Prevalence and Risk Factors of Clinical Mastitis in Holstein Cows under Subtropical Egyptian Conditions [PDF]
The current study was built on 1015 dairy records of Holstein Friesian cows, aimed to determine the prevalence and risk factors of clinical mastitis (CM).
Eman Kamel +4 more
doaj +1 more source
Association of prolactin, interleukin-8 genes polymorphism and the incidence of some diseases with milk production traits in Holstein-Friesian Cows [PDF]
The present study was conducted to identify the association between prolactin, interleukin-8 genes polymorphism and their effects on hormonal concentration, milk yield and composition traits in Holstein-Friesian cows. Sixty-four Holstein-Friesian milking
Salwa Shalan +2 more
doaj +1 more source
Effect of Layer Breeds on the Productivity and Profitability of Layer Farms under Egyptian Condition [PDF]
This study was carried out during the period extended from the year 2019 to the year 2021 on four-layer breeds (Lohmann (LB), ISA Brown, Hy-Line W-36, and Hy-Line Brown) of the layer farms in EL-Menofia governorate, the data were collected from the ...
Zienab Hamdy, Amira Abd-El hamed
doaj +1 more source
Application of Linear Discriminant Model to Evaluate the Association Between Milk Production, Reproductive Performance, and Calving Season in Dairy Cattle [PDF]
This study was aimed to determine the performance of linear discriminant analysis (LDA) for differentiation between seasons of calving on the basis of305day- milk yield, fat %, protein %, days open (DO), days to first insemination (DFI), and number of ...
fardos Hassan +2 more
doaj +1 more source
Background Bluetongue (BT) is a disease of concern to animal breeders, so the question on their minds is whether they can predict the risk of the disease before it occurs.
Hagar F. Gouda +3 more
doaj +1 more source
Multivariable binary logistic regression model to predict risk factors of peste des petits ruminants in goat and sheep [PDF]
Peste des petits ruminants (PPR) highly contagious illness that affects domestic and wild small ruminants, causing significant economic losses. The goal of this study was to use a multivariable logistic regression model to determine risk factors for PPR.
Abdelrahman A. Sobeih +4 more
doaj +1 more source
The effect of retained placenta on the reproductive performance and its economic losses in a Holstein dairy herd [PDF]
Retention of placenta (RP) is a failure of the fetal membrane to be expelled and remained from 8 to 48 hours, average 12 hours after parturition. There are a variety of risk factors for the occurrence of RP.
Eman R. Kamel +2 more
doaj +1 more source
Effect of Some Non-Genetic Factors on 305-day Milk Yield and Lactation Persistency in Holstein Friesian Cows [PDF]
This study was performed on productive data collected from private farm of Holstein Friesian cows. The objective of this study was to evaluate the effect of days in milk (DIM), peak milk yield (PMY), dry period (DP), calving interval (CI), parity, and ...
Hadeel El-Qaliouby +3 more
doaj +1 more source
Gangrenous mastitis in dromedary camels in UAE caused by Streptococcus agalactiae
Background Mastitis is a disease of economic concern that affects dairy industry worldwide. This study aimed to investigate and identify possible etiologies encountered in an episode of acute gangrenous mastitis in lactating she-camels in Al Dhafra ...
El Tigani Ahmed El Tigani-Asil +8 more
doaj +1 more source
Effect of Some Dietary Supplementation on Economic efficiency of growing Japanese Quails [PDF]
This work was conducted to study the effect of sun dried tomato pomace (SDTP) with or without enzymes supplementation economic efficiency of Japanese quail. A total number of 306 seven- days-old quail chicks were used.
Sanad Atallah +3 more
doaj +1 more source

