15/01/2025
PEW (Pink Eye White) guinea pig with black pigments on ears and feet (or present in both) cannot be consider automatically as Himalayan. Baka naman “Dark Lacing” lang ang mga ito. Ang Himilayan ay may unique na katangian at set of genes para matawag itong Homozygous or purebreed.
About Himalayan https://www.facebook.com/403755453693046/posts/1031601830908402/
About PEW https://www.facebook.com/100032782029490/posts/312737283162337/
PEW pup with black pigments on ears or feet or both as a result of self Cream x any self color from red series color (gold, red, saffron, buff, cream and white) pairing is definitely PEW and never magiging Himalayan. But it carries to 2 pairs of “ch” or Himalayan genes but failed to express dahil ito ay hindi inaallow ng “e” gene (gene that blocks black/choco colors) na kung saan ang gene na ito ay normally matatagpuan sa mga red series colors.
The so-called “Dark Lacing” is an indication that your cavy is either black base pigmentation or chocolate base pigmentation mixed with scattered black pigments present all over the body.
Technically, pigments are either eumelanin (black/brown) or phaeomelanin (red/yellow). Experienced cavy savvy identify these possible color base:
black base
lilac base
beige base
slate base
caramel base
chocolate base
A single cavy can be only one of these six “bases” but normally cavy can have both mixed with eumelanin and phaeomelanin, particularly in self color cavy under red/yellow series colors (cream, white, buff etc), thus appearance of “Dark Lacing” exist.
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Usapang Himalayan
Requested by John Pamatian
There are 2 series or row of coat colors:
Black series colors (black, choco, lilac, beige, slate, blue, caramel)
Red or yellow series colors (white, cream, buff, saffron, gold, red)
Ang tinatawag na self color ay gp na may single color in the entire body.
Ang broken color (bi, tri or multiple combination of colors) ay binubuo ng 2 o higit pang colors na nagmula sa combination ng Black at Red series colors.
Ang responsible genes for Black series colors is “E” gene at ito ay dominant genes (to express it, need only one copy of “E” gene from either one of the parents). Also, it allows coat colors from the Black series ONLY (black, choco etc)
Ang responsible genes for Red series colors is “e” gene at ito ay recessive gene (to express it, needs 2 copies of “e” genes from mother and father parents) and allows coat colors from the Red series ONLY (white, cream etc)
Ang responsible gene sa broken colors (multiple combination of coat colors) ay “ep” gene at ito ay recessive (it needs 2 copies from the parents to express it). This gene allows combination of Black series and Red series colors.
In addition, white coat in broken colors is possible due to White Spotting (WS). For further details kindly visit here - https://www.facebook.com/100032782029490/posts/454078655694865/
In breeding Himalayan to other short haired gp the following should be avoided:
1. Broken color with presence of “ep” gene(s).
2. Self color with white colors or presence of “WS” gene(s).
Ang white hair na naproduced ng White Spotting (WS) at “ep” genes ay maaring dahilan ng pagharang o pag-obscure ng Himalayan markings o points at ito ay mangyayari kung ang white hair ay lumabas o makikita sa face, ears and feet. Ang magiging result nito ay “Mismarked” Himalayan points kung saan ang black o choco points (possible lilac at beige Himalayan points) ay hindi buo dahil sa presence ng white hair. Madalas makakakita ka rin ng white nails at foot pads.
Both “ep” at “WS” genes ay pwedeng maipasa sa mga susunod na generation at ito ay magdudulot ng “Mismarked” Himalayan points. Sa unang generation ito ay hindi lalabas but magiging problema in the next generation pup lalo na ang iyong target ay makapagpalabas ng mga Himalayan pup(s). There’s a lot suprises in breeding gp 🤪
Ang “ch” gene o Himalayan gene ay inaalis ang lahat Red series colors coat (turning it to white color) except the extremities part (face, ears and feet) kung saan ang points ay makikita. Ang white hair ay mananatiling white hair at wala ng magagawa ang “ch” gene dito.
Dahil dito ang pinakamabuting ipares sa isang Himalayan ay self black color, walang “ep” and/or “WS” genes. Ito rin ay maaring makaimprove ng color points. Subalit ito ay mahirap malaman kung carrier ng “ep” at “WS” genes ang isang gp at pwede lamang macheck ito sa pamamagitan ng “Test breeding”.
Mahalaga rin tandaan na ang Himalayan x Himalayan breeding pair ay hindi lagi magreresulta ng mga Himalayan pup(s). Technically pwede ito patunayan. Kung ang both parents ay carrier ng “e” or “WS” or ep” genes ito ay magreresulta ng either broken colors, PEW (Pink Eye White) o self color mula sa Red series color na may mga white hairs.
also, worth to read
https://www.facebook.com/403755453693046/posts/1029236744478244/
https://www.facebook.com/100032782029490/posts/457246598711404/
Knowledge is Power!
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“When it comes to happy and healthy Guinea Pigs, PREVENTION IS BETTER THAN CURE”
Pls. like my fb page, Guinevere wheeking cavies.
https://www.facebook.com/Guinevere-wheeking-cavies-403755453693046
