Petite raterie familiale qui privilégie le bien-être et la santé de ces rats. Principalement du rex silverman en dumbo et standard
Rattery
✓
LJR – Les Joyeux Rats
Information
| Owner | Scratchy |
|---|---|
| Founded in | 2013 |
| Country | France |
| Localization | Vosges |
| Zip Code | 88000 |
| Website | Not Available |
About
Statistics
Breeding statistics
| Breeding activity period | 2023–2025 (2 years, 2 months) |
|---|
| Declared litters | 7 litters, 65 pups |
|---|---|
| ⨽ internal (born in the rattery) | ⨽ 7 litters, 65 pups |
| ⨽ external (other contributed litters) | ⨽ 0 litter, no pup |
| All rat records | 61 rats |
|---|---|
| ⨽ females | ⨽ 31 females (50.8 %) |
| ⨽ males | ⨽ 30 males (49.2 %) |
Litter statistics
| Average mother age | 218 days (7.1 months) |
|---|---|
| Average father age | 391 days (12.8 months) |
| Average litter size | 9.3 pups per litter |
| Average sex ratio | 0.968 (about 1 female for 1 male) |
Lifespan statistics
| Bred rats recorded as deceased | 14 rats (23 % of recorded bred rats) |
|---|---|
| ⨽ declared with known date | ⨽ 14 rats (100 %) |
| ⨽ presumed dead | ⨽ No rat (0 %) |
| Average lifespan of bred rats | 8.1 months (♀: 7.6 months – ♂: 8.5 months) |
|---|---|
| ⨽ infant mortality excluded | ⨽ 21.7 months (♀: 25.4 months – ♂: 19.2 months) |
| ⨽ accidents excluded | ⨽ 25.4 months (♀: 25.4 months – ♂: 25.4 months) |
| Oldest bred rat | LJR Blackpearl (deceased at 2 years, 5 months, 28 days) |
|---|
Death causes statistics
| Primary death causes by decreasing frequency |
|---|
|
64.29 %
|
Infant mortality (up to 6 week old) |
|---|---|
|
14.29 %
|
Old age, natural death (from 24 month old minimum) |
|
7.14 %
|
Neurological (brain, spinal cords, nerves) |
|
7.14 %
|
Accidents, traumas, poisonings |
|
7.14 %
|
Unknown cause |
| Secondary death causes by decreasing frequency |
|---|
|
42.86 %
|
Lack of milk |
|---|---|
|
21.43 %
|
Other infant mortality cause |
|
14.29 %
|
*Old age, natural death (from 24 month old minimum) |
|
7.14 %
|
Stroke |
|
7.14 %
|
Domestic accident (crush, door...) |
|
7.14 %
|
Undetermined cause (known date) |
— Created on 14/03/2023 by Scratchy. Last modified on 26/01/2025.
Related entries
Last contributed litters
| State | Birth date | Dam | Sire | Size |
|---|---|---|---|---|
| ✓ | 26/03/2025 | DPR Eva | LJR Björn | 17 |
| ✓ | 18/01/2025 | DPR Eva | LJR Blackpearl | 4 |
| ✓ | 05/12/2024 | IND Duchesse | LJR Blackpearl | 13 |
| ✓ | 03/12/2024 | IND Avoine | LJR Blackpearl | 3 |
| ♺ | 05/07/2024 | IND Témari | LJR Blackpearl | 11 |
| ✓ | 17/06/2024 | IND Duchesse | LJR Blackpearl | 15 |
| ✓ | 09/06/2024 | IND Avoine | IND Damon | 7 |
| ♺ | 01/05/2023 | LJR Lagertha | IND Dustin | 11 |
| ✓ | 20/01/2023 | IND Milka | IND Milk-Shake | 6 |
Recently modified rats
| State | Identifier | Name | Birth | Age | Death cause | Sex |
|---|---|---|---|---|---|---|
| ✓ | LJR59959F | Pétunia | 09/06/2024 | 18 mo | – alive – | ♀ |
| ✓ | LJR59815M | Blackpearl † | 01/05/2023 | 30 mo | Old age, natural death | ♂ |
| ✓ | LJR61306F | Demon Slayer | 26/03/2025 | 8 mo | – alive – | ♀ |
| ✓ | LJR60945M | Shikamaru | 18/01/2025 | 11 mo | – alive – | ♂ |
| ✓ | LJR60894M | Björn | 05/12/2024 | 12 mo | – alive – | ♂ |
| ✓ | LJR61304F | Death Note | 26/03/2025 | 8 mo | – alive – | ♀ |
| ✓ | LJR61300M | One piece | 26/03/2025 | 8 mo | – alive – | ♂ |
| ✓ | LJR61302M | Dragon Ball | 26/03/2025 | 8 mo | – alive – | ♂ |
| ✓ | LJR61301M | Hunter Hunter | 26/03/2025 | 8 mo | – alive – | ♂ |
| ✓ | LJR57693F | Lagertha † | 20/01/2023 | 27 mo | Old age, natural death | ♀ |
