Related by context. All words. (Click for frequent words.) 61 Masai giraffe 57 reticulated giraffe 56 Western lowland gorilla 55 lowland gorilla 54 bacterial septicemia 54 Masai giraffes 54 giant panda Mei Xiang 54 bongo antelope 53 cub Hua Mei 53 Shenga 53 Malayan tapir 53 addax 53 elephant herpesvirus 52 Septicaemia 52 Grevy zebra 52 Western lowland gorillas 52 giant panda Lun Lun 52 Rothschild giraffe 52 jaguar cubs 51 Grevy zebras 51 Cranbeary 51 rhino calves 51 investigates dismembered giraffe 51 western lowland gorilla 51 red ruffed lemur 51 pygmy hippopotamus 51 Sriracha Tiger 51 Kambula 51 bantengs 50 parvo virus 50 Tuvaq 50 patas monkey 50 Morefu 50 domestic shorthaired cat 50 Zoo euthanizes 50 giant anteater 50 distemper virus 50 tee YEN 50 Giraffa camelopardalis 49 Ava Worthington died 49 lion cubs born 49 newborn cub 49 spokeswoman Lora LaMarca 49 Rothschild Giraffe 49 Goeldi monkey 49 Western Lowland gorilla 49 rhino calf 49 Quan Quan 49 beluga calf 49 white lion cubs 49 Lun Lun LOON LOON 49 Gezi 49 Thong Dee 49 biliary atresia rare 49 Francois langurs 49 Umande 49 guenon 49 colobus monkey 49 Indochinese tiger 48 Turkish Angora 48 clouded leopard cubs 48 undulant fever 48 giant panda Ling Ling 48 Ben Cunneen 48 euthanatized 48 dolphin calves 48 Baird tapir 48 Amur tiger cubs 48 klebsiella 48 Heeler mix 48 Tolstoukhov 48 zoo veterinarian 48 leopard cub 48 septicemic plague 48 contagious bacterial infection 48 stillborn calf 48 Cheetah cubs 48 mother Porntip 48 acute viral infection 48 cub Xi Lan 48 tiger mauled 48 horses donkeys mules 47 coccidia 47 white ruffed lemurs 47 heterosexually acquired 47 Affie 47 flamingo chicks 47 director Ton Dorrestijn 47 scimitar horned oryx 47 feline leukemia virus 47 Sumatran orangutan 47 Mazurchak 47 peripartum cardiomyopathy 47 psittacosis 47 named Montecore 47 beloved giant panda 47 perforated uterus 47 Colobus monkey 47 red panda cubs 47 emaciated dehydrated 47 Hohenwald Tennessee 47 artificially inseminated Lun Lun 47 Ashlee Pfaff 47 West Nile neuroinvasive 47 rheas 47 Beloved polar bear 47 Utah Hogle Zoo 47 mandrill 47 Geochelone 47 Baby Fae 47 leopard cubs 47 Amur leopard 46 giraffe 46 Bornean orangutan 46 spokesman Steve Mannina 46 marmoset monkeys 46 cub Tai Shan 46 ingested rat poison 46 Creutzfeld Jakob disease 46 Nubian goat 46 YAHNG 46 Bactrian camel 46 accidental heroin overdose 46 ruptured aortic aneurysm 46 sloth bear 46 Western Lowland Gorilla 46 Dulary 46 Neutered male 46 haemolytic uraemic syndrome HUS 46 fatally mauls zookeeper 46 avian pox 46 African serval 46 Komodo dragons hatched 46 amebic 46 Parvo virus 46 elephants 46 sarcoptic mange 46 Shetland ponies goats sheep 46 diaphragmatic hernia 46 may SHONG 46 bison calves 46 Legionella pneumonia 46 Yadira Galindo spokeswoman 46 Mjukuu 46 leopard tortoise 46 Shar pei 46 endangered subspecies 46 cryptococcal meningitis 46 spokeswoman Sondra Katzen 46 domestic shorthair cat 46 okapi 46 severely underweight 46 pygmy marmoset 46 Kitabu 46 kelpie cross 46 panda Tian Tian 46 Shar Pei mix 46 mammary cancer 46 squirrel monkeys 46 Humboldt penguins 45 Bunna Lawrie 45 pygmy hippo 45 short haired calico 45 hemangiosarcoma 45 lowland gorillas 45 owl monkey 45 golden lion tamarin 45 tigers mauled zookeeper 45 heeler mix 45 Tom Stalf 45 binturong 45 banteng 45 spectacled bears 45 male Gao Gao 45 Yang Yang YAHNG 45 blood splattered cot 45 zoo 45 Grey parrot 45 Sydney Taronga Zoo 45 noncontagious disease 45 Tinkerbelle 45 penguin chick 45 foal sired 45 bronchial pneumonia 45 Siberian tiger cubs 45 fennec fox 45 Sri Racha Tiger 45 meningoencephalitis 45 Panton Valentine Leukocidin PVL 45 barbiturate overdose 45 yearling cubs 45 scabby mouth 45 Tian Tian tee 45 ate rat poison 45 spokeswoman Gigi Allianic 45 baby beluga 45 giant tortoise 45 Changsha Zoo 45 Brucellosis causes 45 spectacled bear 45 canine distemper virus 45 Western Lowland gorillas 45 Necropsy results 45 Chantelle Stedman 45 miniature donkey 45 necropsied 45 reticulated giraffes 45 An endangered Sumatran 45 camels llamas 45 mammoths mastodons saber tooth 45 spokeswoman Christan Baumer 45 marmosets 45 albino wallaby 45 Chilean flamingo 45 Muke 45 Trainer Dawn Brancheau 45 hippos 45 spurred tortoise 45 Preliminary necropsy 45 Luisa Kuznetsova 45 artificial inseminations 45 male silverback gorilla 45 Patagonian cavy 45 Amur leopards 45 captive elephants 44 Mei Xiang hormone 44 condor chicks 44 Equine herpesvirus 44 Point Defiance Zoo 44 pygmy goat 44 Xi Lan 44 Mauyak 44 euthanised 44 Sumatran Orangutan 44 rhinoceros 44 director Greg Bockheim 44 rough toothed 44 Atlantic blacktip shark 44 Giant panda cub 44 mucormycosis 44 Alipore zoo 44 Labrador Retriever mix 44 Dokkoon 44 macaque monkey 44 spayed vaccinated microchipped 44 giant anteaters 44 father Tian Tian 44 ingesting antifreeze 44 emperor tamarin 44 phthalate syndrome 44 liger cubs 44 mammal curator 44 inseminated 44 mandrills 44 gray parrot 44 Binti Jua 44 pregnant mares 44 zebra foal 44 Shi Tzu 44 Captive bred 44 Malayan tiger 44 vaccinated dewormed 44 broncho pneumonia 44 mauled zookeeper 44 maned wolves 44 Nigerian Dwarf 44 caracals 44 domestic shorthair 44 perforated intestine 44 pachyderm 44 Variant CJD 44 Topeka Zoo 44 adder bite 44 hantavirus pulmonary syndrome 44 rottweiler mix 44 malnourished dehydrated 44 ear mites 44 Gaboon viper 44 tubal pregnancy 44 chlamydiosis 44 Kushiro Municipal Zoo 44 snow leopard cubs 44 Nonja 44 newborn cubs 44 enteric fever 44 puff adders 44 Cheetah Outreach 44 Karanastasis 44 Viva la Musica 44 Mei Sheng male 44 littermate 44 Barbary lion 44 Siberian tiger cub 44 buffalo calves 44 grossly underweight 44 feline panleukopenia 44 reverse vasectomy 44 red ruffed lemurs 44 chicks hatched 44 Rhodesian Ridgeback 44 Xuang Xuang 44 Humboldt penguin 44 euthanized 44 hanta virus 44 dolphins washed ashore 44 siamangs 44 tamarin 44 Madilyn Grace 43 erysipelas 43 Feline Immunodeficiency Virus 43 Rugendo 43 Canine Influenza 43 lymphocytic choriomeningitis virus 43 ocelot kitten 43 YEN tee 43 Nile hippopotamus 43 LOS ANGELES ZOO 43 contracted spinal meningitis 43 Pygmy hippos 43 Babygirl 43 bulbar polio 43 Sumatran orangutan believed 43 contracted meningitis 43 marmoset monkey 43 heartworms 43 guanacos 43 white colobus monkeys 43 Brookfield Zoo 43 Pygmy goats 43 Dalu Mncube 43 soupfin sharks 43 Aboriginal whale whisperer 43 Cawarral stud 43 toed sloths 43 spokesman Zoltan Hanga 43 Spaniel mix 43 Wisconsin Veterinary Diagnostic 43 dilute calico 43 Hryhoryev 43 Taiping Zoo 43 Puiji 43 Auckland Starship 43 pygmy chimpanzees 43 Thomas Dörflein 43 Maltese poodle mix 43 Parvo Virus 43 Watusi cattle 43 partial skeleton 43 Malayan sun 43 silverbacks 43 Niteroi Zoo 43 panther cubs 43 panda cub born 43 red tailed boa 43 bacteria campylobacter 43 Hua Zui Ba 43 Tufani 43 Grey Parrot 43 savagely mauled 43 Atlantic bottlenose 43 Cango Wildlife Ranch 43 collie mix 43 Allwetter Zoo 43 Goeldi monkeys 43 Hazina 43 Rothschild giraffes 43 AZA zoos 43 ligers 43 panleukopenia 43 rhinos hippos 43 Blair Mase 43 cub Knut 43 bearded dragon lizards 43 Necropsy 43 spokeswoman Amy McWethy 43 euthanise 43 severely undernourished 43 Sandy Herold 43 onagers 43 Mogo Zoo 43 Zoo 43 chick hatched 43 Biliary Atresia 43 akita 43 twisted bowel 43 Amur tiger cub 43 Hilschinz 43 mangabeys 43 oryx 43 Pridelands 43 Sumampouw 43 leopardess 43 spokeswoman Kara Bussabarger 43 tiger cubs 42 rhinos 42 rhino 42 ruptured diaphragm 42 torti 42 chow mix 42 hippo 42 Pneumonia diarrhea 42 Rottweiler puppies 42 tainted blood transfusion 42 Sharon McConough 42 Erica Ysasaga 42 Koala Knockabout 42 brutally mauled 42 albino alligators 42 Black footed ferrets 42 ridgeback cross 42 Zoo giraffe 42 toxemia 42 western lowland gorillas 42 Romanian Adriana Iliescu 42 Kimberly Nizato 42 giraffe Kashka 42 spiny anteater 42 artificially inseminated 42 rare Sumatran tiger 42 spontaneously aborted 42 red colobus 42 female Siberian tiger 42 Africam Safari 42 gibbon ape 42 Bengal tiger cubs 42 neuroinvasive form 42 albino gorilla 42 LaToyia Figueroa 42 serval 42 director Rich Buickerood 42 perforated colon 42 Beckwith Wiedemann syndrome 42 Fu Ni 42 neurona 42 pit bulls mauled 42 Nilgai 42 Matschie tree kangaroo 42 Onderstepoort Veterinary Institute 42 Grizzly cubs 42 pit bull mauled 42 Shuan Shuan 42 sulcata tortoise 42 Bornean sun 42 rhino buffalo 42 fatally gored 42 rare Siberian tigers 42 piglets lambs 42 severely emaciated 42 Beijing Jiangong Hospital 42 dangerously dehydrated 42 Headless Horseman Parade 42 corgi mix 42 ruptured uterus 42 neutered vaccinated microchipped 42 Sumatran tigers 42 Indochinese tigers 42 emergency caesarian section 42 Outbreak Kills 42 striped hyena 42 Monyetta 42 Qannik 42 Omaha Henry Doorly 42 Shellay Ward 42 Creutzfeldt Jacob 42 Atlantic bottlenose dolphin 42 Sheltie mix 42 elephant enclosure 42 Grey Parrots 42 hendra virus 42 elephants lions tigers 42 contagious equine metritis 42 veterinary pathologist 42 honey badgers 42 Stephanie Yarber 42 shelter euthanizes 42 lion tailed macaque 42 nicknamed Sticky 42 castrated males 42 Border collie mix 42 Amali 42 orangutans chimpanzees 42 legless amphibian 42 lion cubs 42 director Pat Lampi 42 captive gorillas 42 gorillas orangutans 42 equine piroplasmosis 42 Brent Kandra 42 Laura Trandel 42 Siberian Amur 42 Dachshund mix 42 director Gregg Dancho 42 Sumatran orangutans 42 Labrador retriever mix 42 herpesvirus 42 Sumatran rhino 42 Adoptable cats 42 Kipunji 42 littermates 42 DiGeorge syndrome rare 42 spayed microchipped 42 Thabile 42 holoprosencephaly 42 cheetahs 42 dehydrated malnourished 42 Going bananasNappy wearing 42 boer goats 42 Banham Zoo 42 Spindles Farm 42 Bactrian camels 42 mastiff mix 41 lawyer Robert Golger 41 zebu cattle 41 Lakhvinder Lucky Cheema 41 hydrocephaly 41 miniature pincher 41 Elephant Sanctuary 41 Variant Creutzfeldt Jakob 41 contracted bacterial meningitis 41 itch mite 41 yersinia 41 Riverbanks 41 shitzu 41 Levaughn Washum Garrison 41 mother Mei Xiang 41 abscessed 41 leptospirosis bacterial disease 41 panic Dovi 41 zebras camels 41 daughter Analla 41 Hepatitis E 41 tiger rattlesnake 41 Koola 41 Ramses II mummy 41 Rieches 41 endangered clouded leopard 41 Panthera pardus 41 Chimpanzee Sanctuary 41 albino alligator 41 Aldabra tortoise 41 Anaplasma 41 imperforate anus 41 baboon 41 experimentally infected 41 contracted viral meningitis 41 Woyah 41 rottweiller 41 Olivedale Clinic 41 clouded leopard 41 Przewalski horse 41 Port Lympne Wild 41 condor chick 41 antibiotic resistant E. coli 41 Rangel kidded 41 Apert syndrome 41 dirty cramped cages 41 Anaplasmosis 41 zookeepers 41 bearded dragon lizard 41 blackbucks 41 Gao Gao 41 distended stomach 41 golden langur 41 caracal 41 gorilla enclosure 41 Thembi Seete 41 faecal samples 41 turtles iguanas 41 panda cubs 41 Sumatran tiger cub 41 panda Bai Yun 41 Variant Creutzfeldt Jakob Disease 41 Isabella Koupparis 41 Panda cubs 41 orphaned cubs 41 dehorned 41 ingested antifreeze 41 Ndeze 41 Tai Shan pronounced 41 Cecile Emilie Marie 41 malaria dysentery 41 Miami MetroZoo 41 frozen embryos implanted 41 Siberian tiger escaped 41 Elephant Encounter 41 Zahara adopted 41 carbapenem resistant Klebsiella pneumoniae 41 golden lion tamarins 41 Luk Chai 41 Molly Thornberg 41 Sumatran elephant 41 endangered Siberian tigers 41 Africam Safari Park 41 lion Panthera leo 41 Sumatran orang utan 41 girlfriend Chantelle Steadman 41 silverback 41 quarterhorse 41 Nguni cattle 41 orange tabbies 41 Andean condor 41 tan German shepherd 41 pygmy hippos 41 Rhodesian Ridgeback mix 41 hippopotamuses 41 rabies distemper 41 liger 41 Sharpei 41 Japanese macaque 41 capuchin monkey 41 Patterdale terrier 41 female domestic shorthair 41 brucella 41 tortoiseshell cat 41 Domestic Shorthair 41 un neutered 41 border collie puppy 41 Fresno Chaffee Zoo 41 twins Sisi 41 Svitlana Berzina 41 keeper Dalu Mncube 41 Colobus monkeys 41 Canine influenza 41 okapi tracks 41 chlamydia sexually transmitted 41 orangutans tigers 41 Boston Terrier 41 Primatologists 41 beluga whale calf 41 spontaneous abortions 41 feline distemper 41 unneutered dogs 41 Amaya Josephine 41 riverine rabbit 41 tuataras 41 Bhateri Devi 41 Parvovirus 41 Harlow Olivia Calliope 41 Giant Panda stuns 41 mother Darlene Haynes 41 Block Fen 41 Barbary macaques 41 long necked sauropods 41 Pygmy Hippo 41 elephants leopards 41 Cleveland Metroparks Zoo 41 humanely euthanized 41 caretaker Brent Kandra 41 Kibale National 41 English bull terrier 41 virulent H#N# bird flu 41 penguin chicks 41 tasmanian devil 41 Polio spreads 41 Bokito 41 Siberian tigers 41 python snakes 41 Golden Lion Tamarin 41 Rashbrook 41 H Pylori 41 sylvatic plague 41 melamine ingestion 41 Mattea Angel 41 peritonitis 41 overbreeding 41 Sungai Dusun 41 Vicenta Pages 41 Guldbech 41 Kath Bright 41 acquire genital HPV 41 Henry Vilas 41 dwarf sperm whale 41 Stardust Circus 41 suffered cerebral haemorrhage 41 klebsiella outbreak 41 Spokanimal 41 RainForest 41 necropsy 41 overgrown hooves 41 LaCrosse encephalitis 41 Surabaya Zoo 40 miniature Pinscher 40 Thaao 40 blue tongued skink 40 Zoo keepers 40 capture myopathy 40 Eastern tent caterpillars 40 Enoch Tshepo 40 Nonkululeko 40 mangabey monkey 40 Andre Schuele 40 dated Petcka 40 Bairnsdale ulcer 40 male domestic shorthair 40 ovulated 40 marmoset 40 illusionist Roy 40 Chilean flamingos 40 zookeeper Ashlee Pfaff 40 snow leopard cub 40 pal Keke 40 dromedary camel 40 lymphogranuloma venereum 40 methicillin resistant staph infections 40 cria 40 Bluebell Madonna 40 congenital disorder 40 transplanted lynx 40 German shepherd mix 40 puff adder 40 fennec foxes 40 giraffes 40 aye ayes 40 Bornean orangutans 40 Chandler Grafner 40 Galapagos tortoise 40 foals 40 Dionne quintuplets Annette 40 Distemper 40 chromosomal defect 40 grizzly bear cubs 40 Hypoplastic Left Heart 40 Judy Berens 40 Aldabra tortoises 40 Kiffian hunted wild 40 female brown tabby 40 Cane Corso 40 bonobos chimpanzees 40 Tonny Sumampouw 40 Ice Age beasts 40 husky mix 40 Crimean Congo haemorrhagic fever 40 Meningococcal Meningitis 40 Myfanwy Marshall 40 squirrel monkey 40 polydactylism 40 Bartonella henselae 40 Hogle Zoo 40 Painda Khan 40 coati 40 Elisabeth Lawaczeck 40 Pomeranian puppies 40 amniotic fluid embolism 40 Mhinga 40 A. ramidus 40 Tiqa 40 SanWild 40 gray seal pup 40 son Saul Presa 40 foal 40 Tusko 40 artificially inseminate 40 Barbary macaque 40 canine parvovirus 40 Vietnamese potbellied pig 40 lymphocytic choriomeningitis 40 Hantavirus Pulmonary Syndrome 40 Taronga 40 fur matted 40 euthanasing 40 nonreleasable 40 Kou Kou 40 great apes chimpanzees 40 Sariska tiger reserve 40 yearling cub 40 paralytic polio 40 chimps gorillas 40 Yoshio Yamaguchi head 40 chimpanzees 40 tigers panthers 40 duckbilled dinosaurs 40 Amur tiger 40 hemolytic disease 40 Beastly Ball 40 chimpanzee enclosure 40 domestic longhair 40 impala 40 Zumer Ahmed 40 Borrelia 40 BSPCA 40 Scottish terrier puppy 40 bull mastiff cross 40 bottlenose 40 Brahman bull 40 pug puppy 40 tigress 40 species Australopithecus afarensis 40 later Stuttgart Wilhelma 40 gorillas 40 Chhatbir zoo 40 Amur tigers 40 Hollywild 40 pygmy hogs 40 distemper vaccines 40 Manuel Mollinedo 40 parvovirus outbreak 40 * Minouche 40 serratia 40 Crouzon Syndrome 40 Auckland Starship Children 40 pups 40 lop eared rabbit 40 beagle mix 40 pitbull puppy 40 bullmastiffs 40 Luke Cenkus 40 siamang 40 nyala 40 include Ndoki Forest 40 tapir 40 Gervais beaked whale 40 staffie 40 Mopie 40 Tori Vienneau 40 musth 40 aunt Effie Patillo 40 bearded dragon 40 Sumatran tiger 40 nutritionist Ellen Dierenfeld 40 glanders 40 Amillia Sonja Taylor 40 miscarried 40 pygmy goats 40 Ntombi 40 Sumatran rhinoceros 40 Sambar deer 40 Asvestas 40 abnormal pap smear 40 hominid species 40 ACVIM 40 Pongo pygmaeus 40 macaroni penguin 40 dengue haemorrhagic fever DHF 40 malnourishment 40 Ebola Reston 40 Przewalski horse named 40 cub Flocke 40 red colobus monkeys 40 Kihansi spray toad 40 anamensis 40 botched circumcision 40 Melinda Merman 40 potbelly pig 40 Rottweiler mix 40 contracted herpes 40 Keisha Hines 40 Marmosets 40 Staffordshire Bull Terrier 40 Janie Melsek 40 drinking unpasteurised milk 40 shepherd husky mix 40 praised Mollinedo 40 endangered marsupials 40 Askhams 40 umbilical cord attached 40 weighed 6lb #oz 40 endangered rhinos 40 oryxes 40 Hedengrans 40 cutaneous anthrax 40 Sydney Taronga 40 beaked whale 40 Jameila 40 Dvur Kralove 40 contagious bovine 40 great apes gorillas 40 pet Pansy calico 40 Safari Zoological 40 Tahani Mahomed 40 PGD PGS 40 Chihuahua Isabella 40 wattled cranes 40 S. neurona 40 Royal Bengal tigers 40 lion enclosure 40 Jao Chu 40 bacterium infects 40 Oldest gorilla 40 Kune Kune pigs 40 de Capovilla 40 saiga antelopes 40 Bao Bao 39 causes diarrhea cramping 39 badger cubs 39 rhinos giraffes 39 Ringling Brothers circus 39 cubs 39 cairn terrier 39 Western Lowland Gorillas 39 Ringling Bros. Circus 39 Mei Xiang 39 H5NI strain 39 Nandankanan zoo 39 hip dysplasia 39 gray tabby 39 guinea pigs rabbits 39 sheltie mix 39 Primarily Primates 39 silky terrier 39 tigresses 39 Rebecca Toone 39 pomeranian 39 Adoptable puppies 39 contracting herpes virus 39 Amillia 39 ruptured bowel 39 Hangzhou Zhangxu Animal 39 Anim Mates 39 Mustafakulova 39 euthanased 39 Palm Beach Equine Clinic 39 macaroni penguins 39 Species Survival Plan 39 Pit bull kills 39 Tamara Tulip 39 influenza AH#N# 39 intrapartum 39 DiGeorge syndrome 39 western lowland 39 Doberman puppy 39 Cloudin 39 mother Fortunate Adem 39 Beerwah Queensland 39 campylobacter jejuni 39 Dartmoor ponies 39 Poopsie 39 Mei Sheng 39 Martin Haulena 39 colobus monkeys 39 Director Randy Wisthoff 39 Zoocheck 39 Zealand kunekune pigs 39 basenji 39 zebra 39 miniature poodle 39 hyacinth macaw 39 chimps 39 De Brazza 39 umbrella cockatoo 39 Masombuka 39 Makanaka 39 mangabey 39 Arletta Bendschneider 39 Kerry Gladish biologist 39 shar pei mix 39 hippopotamus 39 Porchia Bennett 39 Zahara Marley 39 zookeeper Lori Komejan 39 ingested methadone 39 elephants zebras 39 tiger cub 39 rabbits hamsters 39 elephant rhinoceros 39 Tonkin snub nosed 39 fox Belknap 39 Hepatitis C Viral 39 Hollywild Animal Park 39 spotted hyena 39 Orana Wildlife Park 39 anencephaly 39 spokeswoman Yadira Galindo 39 old Ambrocio Analco 39 shipped chopped peanuts 39 Doberman mix 39 bushbuck 39 pit bull mauling 39 lungworm 39 Ling Ling 39 Mfanzile 39 FIV FeLV 39 Risso dolphin 39 albino Burmese python 39 Canine distemper 39 rotovirus 39 kept bedside vigil 39 Psittacosaurus 39 Tembe Elephant Park 39 unneutered male 39 ruptured ectopic pregnancy 39 Macho B 39 severely mauled 39 giant panda cub 39 maintained bedside vigil 39 echidna 39 hippopotami 39 Persian leopard 39 Wayside Waifs 39 Bannerghatta Biological Park 39 polecats 39 Edward Gierlach 39 joeys 39 bushbabies 39 elk calves 39 Shaiunna 39 oldest captive Bornean 39 canine influenza 39 otter pup 39 Nandankanan