Vet Letters
The Vet Letters (Veterinary Letters) is an global peer-reviewed journal dedicated to providing to the advancement and dissemination of scientific knowledge concerning veterinary sciences and related academic disciplines. This journal is published four times per year in March, June, September and December) in English. It covers all the scientific and technological aspects of veterinary sciences including, fisheries, poultry, anatomy, histology, physiology, biochemistry, pharmacology, microbiology, virology, pathology, public health, nutrition, parasitology, infectious diseases, clinical sciences, alternative veterinary medicine and other biomedical fields.

Articles in Focus
Title:  Semen Extenders and Artificial Insemination in Ruminants
Author: Fawad Ur Rehman, Chunquo Zhao, Muhammad Ali Shah, Muhammad Subhan Qureshi, Xuemei Wang

Highlights
Artificial insemination is one of the important tools for genetic improvement in modern dairy breeding practices and it is only possible with efficient extender. Extender has a vital role in the preservation of sperm cell and its quality parameters such as viability, motility, acrosome and membrane integrity etc. Semen extenders contain buffering system to maintain pH of the medium (Tris, Sodium Phosphate, Citric acid), cryoshock preservatives (Glycerin, Egg yolk, Soy-lecithin, Milk), provide energy (Fructose) and guarantee the microbial free environment i.e. antibiotics (Streptomycin, Penicillin, Polymixin B). Here, in this review we will focus on the effects of different extender ingredients used for dilution of semen in ruminants to achieve Artificial insemination (AI).

Updates
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First Issue of Science Letters has been published online

Journal of Vaccine Sciences (JVS)
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Journal of Agriculture Environmental Sciences (JAES)
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Editor-in-Chief: Dr. Ishaq Asif
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Articles in Progress

A population based active disease surveillance of mastitis in cattle                                                                                                     Accepted

Semen Extenders and Artificial Insemination in Ruminants                                                                                                                 Accepted

A Short drug trial of Mastitis in cattle                                                                                                                                                Accepted

Effects of Water Quality on Productivity and Performance of Livestock: A Mini Review                                                                  Under Review

Studies on comparative efficacy of various protocol used of medicinal plants suspension on growth performance of broilers chicks     Under Review

      
Prevalence of gastrointestinal parasites in Felis catus                                                                                                                         Accepted

Identification and prevalence of Paramphistomum cervi in naturally infected water buffalos of central Punjab, Pakistan                       Under review

Prevalence of Gastrothylax crumenifer in the gastrointestinal of Bubalus bubalis                                                                                 Under review