RE: litter size & line breeding

2003-03-18 Thread Nancy Melone
At the beginning of the month, I attended the W Penn Symposium on Genetics ("Small Animal Medical Genetics for the Veterinarian and Breeder"-- N.Mathew Ellinwood, DVM, Ph.D.,Comparative Medical Genetics at U Penn) and Breeding ("Demystifying Canine Ovulation Timing" - Melissa Goodman, DVM, Board Ce

RE: litter size & line breeding

2003-03-18 Thread Rose Tierney
Hi Michaela, Wasn't me! I know of dogs that have been close bred and prolific, a lot has to do with the tendency within the lines that are being concentrated. It is generally thought that to continue to inbreed will affect fertility. Rose T.

Re: litter size & line breeding

2003-03-17 Thread Jeff & Mary Chapdelaine - SnoBear berners
Hi Sherri, Here are a couple of pages that might be of help. The second link explains with horse pedigrees both Wright's equation and Hardiman's method. CompuPed has an inbreeding calculator built into it's software, the first link has a link to compuPed. http://www.netpets.org/dogs/healthspa/dem

Re: litter size & line breeding

2003-03-17 Thread BernerFolk
In a message dated 3/17/2003 9:11:56 AM Eastern Standard Time, [EMAIL PROTECTED] writes: > But it wasn't a relationship between line-breeding and > litter size, rather that smaller litter size is one of the things associated > with in-breeding depression, along with reduced fertility, shorte

Re: litter size & line breeding

2003-03-17 Thread Pat Long
Michaela, It was probably I. But it wasn't a relationship between line-breeding and litter size, rather that smaller litter size is one of the things associated with in-breeding depression, along with reduced fertility, shorter life span, increase in cancers, immune system problems, etc. Pat L

litter size & line breeding

2003-03-17 Thread Michaela Simmons
My breeder and I were chatting on the week-end and, amongst many things, came to the topic "line breeding and litter size". I recall someone posting that the closer the line (in)breeding the smaller the size of the litter. I just can't remember who posted it ( Ruth? Rose? Susan?) or when. Could an