Výsledky vyhledávání

Effect of Temperature and Feeding Time on Shell Thickness

Autor: Blanco,OA, Chaora,SN, Tyler,NC, Ciacciariello,M

Publikováno v: Brazilian Journal of Poultry Science, Volume: 24, Issue: 2, Article number: eRBCA-2021-1556, Published: 22 APR 2022
Brazilian Journal of Poultry Science v.24 n.2 2022
Brazilian Journal of Poultry Science
Fundação APINCO de Ciência e Tecnologia Avícolas (FACTA)
instacron:FACTA

The objective of this study was to assess the effect of ambient temperature (T) and feeding time (FT) on eggshell thickness (ST) and egg weight (EW) of broiler breeder hens. Thirty 44-week-old Ross 308 broiler breeder hens were randomly distributed i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6ac967398b24af74fbd24bf2d429b16c
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2022000200313&lng=en&tlng=en

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The effect of constant photoperiod on testis weight and the use of comb area to predict testis weights in broiler breeders males

Autor: Tyler, NC, Gous, RM

Publikováno v: South African Journal of Animal Science, Volume: 38, Issue: 2, Pages: 153-158, Published: FEB 2008
South African Journal of Animal Science; Vol 38, No 2 (2008); 153-158

From the literature, it is evident that broiler breeder pullets exhibit photorefractoriness, and while it is assumed that male broiler breeders respond in a similar manner to females, it would be beneficial to determine if this is the case. This woul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::7027b41befc0549f0235ffb9ee32955e
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0375-15892008000200009&lng=en&tlng=en

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Akademický článek

Research Note: The effect of crude protein and calcium intake on fertility of male broiler breeders.

Autor: Tyler NC; Animal and Poultry Science, School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, P. Bag X54001, Durban, 4000, South Africa. Electronic address: tyler@ukzn.ac.za., Namntu M; Animal and Poultry Science, School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, P. Bag X54001, Durban, 4000, South Africa., Ciacciariello M; Animal and Poultry Science, School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, P. Bag X54001, Durban, 4000, South Africa.

Publikováno v: Poultry science [Poult Sci] 2021 Sep; Vol. 100 (9), pp. 101284. Date of Electronic Publication: 2021 May 27.

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Akademický článek

Selection for early response to photostimulation in broiler breeders.

Autor: Tyler NC; Animal and Poultry Science, University of KwaZulu-Natal, Pietermaritzburg, South Africa. tyler@uk.zn.ac.za, Gous RM

Publikováno v: British poultry science [Br Poult Sci] 2011 Aug; Vol. 52 (4), pp. 517-22.

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Akademický článek

Reproductive status in broiler breeder males is minimally affected by a mid-cycle increase in photoperiod.

Autor: Tyler NC; Animal and Poultry Science, University of KwaZulu-Natal, Pietermaritzburg, South Africa. tyler@ukzn.ac.za, Lewis PD, Gous RM

Publikováno v: British poultry science [Br Poult Sci] 2011 Feb; Vol. 52 (1), pp. 140-5.

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Akademický článek

Photoperiodic response curves for plasma LH concentrations and age at first egg in female broiler breeders.

Autor: Lewis PD; Animal and Poultry Science, University of KwaZulu-Natal, Pietermaritzburg, South Africa. northcot.7hg@dsl.pipex.com, Tyler NC, Gous RM, Dunn IC, Sharp PJ

Publikováno v: Animal reproduction science [Anim Reprod Sci] 2008 Dec; Vol. 109 (1-4), pp. 274-86. Date of Electronic Publication: 2008 Mar 10.

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