[PDF][PDF] Genetic study of fertility traits and productive in a local born Friesian cattle in Egypt
AS Khattab, H Atil - Pakistan Journal of Biological Sciences, 1999 - academia.edu
A total 1481 first lactation records of local born Friesian heifers were collected from Sakha
Farm, Animal Production Research Institue, Ministry of Agriculture, during the period from …
Farm, Animal Production Research Institue, Ministry of Agriculture, during the period from …
Repeatability of productive traits in Egyptian buffaloes.
AA Ashmawy - 1991 - cabidigitallibrary.org
Least-squares analyses of 3418 lactation records of 989 Egyptian buffaloes showed that
season, yr of calving and parity had significant effects on total milk yield (TMY) and …
season, yr of calving and parity had significant effects on total milk yield (TMY) and …
Siyah Alaca sığırların 305 günlük süt verimine vücut kondisyon puanı ve bazı çevre faktörlerinin etkisi
E Yaylak, S Kumlu - Ege Üniversitesi Ziraat Fakültesi Dergisi, 2005 - dergipark.org.tr
Summary The Effects of Body Condition Score and Some Environmental Factors on 305-
Day Milk Yield of Holstein Cows The aim of this study was to determine effects of some fix …
Day Milk Yield of Holstein Cows The aim of this study was to determine effects of some fix …
[PDF][PDF] Associação genética, fenotípica e de ambiente entre medidas de eficiência reprodutiva e produção de leite na raça Holandesa.
MVGB da Silva, JAG Bergmann, ML Martinez… - 1998 - sbz.org.br
Utilizando-se o método da Máxima Verossimilhança Restrita e o algoritmo Livre de
Derivadas sob modelos animais, foram estimados parâmetros genéticos para as …
Derivadas sob modelos animais, foram estimados parâmetros genéticos para as …
Genetic relationship between days open and days dry with milk yield in a herd of Holstein Friesian cattle
H Atil - Archives Animal Breeding, 2000 - aab.copernicus.org
A total of 2897 lactation records of Holstein Friesian cattle from the fields of Dena Farm in
Egypt from 1987 to 1993 were used to study relationships of days open and days dry with …
Egypt from 1987 to 1993 were used to study relationships of days open and days dry with …
[PDF][PDF] Lifetime production and longevity of Holstein Friesian cows in relation to their sire transmitting ability
H Atil, AS Khattab - Pakistan J. Biological Sci, 1999 - academia.edu
A total of 193 Holstein Friesian cows sired by 39 bulls at Dena farm in Egypt, during the
period from 1987 to 1991 were used to estimate phenotypic and genetic parameters of …
period from 1987 to 1991 were used to estimate phenotypic and genetic parameters of …
Fatores de variação e parâmetros genéticos dos períodos de serviço e seco em bovinos da raça holandês no Estado de Minas Gerais
IG Pereira, TM Gonçalves, AIG Oliveira… - Revista Brasileira de …, 2000 - SciELO Brasil
Objetivou-se com o presente estudo avaliar o efeito de alguns fatores de meio sobre as
características período de serviço (PSER) e período seco (PS), bem como estimar …
características período de serviço (PSER) e período seco (PS), bem como estimar …
[HTML][HTML] Factores genéticos y ambientales que afectan el comportamiento productivo de un rebaño pardo suizo en el trópico: 2. Intervalo entre partos y su relación con …
G Pérez Quintero, M Gómez Gil - Revista Científica, 2009 - ve.scielo.org
Con el objeto de evaluar los efectos genéticos y ambientales sobre el intervalo entre partos
(IEP) y su relación con la producción de leche ajustada a 305 días (PL305) en un rebaño …
(IEP) y su relación con la producción de leche ajustada a 305 días (PL305) en un rebaño …
The effect of lactation number on milk production and reproduction in Holstein cows
M ÖZÇELİK, R ARPACIK - Turkish Journal of Veterinary & …, 2000 - journals.tubitak.gov.tr
This study was carried out to investigate the effect of lactation number on milk production
and reproduction. Data on milk and reproductive traits in the first five lactations of Holstein …
and reproduction. Data on milk and reproductive traits in the first five lactations of Holstein …
Relationship between milk production and current calving interval in Belgian Black and White breed1
N Kafidi, P Leroy, C Michaux… - Journal of Animal …, 1992 - Wiley Online Library
Summary 93,737 first lactations of Belgian dairy cows (Black & White Breed) calving
between 1976 and 1988 were studied. All the effects of the linear mixed model were …
between 1976 and 1988 were studied. All the effects of the linear mixed model were …