. The average number of cracked eggs ranged between 2.5% and 4.4%, double-yolk eggs between 2.2% and 3.0% and shell-less eggs between 2.0% and 2.7%. The correlation between the number of eggs laid at the beginning of the laying period and during the entire period, and the frequency of double-yolk eggs was positive (rp = 0.00 to rp = 0.21) and mostly statistically highly significant (P<0.01). On the other hand, statistically highly significant negative correlations (P<0.01) were found between the number of eggs laid during the entire period and the frequency of cracked eggs, where the correlations in the individual lines ranged between rp = -0.04 and rp = -0.23. Positive correlations, mostly statistically highly significant (P<0.01), were found between the number of eg (en)
- Sledování probíhalo u 3985 individuálně ustájených slepic pěti výchozích snáškových linií dvou plemen RIR a BPR. Zastoupení abnormálních vajec z vajec snesených do věku 240 dnů se pohybovalo u jednotlivých linií od 7.0% do 9.7%. Průměrný počet vajec křapů se pohyboval u linií v rozpětí od 2.5% do 4.4%, dvoužloutkových vajec od 2.2% do 3.0% a vajec bez skořápky od 2.0% do 2.7%. Mezi počtem snesených vajec na počátku snášky a v celém sledovaném období a frekvencí výskytu dvoužloutkových vajec byla zjištěna kladná závislost (rp = 0.00 až rp = 0.21), většinou statisticky vysoce průkazná (P<0.01). Naopak negativní závislosti, statisticky vysoce průkazné (P<0.01), byly vypočteny mezi počtem snesených vajec za celé sledované období a frekvencí výskytu vajec křapů, kde se vypočtené korelace u jednotlivých linií pohybovaly v rozpětí rp = -0.04 až rp = -0.23. Kladné korelace, většinou statisticky vysoce průkazné (P<0.01), byly zjištěny mezi počtem snesených vajec za celé sledované období a frekvencí výsky (cs)
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| Title
| - Defektní vejce a jejich vztah ke snášce, hmotnosti vajec a těla u slepic pěti výchozích snáškových linií (cs)
- JEŘÁBEK, S., ZATLOUKAL, M., STRAKOVÁ, E.: Defective eggs and their relationship to egg yield, weight of eggs and body of hens of five initial laying lines. Czech J. Anim. Sci., 49, 2004, 51 -- 57
- JEŘÁBEK, S., ZATLOUKAL, M., STRAKOVÁ, E.: Defective eggs and their relationship to egg yield, weight of eggs and body of hens of five initial laying lines. Czech J. Anim. Sci., 49, 2004, 51 -- 57 (en)
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| skos:prefLabel
| - Defektní vejce a jejich vztah ke snášce, hmotnosti vajec a těla u slepic pěti výchozích snáškových linií (cs)
- JEŘÁBEK, S., ZATLOUKAL, M., STRAKOVÁ, E.: Defective eggs and their relationship to egg yield, weight of eggs and body of hens of five initial laying lines. Czech J. Anim. Sci., 49, 2004, 51 -- 57
- JEŘÁBEK, S., ZATLOUKAL, M., STRAKOVÁ, E.: Defective eggs and their relationship to egg yield, weight of eggs and body of hens of five initial laying lines. Czech J. Anim. Sci., 49, 2004, 51 -- 57 (en)
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| skos:notation
| - RIV/62156489:43210/04:00000892!RIV/2005/MSM/432105/N
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/62156489:43210/04:00000892
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - body weight;cracked eggs;double-yolk eggs;egg weight;egg yield;hens;shell-less eggs (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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