A comparison of a novel time-based summary measure of dairy cow health against cumulative disease frequency

McConnel, Craig S.; McNeil, Ashleigh A.; Hadrich, Joleen C.; Lombard, Jason E.; Heller, Jane; Garry, Franklyn B.

doi:10.1186/s13620-018-0119-z

Irish Veterinary Journal

Table 4 The number of cows that were culled or died by designation and the average DIM at the time of culling or death

From: A comparison of a novel time-based summary measure of dairy cow health against cumulative disease frequency

DISEASE (Dairy 1)	# Culled	Avg DIM cull	DLR¹ (d)	# Died	Avg DIM died	DLD¹ (d)	DALact (d)
Calving trauma	0	N/A	0	18	4	5868	5868
Diarrhea	1	42	288	7	60	1890	2232
Ketosis	0	N/A	0	3	17	939	1067
Lame (hoof only)	25	100	5750	5	39	1455	8740
LDA	14	68	3668	22	43	6314	10,162
Mastitis	109	157	18,857	8	111	1752	23,509
Metritis	0	N/A	0	4	13	1268	2234
Milk Fever	0	N/A	0	3	8	966	991
Musculoskeletal injury (leg, hip, back)	8	115	1720	16	78	4032	5752
Pneumonia	35	94	8260	9	66	2376	11,034
Retained Placenta	0	N/A	0	1	4	326	481
TOTAL categorized by disease above	192	129	38,543	96	47	27,186	72,070
Miscellaneous or unknown disease	123	120	25,830	64	89	15,424	N/A
Economic cull	319	205	N/A	N/A	N/A	N/A	N/A
DISEASE (Dairy 2)	# Culled	Avg DIM cull	DLR¹ (d)	# Died	Avg DIM died	DLD¹ (d)	DALact (d)
Calving trauma	0	N/A	0	17	2	5576	5576
Diarrhea	8	109	1768	4	112	872	2749
Ketosis	0	N/A	0	4	18	1248	1355
Lame (hoof only)	22	146	4048	7	75	1785	8858
LDA	10	40	2900	11	25	3355	6374
Mastitis	84	144	15,624	5	45	1425	19,007
Metritis	2	22	0	4	10	1280	1956
Milk Fever	0	N/A	0	2	3	654	665
Musculoskeletal injury (leg, hip, back)	4	75	1020	19	120	3990	5010
Pneumonia	12	128	2424	17	75	4335	7059
Retained Placenta	0	N/A	0	2	3	654	826
TOTAL categorized by disease above	142	130	27,784	92	56	25,174	59,435
Miscellaneous or unknown disease	55	152	9790	55	82	13,640	N/A
Economic cull	393	157	N/A	N/A	N/A	N/A	N/A
DISEASE (Dairy 3)	# Culled	Avg DIM cull	DLR¹ (d)	# Died	Avg DIM died	DLD¹ (d)	DALact (d)
Calving trauma	0	N/A	0	9	2	2952	2952
Diarrhea	0	N/A	0	11	81	2739	2775
Ketosis	0	N/A	0	4	10	1280	1287
Lame (hoof only)	79	169	12,719	10	127	2030	17,694
LDA	0	N/A	0	11	19	3421	3590
Mastitis	100	136	19,400	8	81	1992	23,955
Metritis	0	N/A	0	10	19	3110	3952
Milk Fever	0	N/A	0	2	5	650	670
Musculoskeletal injury (leg, hip, back)	53	71	13,727	24	87	5832	19,559
Pneumonia	12	158	2064	21	102	4788	7003
Retained Placenta	0	N/A	0	0	N/A	0	191
TOTAL categorized by disease above	244	134	47,910	110	68	28,794	83,628
Miscellaneous or unknown disease	13	135	2535	72	134	14,112	N/A
Economic cull	341	209	N/A	N/A	N/A	N/A	N/A

¹DLR (days lost to removal) and DLD (Days lost to death) based on 13 mo calving interval minus a 60 day dry period.

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ISSN: 2046-0481

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